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@Override public Set<Long> keySet() { return keySet; }
The load factor for the map. Used to calculate {@link #maxSize}.
keySet
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
@Override public Set<Entry<Long, V>> entrySet() { return entrySet; }
The load factor for the map. Used to calculate {@link #maxSize}.
entrySet
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
private long objectToKey(Object key) { return (long) ((Long) key).longValue(); }
The load factor for the map. Used to calculate {@link #maxSize}.
objectToKey
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
private int indexOf(long key) { int startIndex = hashIndex(key); int index = startIndex; for (;;) { if (values[index] == null) { // It's available, so no chance that this value exists anywhere in the map. return -1; } if (key == keys[index]) { return index; } // Conflict, keep probing...
Locates the index for the given key. This method probes using double hashing. @param key the key for an entry in the map. @return the index where the key was found, or {@code -1} if no entry is found for that key.
indexOf
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
private int hashIndex(long key) { // The array lengths are always a power of two, so we can use a bitmask to stay inside the array bounds. return hashCode(key) & mask; }
Returns the hashed index for the given key.
hashIndex
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
private static int hashCode(long key) { return (int) (key ^ (key >>> 32)); }
Returns the hash code for the key.
hashCode
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
private int probeNext(int index) { // The array lengths are always a power of two, so we can use a bitmask to stay inside the array bounds. return (index + 1) & mask; }
Get the next sequential index after {@code index} and wraps if necessary.
probeNext
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
private void growSize() { size++; if (size > maxSize) { if (keys.length == Integer.MAX_VALUE) { throw new IllegalStateException("Max capacity reached at size=" + size); } // Double the capacity. rehash(keys.length << 1); } }
Grows the map size after an insertion. If necessary, performs a rehash of the map.
growSize
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
private boolean removeAt(final int index) { --size; // Clearing the key is not strictly necessary (for GC like in a regular collection), // but recommended for security. The memory location is still fresh in the cache anyway. keys[index] = 0; values[index] = null; // In the interval from index to the next ...
Removes entry at the given index position. Also performs opportunistic, incremental rehashing if necessary to not break conflict chains. @param index the index position of the element to remove. @return {@code true} if the next item was moved back. {@code false} otherwise.
removeAt
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
private int calcMaxSize(int capacity) { // Clip the upper bound so that there will always be at least one available slot. int upperBound = capacity - 1; return Math.min(upperBound, (int) (capacity * loadFactor)); }
Calculates the maximum size allowed before rehashing.
calcMaxSize
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
private void rehash(int newCapacity) { long[] oldKeys = keys; V[] oldVals = values; keys = new long[newCapacity]; @SuppressWarnings({ "unchecked", "SuspiciousArrayCast" }) V[] temp = (V[]) new Object[newCapacity]; values = temp; maxSize = calcMaxSize(newCapacity); mask = newCapacity - 1; // Insert ...
Rehashes the map for the given capacity. @param newCapacity the new capacity for the map.
rehash
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
@Override public String toString() { if (isEmpty()) { return "{}"; } StringBuilder sb = new StringBuilder(4 * size); sb.append('{'); boolean first = true; for (int i = 0; i < values.length; ++i) { V value = values[i]; if (value != null) { if (!first) { sb.append(", "); } sb.append...
Rehashes the map for the given capacity. @param newCapacity the new capacity for the map.
toString
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
protected String keyToString(long key) { return Long.toString(key); }
Helper method called by {@link #toString()} in order to convert a single map key into a string. This is protected to allow subclasses to override the appearance of a given key.
keyToString
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
@Override public Iterator<Entry<Long, V>> iterator() { return new MapIterator(); }
Set implementation for iterating over the entries of the map.
iterator
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
@Override public int size() { return LongObjectHashMap.this.size(); }
Set implementation for iterating over the entries of the map.
size
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
@Override public int size() { return LongObjectHashMap.this.size(); }
Set implementation for iterating over the keys.
size
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
@Override public boolean contains(Object o) { return LongObjectHashMap.this.containsKey(o); }
Set implementation for iterating over the keys.
contains
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
@Override public boolean remove(Object o) { return LongObjectHashMap.this.remove(o) != null; }
Set implementation for iterating over the keys.
remove
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
@Override public boolean retainAll(Collection<?> retainedKeys) { boolean changed = false; for (Iterator<PrimitiveEntry<V>> iter = entries().iterator(); iter.hasNext();) { PrimitiveEntry<V> entry = iter.next(); if (!retainedKeys.contains(entry.key())) { changed = true; iter.remove(); } }...
Set implementation for iterating over the keys.
retainAll
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
@Override public void clear() { LongObjectHashMap.this.clear(); }
Set implementation for iterating over the keys.
clear
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
@Override public Iterator<Long> iterator() { return new Iterator<Long>() { private final Iterator<Entry<Long, V>> iter = entrySet.iterator(); @Override public boolean hasNext() { return iter.hasNext(); } @Override public Long next() { return iter.next().getKey(); } @Ove...
Set implementation for iterating over the keys.
iterator
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
@Override public boolean hasNext() { return iter.hasNext(); }
Set implementation for iterating over the keys.
hasNext
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
@Override public Long next() { return iter.next().getKey(); }
Set implementation for iterating over the keys.
next
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
@Override public void remove() { iter.remove(); }
Set implementation for iterating over the keys.
remove
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
@Override public boolean hasNext() { return iter.hasNext(); }
Iterator used by the {@link Map} interface.
hasNext
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
@Override public Entry<Long, V> next() { if (!hasNext()) { throw new NoSuchElementException(); } iter.next(); return new MapEntry(iter.entryIndex); }
Iterator used by the {@link Map} interface.
next
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/collection/type/primitive/LongObjectHashMap.java
Apache-2.0
public void add(long x) { Cell[] as; long b, v; int[] hc; Cell a; int n; if ((as = cells) != null || !casBase(b = base, b + x)) { boolean uncontended = true; if ((hc = threadHashCode.get()) == null || as == null || (n = as.length) < 1 || (a = as[(n...
Adds the given value. @param x the value to add
add
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/LongAdder.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/LongAdder.java
Apache-2.0
public long sum() { long sum = base; Cell[] as = cells; if (as != null) { int n = as.length; for (int i = 0; i < n; ++i) { Cell a = as[i]; if (a != null) sum += a.value; } } return sum; }
Returns the current sum. The returned value is <em>NOT</em> an atomic snapshot; invocation in the absence of concurrent updates returns an accurate result, but concurrent updates that occur while the sum is being calculated might not be incorporated. @return the sum
sum
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/LongAdder.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/LongAdder.java
Apache-2.0
public long sumThenReset() { long sum = base; Cell[] as = cells; base = 0L; if (as != null) { int n = as.length; for (int i = 0; i < n; ++i) { Cell a = as[i]; if (a != null) { sum += a.value; ...
Equivalent in effect to {@link #sum} followed by {@link #reset}. This method may apply for example during quiescent points between multithreaded computations. If there are updates concurrent with this method, the returned value is <em>not</em> guaranteed to be the final value occurring before the reset. @return the s...
sumThenReset
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/LongAdder.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/LongAdder.java
Apache-2.0
public String toString() { return Long.toString(sum()); }
Returns the String representation of the {@link #sum}. @return the String representation of the {@link #sum}
toString
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/LongAdder.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/LongAdder.java
Apache-2.0
public long longValue() { return sum(); }
Equivalent to {@link #sum}. @return the sum
longValue
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/LongAdder.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/LongAdder.java
Apache-2.0
final boolean cas(long cmp, long val) { return UNSAFE.compareAndSwapLong(this, valueOffset, cmp, val); }
Padded variant of AtomicLong supporting only raw accesses plus CAS. The value field is placed between pads, hoping that the JVM doesn't reorder them. JVM intrinsics note: It would be possible to use a release-only form of CAS here, if it were provided.
cas
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/Striped64.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/Striped64.java
Apache-2.0
final boolean casBusy() { return UNSAFE.compareAndSwapInt(this, busyOffset, 0, 1); }
CASes the busy field from 0 to 1 to acquire lock.
casBusy
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/Striped64.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/Striped64.java
Apache-2.0
final void retryUpdate(long x, int[] hc, boolean wasUncontended) { int h; if (hc == null) { threadHashCode.set(hc = new int[1]); // Initialize randomly int r = rng.nextInt(); // Avoid zero to allow xorShift rehash h = hc[0] = (r == 0) ? 1 : r; } else ...
Handles cases of updates involving initialization, resizing, creating new Cells, and/or contention. See above for explanation. This method suffers the usual non-modularity problems of optimistic retry code, relying on rechecked sets of reads. @param x the value @param hc the hash code holder @param wasUncontended fals...
retryUpdate
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/Striped64.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/Striped64.java
Apache-2.0
final void internalReset(long initialValue) { Cell[] as = cells; base = initialValue; if (as != null) { int n = as.length; for (int i = 0; i < n; ++i) { Cell a = as[i]; if (a != null) a.value = initialValue; ...
Sets base and all cells to the given value.
internalReset
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/Striped64.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/Striped64.java
Apache-2.0
private static sun.misc.Unsafe getUnsafe() { try { return sun.misc.Unsafe.getUnsafe(); } catch (SecurityException tryReflectionInstead) {} try { return java.security.AccessController.doPrivileged (new java.security.PrivilegedExceptionAction<sun.misc.Unsafe>() ...
Returns a sun.misc.Unsafe. Suitable for use in a 3rd party package. Replace with a simple call to Unsafe.getUnsafe when integrating into a jdk. @return a sun.misc.Unsafe
getUnsafe
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/Striped64.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/Striped64.java
Apache-2.0
public sun.misc.Unsafe run() throws Exception { Class<sun.misc.Unsafe> k = sun.misc.Unsafe.class; for (java.lang.reflect.Field f : k.getDeclaredFields()) { f.setAccessible(true); Object x = f.get(null); if (k...
Returns a sun.misc.Unsafe. Suitable for use in a 3rd party package. Replace with a simple call to Unsafe.getUnsafe when integrating into a jdk. @return a sun.misc.Unsafe
run
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/Striped64.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/jsr166e/Striped64.java
Apache-2.0
public void execute(Runnable command, long timeout, TimeUnit unit) { submittedCount.incrementAndGet(); try { super.execute(command); } catch (RejectedExecutionException rx) { // NOSONAR // not to re-throw this exception because this is only used to find out whether the pool is full, not for a // exceptio...
Executes the given command at some time in the future. The command may execute in a new thread, in a pooled thread, or in the calling thread, at the discretion of the <tt>Executor</tt> implementation. If no threads are available, it will be added to the work queue. If the work queue is full, the system will wait for th...
execute
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/threadpool/QueuableCachedThreadPool.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/concurrent/threadpool/QueuableCachedThreadPool.java
Apache-2.0
@Override public Writer append(final char value) { builder.append(value); return this; }
Appends a single character to this Writer. @param value The character to append @return This writer instance
append
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
Apache-2.0
@Override public Writer append(final CharSequence value) { builder.append(value); return this; }
Appends a character sequence to this Writer. @param value The character to append @return This writer instance
append
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
Apache-2.0
@Override public Writer append(final CharSequence value, final int start, final int end) { builder.append(value, start, end); return this; }
Appends a portion of a character sequence to the {@link StringBuilder}. @param value The character to append @param start The index of the first character @param end The index of the last character + 1 @return This writer instance
append
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
Apache-2.0
@Override public void close() { // no-op }
Closing this writer has no effect.
close
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
Apache-2.0
@Override public void flush() { // no-op }
Flushing this writer has no effect.
flush
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
Apache-2.0
@Override public void write(final String value) { if (value != null) { builder.append(value); } }
Writes a String to the {@link StringBuilder}. @param value The value to write
write
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
Apache-2.0
@Override public void write(final char[] value, final int offset, final int length) { if (value != null) { builder.append(value, offset, length); } }
Writes a portion of a character array to the {@link StringBuilder}. @param value The value to write @param offset The index of the first character @param length The number of characters to write
write
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
Apache-2.0
public StringBuilder getBuilder() { return builder; }
Returns the underlying builder. @return The underlying builder
getBuilder
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
Apache-2.0
@Override public String toString() { return builder.toString(); }
Returns {@link StringBuilder#toString()}. @return The contents of the String builder.
toString
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/io/type/StringBuilderWriter.java
Apache-2.0
public double toBytes(final long input) { double bytes; switch (this) { case BYTES: bytes = input; break; case KILOBYTES: bytes = input * BYTES_PER_KILOBYTE; break; case MEGABYTES: bytes = input * BYTES_PER_KILOBYTE * KILOBYTES_PER_MEGABYTE; break; case GIGABYTES: bytes = input * BYTES_...
Returns the number of bytes corresponding to the provided input for a particular unit of memory. @param input Number of units of memory. @return Number of bytes corresponding to the provided number of particular memory units.
toBytes
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/number/SizeUnit.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/number/SizeUnit.java
Apache-2.0
public double toKiloBytes(final long input) { double kilobytes; switch (this) { case BYTES: kilobytes = input / BYTES_PER_KILOBYTE; break; case KILOBYTES: kilobytes = input; break; case MEGABYTES: kilobytes = input * KILOBYTES_PER_MEGABYTE; break; case GIGABYTES: kilobytes = input * KIL...
Returns the number of kilobytes corresponding to the provided input for a particular unit of memory. @param input Number of units of memory. @return Number of kilobytes corresponding to the provided number of particular memory units.
toKiloBytes
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/number/SizeUnit.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/number/SizeUnit.java
Apache-2.0
public double toMegaBytes(final long input) { double megabytes; switch (this) { case BYTES: megabytes = input / BYTES_PER_KILOBYTE / KILOBYTES_PER_MEGABYTE; break; case KILOBYTES: megabytes = input / KILOBYTES_PER_MEGABYTE; break; case MEGABYTES: megabytes = input; break; case GIGABYTES: ...
Returns the number of megabytes corresponding to the provided input for a particular unit of memory. @param input Number of units of memory. @return Number of megabytes corresponding to the provided number of particular memory units.
toMegaBytes
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/number/SizeUnit.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/number/SizeUnit.java
Apache-2.0
public double toGigaBytes(final long input) { double gigabytes; switch (this) { case BYTES: gigabytes = input / BYTES_PER_KILOBYTE / KILOBYTES_PER_MEGABYTE / MEGABYTES_PER_GIGABYTE; break; case KILOBYTES: gigabytes = input / KILOBYTES_PER_MEGABYTE / MEGABYTES_PER_GIGABYTE; break; case MEGABYTES: ...
Returns the number of gigabytes corresponding to the provided input for a particular unit of memory. @param input Number of units of memory. @return Number of gigabytes corresponding to the provided number of particular memory units.
toGigaBytes
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/number/SizeUnit.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/number/SizeUnit.java
Apache-2.0
public static String[] fromCsvString(String line) { List<String> row = new ArrayList<String>(); boolean inQuotedField = false; int fieldStart = 0; final int len = line.length(); for (int i = 0; i < len; i++) { char c = line.charAt(i); if (c == FIELD_SEPARATOR) { if (!inQuotedField) { // ignore we ...
Converts CSV line to string array.
fromCsvString
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/text/CsvUtil.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/text/CsvUtil.java
Apache-2.0
private static void addField(List<String> row, String line, int startIndex, int endIndex, boolean inQuoted) { String field = line.substring(startIndex, endIndex); if (inQuoted) { field = StringUtils.replace(field, DOUBLE_QUOTE, "\""); } row.add(field); }
Converts CSV line to string array.
addField
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/text/CsvUtil.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/text/CsvUtil.java
Apache-2.0
public static boolean match(CharSequence string, CharSequence pattern) { return match(string, pattern, 0, 0); }
Checks whether a string matches a given wildcard pattern. @param string input string @param pattern pattern to match @return <code>true</code> if string matches the pattern, otherwise <code>false</code>
match
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/text/WildcardMatcher.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/text/WildcardMatcher.java
Apache-2.0
public static int matchOne(String src, String... patterns) { for (int i = 0; i < patterns.length; i++) { if (match(src, patterns[i])) { return i; } } return -1; }
Matches string to at least one pattern. Returns index of matched pattern, or <code>-1</code> otherwise. @see #match(CharSequence, CharSequence)
matchOne
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/text/WildcardMatcher.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/text/WildcardMatcher.java
Apache-2.0
public static int matchPathOne(String platformDependentPath, String... patterns) { for (int i = 0; i < patterns.length; i++) { if (matchPath(platformDependentPath, patterns[i])) { return i; } } return -1; }
Matches path to at least one pattern. Returns index of matched pattern or <code>-1</code> otherwise. @see #matchPath(String, String, char)
matchPathOne
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/text/WildcardMatcher.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/text/WildcardMatcher.java
Apache-2.0
public static boolean matchPath(String path, String pattern) { List<String> pathElements = PATH_SPLITTER.splitToList(path); List<String> patternElements = PATH_SPLITTER.splitToList(pattern); return matchTokens(pathElements.toArray(new String[0]), patternElements.toArray(new String[0])); }
Matches path against pattern using *, ? and ** wildcards. Both path and the pattern are tokenized on path separators (both \ and /). '**' represents deep tree wildcard, as in Ant. The separator should match the corresponding path
matchPath
java
DarLiner/vjtools
vjkit/src/main/java/com/vip/vjtools/vjkit/text/WildcardMatcher.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/main/java/com/vip/vjtools/vjkit/text/WildcardMatcher.java
Apache-2.0
@Test public void testIsSubClassOrInterfaceOf() { assertTrue("TestBean should be subclass of ParentBean", ClassUtil.isSubClassOrInterfaceOf(BClass.class, AClass.class)); assertTrue("BInterface should be subinterface of AInterface", ClassUtil.isSubClassOrInterfaceOf(BInterface.class, AInterface.class)); a...
Unit test case of {@link com.vip.vjtools.vjkit.reflect.ClassUtil#isSubClassOrInterfaceOf(Class, Class)}
testIsSubClassOrInterfaceOf
java
DarLiner/vjtools
vjkit/src/test/java/com/vip/vjtools/vjkit/reflect/ClassUtilTest.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/test/java/com/vip/vjtools/vjkit/reflect/ClassUtilTest.java
Apache-2.0
@FAnnotation public void hello4(int i) { }
Unit test case of {@link com.vip.vjtools.vjkit.reflect.ClassUtil#isSubClassOrInterfaceOf(Class, Class)}
hello4
java
DarLiner/vjtools
vjkit/src/test/java/com/vip/vjtools/vjkit/reflect/ClassUtilTest.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/test/java/com/vip/vjtools/vjkit/reflect/ClassUtilTest.java
Apache-2.0
@FAnnotation protected void hello5(int i) { }
Unit test case of {@link com.vip.vjtools.vjkit.reflect.ClassUtil#isSubClassOrInterfaceOf(Class, Class)}
hello5
java
DarLiner/vjtools
vjkit/src/test/java/com/vip/vjtools/vjkit/reflect/ClassUtilTest.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/test/java/com/vip/vjtools/vjkit/reflect/ClassUtilTest.java
Apache-2.0
@FAnnotation private void hello6(int i) { }
Unit test case of {@link com.vip.vjtools.vjkit.reflect.ClassUtil#isSubClassOrInterfaceOf(Class, Class)}
hello6
java
DarLiner/vjtools
vjkit/src/test/java/com/vip/vjtools/vjkit/reflect/ClassUtilTest.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/test/java/com/vip/vjtools/vjkit/reflect/ClassUtilTest.java
Apache-2.0
@FAnnotation public void hello7(int i) { }
Unit test case of {@link com.vip.vjtools.vjkit.reflect.ClassUtil#isSubClassOrInterfaceOf(Class, Class)}
hello7
java
DarLiner/vjtools
vjkit/src/test/java/com/vip/vjtools/vjkit/reflect/ClassUtilTest.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/test/java/com/vip/vjtools/vjkit/reflect/ClassUtilTest.java
Apache-2.0
@Override @EAnnotation public void hello() { // TODO Auto-generated method stub }
Unit test case of {@link com.vip.vjtools.vjkit.reflect.ClassUtil#isSubClassOrInterfaceOf(Class, Class)}
hello
java
DarLiner/vjtools
vjkit/src/test/java/com/vip/vjtools/vjkit/reflect/ClassUtilTest.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/test/java/com/vip/vjtools/vjkit/reflect/ClassUtilTest.java
Apache-2.0
@FAnnotation public void hello3(int i) { }
Unit test case of {@link com.vip.vjtools.vjkit.reflect.ClassUtil#isSubClassOrInterfaceOf(Class, Class)}
hello3
java
DarLiner/vjtools
vjkit/src/test/java/com/vip/vjtools/vjkit/reflect/ClassUtilTest.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/test/java/com/vip/vjtools/vjkit/reflect/ClassUtilTest.java
Apache-2.0
@Override public void hello7(int i) { }
Unit test case of {@link com.vip.vjtools.vjkit.reflect.ClassUtil#isSubClassOrInterfaceOf(Class, Class)}
hello7
java
DarLiner/vjtools
vjkit/src/test/java/com/vip/vjtools/vjkit/reflect/ClassUtilTest.java
https://github.com/DarLiner/vjtools/blob/master/vjkit/src/test/java/com/vip/vjtools/vjkit/reflect/ClassUtilTest.java
Apache-2.0
protected String[] parseUserpass(final String userpass) { if (userpass == null || userpass.equals("-")) { return null; } int index = userpass.indexOf(':'); if (index <= 0) { throw new RuntimeException("Unable to parse: " + userpass); } return new String[] { userpass.substring(0, index), userpass.subst...
Parse a 'login:password' string. Assumption is that no colon in the login name. @param userpass @return Array of strings with login in first position.
parseUserpass
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
protected static Map formatCredentials(final String login, final String password) { Map env = null; String[] creds = new String[] { login, password }; env = new HashMap(1); env.put(JMXConnector.CREDENTIALS, creds); return env; }
@param login @param password @return Credentials as map for RMI.
formatCredentials
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
public static JMXConnector connect(final String hostportOrPid, final String login, final String password) throws IOException { if (hostportOrPid.contains(":")) {// ./vjmxcli.sh - 127.0.0.1:8060 vip.jmx:type=vGCutil JMXServiceURL rmiurl = new JMXServiceURL( "service:jmx:rmi://" + hostportOrPid + "/jndi/rmi:...
@param login @param password @return Credentials as map for RMI.
connect
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
protected Object[] execute(final String hostport, final String login, final String password, final String beanname, final String[] command) throws Exception { return execute(hostport, login, password, beanname, command, false); }
Version of execute called from the cmdline. Prints out result of execution on stdout. Parses cmdline args. Then calls {@link #execute(String, String, String, String, String[], boolean)}. @param args Cmdline args. @throws Exception
execute
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
public Object[] executeOneCmd(final String hostport, final String login, final String password, final String beanname, final String command) throws Exception { return execute(hostport, login, password, beanname, new String[] { command }, true); }
Version of execute called from the cmdline. Prints out result of execution on stdout. Parses cmdline args. Then calls {@link #execute(String, String, String, String, String[], boolean)}. @param args Cmdline args. @throws Exception
executeOneCmd
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
protected Object[] execute(final String hostportOrPid, final String login, final String password, final String beanname, String[] command, final boolean oneBeanOnly) throws Exception { JMXConnector jmxc = connect(hostportOrPid, login, password); Object[] result = null; try { MBeanServerConnection mbsc = jm...
Execute command against remote JMX agent. @param hostportOrPid 'host:port' combination. @param login RMI login to use. @param password RMI password to use. @param beanname Name of remote bean to run command against. @param command Array of commands to run. @param oneBeanOnly Set true if passed <code>beanname</code> is ...
execute
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
public static ObjectName getObjectName(final String beanname) throws MalformedObjectNameException, NullPointerException { return notEmpty(beanname) ? new ObjectName(beanname) : null; }
Execute command against remote JMX agent. @param hostportOrPid 'host:port' combination. @param login RMI login to use. @param password RMI password to use. @param beanname Name of remote bean to run command against. @param command Array of commands to run. @param oneBeanOnly Set true if passed <code>beanname</code> is ...
getObjectName
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
public static boolean notEmpty(String s) { return s != null && s.length() > 0; }
Execute command against remote JMX agent. @param hostportOrPid 'host:port' combination. @param login RMI login to use. @param password RMI password to use. @param beanname Name of remote bean to run command against. @param command Array of commands to run. @param oneBeanOnly Set true if passed <code>beanname</code> is ...
notEmpty
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
protected static Object[] doBeans(final MBeanServerConnection mbsc, final ObjectName objName, final String[] command, final boolean oneBeanOnly) throws Exception { Object[] result = null; Set beans = mbsc.queryMBeans(objName, null); if (beans.size() == 0) { // No bean found. Check if we are to create a bean...
Execute command against remote JMX agent. @param hostportOrPid 'host:port' combination. @param login RMI login to use. @param password RMI password to use. @param beanname Name of remote bean to run command against. @param command Array of commands to run. @param oneBeanOnly Set true if passed <code>beanname</code> is ...
doBeans
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
protected static Object[] doBean(MBeanServerConnection mbsc, ObjectInstance instance, String[] command) throws Exception { // If no command, then print out list of attributes and operations. if (command == null || command.length <= 0) { return new String[] { listOptions(mbsc, instance) }; } // Maybe mult...
Get attribute or run operation against passed bean <code>instance</code>. @param mbsc Server connection. @param instance Bean instance we're to get attributes from or run operation against. @param command Command to run (May be null). @return Result. If multiple commands, multiple results. @throws Exception
doBean
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
public static Object doSubCommand(MBeanServerConnection mbsc, ObjectInstance instance, String subCommand) throws Exception { // First, handle special case of our being asked to destroy a bean. if (subCommand.equals("destroy")) { mbsc.unregisterMBean(instance.getObjectName()); return null; } else if (subC...
Get attribute or run operation against passed bean <code>instance</code>. @param mbsc Server connection. @param instance Bean instance we're to get attributes from or run operation against. @param command Command to run (May be null). @return Result. If multiple commands, multiple results. @throws Exception
doSubCommand
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
protected static boolean isFeatureInfo(MBeanFeatureInfo[] infos, String cmd) { return getFeatureInfo(infos, cmd) != null; }
Get attribute or run operation against passed bean <code>instance</code>. @param mbsc Server connection. @param instance Bean instance we're to get attributes from or run operation against. @param command Command to run (May be null). @return Result. If multiple commands, multiple results. @throws Exception
isFeatureInfo
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
protected static MBeanFeatureInfo getFeatureInfo(MBeanFeatureInfo[] infos, String cmd) { // Cmd may be carrying arguments. Don't count them in the compare. int index = cmd.indexOf('='); String name = (index > 0) ? cmd.substring(0, index) : cmd; for (int i = 0; i < infos.length; i++) { if (infos[i].getName()....
Get attribute or run operation against passed bean <code>instance</code>. @param mbsc Server connection. @param instance Bean instance we're to get attributes from or run operation against. @param command Command to run (May be null). @return Result. If multiple commands, multiple results. @throws Exception
getFeatureInfo
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
protected static StringBuffer recurseTabularData(StringBuffer buffer, String indent, String name, TabularData data) { addNameToBuffer(buffer, indent, name); java.util.Collection c = data.values(); for (Iterator i = c.iterator(); i.hasNext();) { Object obj = i.next(); if (obj instanceof CompositeData) { ...
Get attribute or run operation against passed bean <code>instance</code>. @param mbsc Server connection. @param instance Bean instance we're to get attributes from or run operation against. @param command Command to run (May be null). @return Result. If multiple commands, multiple results. @throws Exception
recurseTabularData
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
protected static StringBuffer recurseCompositeData(StringBuffer buffer, String indent, String name, CompositeData data) { indent = addNameToBuffer(buffer, indent, name); for (Iterator i = data.getCompositeType().keySet().iterator(); i.hasNext();) { String key = (String) i.next(); Object o = data.get(key); ...
Get attribute or run operation against passed bean <code>instance</code>. @param mbsc Server connection. @param instance Bean instance we're to get attributes from or run operation against. @param command Command to run (May be null). @return Result. If multiple commands, multiple results. @throws Exception
recurseCompositeData
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
protected static String addNameToBuffer(StringBuffer buffer, String indent, String name) { if (name == null || name.length() == 0) { return indent; } buffer.append(indent); buffer.append(name); buffer.append(":\n"); // Move all that comes under this 'name' over by one space. return indent + " "; }
Get attribute or run operation against passed bean <code>instance</code>. @param mbsc Server connection. @param instance Bean instance we're to get attributes from or run operation against. @param command Command to run (May be null). @return Result. If multiple commands, multiple results. @throws Exception
addNameToBuffer
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
private void parse(String command) throws ParseException { Matcher m = CMD_LINE_ARGS_PATTERN.matcher(command); if (m == null || !m.matches()) { throw new ParseException("Failed parse of " + command, 0); } this.cmd = m.group(1); if (m.group(2) != null && m.group(2).length() > 0) { this.args = m.g...
Class that parses commandline arguments. Expected format is 'operationName=arg0,arg1,arg2...'. We are assuming no spaces nor comma's in argument values.
parse
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
protected String getCmd() { return this.cmd; }
Class that parses commandline arguments. Expected format is 'operationName=arg0,arg1,arg2...'. We are assuming no spaces nor comma's in argument values.
getCmd
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
protected String[] getArgs() { return this.args; }
Class that parses commandline arguments. Expected format is 'operationName=arg0,arg1,arg2...'. We are assuming no spaces nor comma's in argument values.
getArgs
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
protected static Object doAttributeOperation(MBeanServerConnection mbsc, ObjectInstance instance, String command, MBeanAttributeInfo[] infos) throws Exception { // Usually we get attributes. If an argument, then we're being asked // to set attribute. CommandParse parse = new CommandParse(command); if (parse....
Class that parses commandline arguments. Expected format is 'operationName=arg0,arg1,arg2...'. We are assuming no spaces nor comma's in argument values.
doAttributeOperation
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
protected static Object doBeanOperation(MBeanServerConnection mbsc, ObjectInstance instance, String command, MBeanOperationInfo[] infos) throws Exception { // Parse command line. CommandParse parse = new CommandParse(command); // Get first method of name 'cmd'. Assumption is no method // overrides. Then, lo...
Class that parses commandline arguments. Expected format is 'operationName=arg0,arg1,arg2...'. We are assuming no spaces nor comma's in argument values.
doBeanOperation
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
protected static String listOptions(MBeanServerConnection mbsc, ObjectInstance instance) throws InstanceNotFoundException, IntrospectionException, ReflectionException, IOException { StringBuffer result = new StringBuffer(); MBeanInfo info = mbsc.getMBeanInfo(instance.getObjectName()); MBeanAttributeInfo[] attr...
Class that parses commandline arguments. Expected format is 'operationName=arg0,arg1,arg2...'. We are assuming no spaces nor comma's in argument values.
listOptions
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
public synchronized String format(LogRecord record) { this.buffer.setLength(0); this.date.setTime(record.getMillis()); this.position.setBeginIndex(0); this.formatter.format(this.date, this.buffer, this.position); this.buffer.append(' '); if (record.getSourceClassName() != null) { this.buffer.appen...
Persistent buffer in which we conjure the log.
format
java
DarLiner/vjtools
vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
https://github.com/DarLiner/vjtools/blob/master/vjmxcli/src/main/java/com/vip/vjtools/jmx/Client.java
Apache-2.0
public static List<Long> getDelayMillsList(String schedulePlans) { List<Long> result = new ArrayList<>(); String[] plans = StringUtils.split(schedulePlans, ','); for (String plan : plans) { result.add(getDelayMillis(plan)); } return result; }
Generate delay millis list by given plans string, separated by comma.<br/> eg, 03:00-05:00,13:00-14:00
getDelayMillsList
java
DarLiner/vjtools
vjstar/src/main/java/com/vip/vjstar/gc/CleanUpScheduler.java
https://github.com/DarLiner/vjtools/blob/master/vjstar/src/main/java/com/vip/vjstar/gc/CleanUpScheduler.java
Apache-2.0
public static Date getCurrentDateByPlan(String plan, String pattern) { try { FastDateFormat format = FastDateFormat.getInstance(pattern); Date end = format.parse(plan); Calendar today = Calendar.getInstance(); end = DateUtils.setYears(end, (today.get(Calendar.YEAR))); end = DateUtils.setMonths(end, tod...
return current date time by specified hour:minute @param plan format: hh:mm
getCurrentDateByPlan
java
DarLiner/vjtools
vjstar/src/main/java/com/vip/vjstar/gc/CleanUpScheduler.java
https://github.com/DarLiner/vjtools/blob/master/vjstar/src/main/java/com/vip/vjstar/gc/CleanUpScheduler.java
Apache-2.0
public void run() { if (!valid) { logger.warn("OldMemoryPool is not valid, task stop."); return; } try { long usedOldGenBytes = logOldGenStatus("checking oldgen status"); if (needTriggerGc(maxOldGenBytes, usedOldGenBytes, oldGenOccupancyFraction)) { preGc(); doGc(); postGc(); } } ca...
Detect old gen usage of current jvm periodically and trigger a cms gc if necessary.<br/> In order to enable this feature, add these options to your target jvm:<br/> -XX:+UseConcMarkSweepGC -XX:CMSInitiatingOccupancyFraction=75 -XX:+ExplicitGCInvokesConcurrent<br/> You can alter this class to work on a remote jvm using ...
run
java
DarLiner/vjtools
vjstar/src/main/java/com/vip/vjstar/gc/ProactiveGcTask.java
https://github.com/DarLiner/vjtools/blob/master/vjstar/src/main/java/com/vip/vjstar/gc/ProactiveGcTask.java
Apache-2.0
private boolean needTriggerGc(long capacityBytes, long usedBytes, int occupancyFraction) { return (occupancyFraction * capacityBytes / 100) < usedBytes; }
Determine whether or not to trigger gc.
needTriggerGc
java
DarLiner/vjtools
vjstar/src/main/java/com/vip/vjstar/gc/ProactiveGcTask.java
https://github.com/DarLiner/vjtools/blob/master/vjstar/src/main/java/com/vip/vjstar/gc/ProactiveGcTask.java
Apache-2.0
protected void preGc() { logger.warn("old gen is occupied larger than occupancy fraction[{}], trying to trigger gc...", oldGenOccupancyFraction); }
Stuff before gc. You can override this method to do your own stuff, for example, cache clean up, deregister from register center.
preGc
java
DarLiner/vjtools
vjstar/src/main/java/com/vip/vjstar/gc/ProactiveGcTask.java
https://github.com/DarLiner/vjtools/blob/master/vjstar/src/main/java/com/vip/vjstar/gc/ProactiveGcTask.java
Apache-2.0
protected void postGc() { logOldGenStatus("post gc"); }
Stuff after gc. You can override this method to do your own stuff, for example, cache warmup, reregister to register center.
postGc
java
DarLiner/vjtools
vjstar/src/main/java/com/vip/vjstar/gc/ProactiveGcTask.java
https://github.com/DarLiner/vjtools/blob/master/vjstar/src/main/java/com/vip/vjstar/gc/ProactiveGcTask.java
Apache-2.0
protected long logOldGenStatus(String hints) { long usedOldBytes = oldGenMemoryPool.getUsage().getUsed(); logger.info(String.format("%s, max old gen:%s, used old gen:%s, current fraction: %.2f%%, gc fraction: %d%%", hints, UnitConverter.toSizeUnit(maxOldGenBytes, 2), UnitConverter.toSizeUnit(usedOldBytes, 2), ...
Stuff after gc. You can override this method to do your own stuff, for example, cache warmup, reregister to register center.
logOldGenStatus
java
DarLiner/vjtools
vjstar/src/main/java/com/vip/vjstar/gc/ProactiveGcTask.java
https://github.com/DarLiner/vjtools/blob/master/vjstar/src/main/java/com/vip/vjstar/gc/ProactiveGcTask.java
Apache-2.0
private MemoryPoolMXBean getOldGenMemoryPool() { String OLD = "old"; String TENURED = "tenured"; MemoryPoolMXBean oldGenMemoryPool = null; List<MemoryPoolMXBean> memoryPoolMXBeans = ManagementFactory.getPlatformMXBeans(MemoryPoolMXBean.class); for (MemoryPoolMXBean memoryPool : memoryPoolMXBeans) { String...
Stuff after gc. You can override this method to do your own stuff, for example, cache warmup, reregister to register center.
getOldGenMemoryPool
java
DarLiner/vjtools
vjstar/src/main/java/com/vip/vjstar/gc/ProactiveGcTask.java
https://github.com/DarLiner/vjtools/blob/master/vjstar/src/main/java/com/vip/vjstar/gc/ProactiveGcTask.java
Apache-2.0
private long getMemoryPoolMaxOrCommitted(MemoryPoolMXBean memoryPool) { MemoryUsage usage = memoryPool.getUsage(); long max = usage.getMax(); return max < 0 ? usage.getCommitted() : max; }
Stuff after gc. You can override this method to do your own stuff, for example, cache warmup, reregister to register center.
getMemoryPoolMaxOrCommitted
java
DarLiner/vjtools
vjstar/src/main/java/com/vip/vjstar/gc/ProactiveGcTask.java
https://github.com/DarLiner/vjtools/blob/master/vjstar/src/main/java/com/vip/vjstar/gc/ProactiveGcTask.java
Apache-2.0
public long count() { long currentSecond = TimeUnit.NANOSECONDS.toSeconds(System.nanoTime()); return count(currentSecond); }
count request num of time window
count
java
DarLiner/vjtools
vjstar/src/main/java/com/vip/vjstar/window/TimeSlidingWindow.java
https://github.com/DarLiner/vjtools/blob/master/vjstar/src/main/java/com/vip/vjstar/window/TimeSlidingWindow.java
Apache-2.0
long count(long time) { if (time >= lastTime.get() + size) { return 0; } long result = 0; for (int i = 0; i < size; i++) { result += counts.get(i); } return result; }
count request num of time window
count
java
DarLiner/vjtools
vjstar/src/main/java/com/vip/vjstar/window/TimeSlidingWindow.java
https://github.com/DarLiner/vjtools/blob/master/vjstar/src/main/java/com/vip/vjstar/window/TimeSlidingWindow.java
Apache-2.0
public static String toMB(long bytes) { if (bytes < 0) { return "n/a"; } return Long.toString(bytes / 1024 / 1024) + "m"; }
Formats a long value containing "number of bytes" to its megabyte representation. If the value is negative, "n/a" will be returned.
toMB
java
DarLiner/vjtools
vjtop/src/main/java/com/vip/vjtools/vjtop/Utils.java
https://github.com/DarLiner/vjtools/blob/master/vjtop/src/main/java/com/vip/vjtools/vjtop/Utils.java
Apache-2.0