method2testcases
stringlengths
118
6.63k
### Question: Transaction { void observe( @Nonnull final ObservableValue<?> observableValue ) { if ( Arez.shouldCheckInvariants() ) { markTransactionAsUsed(); invariant( observableValue::isNotDisposed, () -> "Arez-0142: Invoked observe on transaction named '" + getName() + "' for observableValue " + "named '" + observa...
### Question: Transaction { @Nonnull String getName() { if ( Arez.shouldCheckInvariants() ) { invariant( Arez::areNamesEnabled, () -> "Arez-0133: Transaction.getName() invoked when Arez.areNamesEnabled() is false" ); } assert null != _name; return _name; } Transaction( @Nullable final ArezContext context, ...
### Question: Transaction { void verifyWriteAllowed( @Nonnull final ObservableValue<?> observableValue ) { if ( Arez.shouldEnforceTransactionType() && Arez.shouldCheckInvariants() ) { if ( isComputableValueTracker() ) { invariant( () -> observableValue.isComputableValue() && observableValue.getObserver() == _tracker, (...
### Question: Transaction { void reportChangeConfirmed( @Nonnull final ObservableValue<?> observableValue ) { if ( Arez.shouldCheckInvariants() ) { invariant( observableValue::isNotDisposed, () -> "Arez-0149: Invoked reportChangeConfirmed on transaction named '" + getName() + "' for ObservableValue named '" + observabl...
### Question: Transaction { @Nonnull static Transaction current() { if ( Arez.shouldCheckInvariants() ) { invariant( () -> null != c_transaction, () -> "Arez-0117: Attempting to get current transaction but no transaction is active." ); } assert null != c_transaction; return c_transaction; } Transaction( @Nullable final...
### Question: Transaction { static boolean isTransactionActive( @Nonnull final ArezContext context ) { return null != c_transaction && ( !Arez.areZonesEnabled() || c_transaction.getContext() == context ); } Transaction( @Nullable final ArezContext context, @Nullable final Transaction previous, ...
### Question: Transaction { void reportDispose( @Nonnull final Disposable disposable ) { if ( Arez.shouldCheckInvariants() ) { invariant( disposable::isNotDisposed, () -> "Arez-0176: Invoked reportDispose on transaction named '" + getName() + "' where the element is disposed." ); invariant( () -> !Arez.shouldEnforceTra...
### Question: ComputableValueInfoImpl implements ComputableValueInfo { @Override public boolean isActive() { return _computableValue.getObserver().isActive(); } ComputableValueInfoImpl( @Nonnull final ComputableValue<?> computableValue ); @Nonnull @Override String getName(); @Override boolean isComputing(); @Nonnull @O...
### Question: Arez { @Nonnull public static ArezContext context() { return areZonesEnabled() ? ZoneHolder.context() : ArezContextHolder.context(); } private Arez(); @OmitSymbol static boolean areZonesEnabled(); @OmitSymbol static boolean areNamesEnabled(); @OmitSymbol static boolean isVerifyEnabled(); @OmitSymbol stat...
### Question: Arez { @OmitSymbol( unless = "arez.enable_zones" ) static void activateZone( @Nonnull final Zone zone ) { ZoneHolder.activateZone( zone ); } private Arez(); @OmitSymbol static boolean areZonesEnabled(); @OmitSymbol static boolean areNamesEnabled(); @OmitSymbol static boolean isVerifyEnabled(); @OmitSymbo...
### Question: Arez { @OmitSymbol( unless = "arez.enable_zones" ) static void deactivateZone( @Nonnull final Zone zone ) { ZoneHolder.deactivateZone( zone ); } private Arez(); @OmitSymbol static boolean areZonesEnabled(); @OmitSymbol static boolean areNamesEnabled(); @OmitSymbol static boolean isVerifyEnabled(); @OmitS...
### Question: TransactionInfoImpl implements TransactionInfo { @Nonnull @Override public String getName() { return getTransaction().getName(); } TransactionInfoImpl( @Nonnull final Transaction transaction ); @Nonnull @Override String getName(); @Override boolean isReadOnly(); @Nullable @Override TransactionInfo getPare...
### Question: TaskInfoImpl implements TaskInfo { @Override public int hashCode() { return _task.hashCode(); } TaskInfoImpl( @Nonnull final Task task ); @Nonnull @Override String getName(); @Override boolean isIdle(); @Override boolean isScheduled(); @Nonnull @Override Priority getPriority(); @Override boolean isDispose...
### Question: ObservableValueInfoImpl implements ObservableValueInfo { @Override public ComputableValueInfo asComputableValue() { return _observableValue.getObserver().getComputableValue().asInfo(); } ObservableValueInfoImpl( @Nonnull final ObservableValue<?> observableValue ); @Nonnull @Override String getName(); @Ove...
### Question: ObservableValueInfoImpl implements ObservableValueInfo { @Override public int hashCode() { return _observableValue.hashCode(); } ObservableValueInfoImpl( @Nonnull final ObservableValue<?> observableValue ); @Nonnull @Override String getName(); @Override boolean isComputableValue(); @Override ComputableVal...
### Question: ObservableValueInfoImpl implements ObservableValueInfo { @Override public boolean isComputableValue() { return _observableValue.isComputableValue(); } ObservableValueInfoImpl( @Nonnull final ObservableValue<?> observableValue ); @Nonnull @Override String getName(); @Override boolean isComputableValue(); @...
### Question: ObservableValueInfoImpl implements ObservableValueInfo { @Nullable @Override public ComponentInfo getComponent() { if ( Arez.shouldCheckInvariants() ) { invariant( Arez::areNativeComponentsEnabled, () -> "Arez-0107: Spy.getComponent invoked when Arez.areNativeComponentsEnabled() returns false." ); } final...
### Question: ComputableValueInfoImpl implements ComputableValueInfo { @Nonnull @Override public List<ObserverInfo> getObservers() { return ObserverInfoImpl.asUnmodifiableInfos( _computableValue.getObservableValue().getObservers() ); } ComputableValueInfoImpl( @Nonnull final ComputableValue<?> computableValue ); @Nonnu...
### Question: SpyEventHandlerSupport { void removeSpyEventHandler( @Nonnull final SpyEventHandler handler ) { if ( Arez.shouldCheckApiInvariants() ) { apiInvariant( () -> _spyEventHandlers.contains( handler ), () -> "Arez-0103: Attempting to remove handler " + handler + " that is not " + "in the list of spy handlers." ...
### Question: ObservableValueInfoImpl implements ObservableValueInfo { @Nullable @Override public Object getValue() throws Throwable { if ( Arez.shouldCheckInvariants() ) { invariant( Arez::arePropertyIntrospectorsEnabled, () -> "Arez-0111: Spy.getValue invoked when Arez.arePropertyIntrospectorsEnabled() returns false....
### Question: ObservableValueInfoImpl implements ObservableValueInfo { @Override public boolean hasAccessor() { if ( Arez.shouldCheckInvariants() ) { invariant( Arez::arePropertyIntrospectorsEnabled, () -> "Arez-0110: Spy.hasAccessor invoked when Arez.arePropertyIntrospectorsEnabled() returns false." ); } return null !...
### Question: ObservableValueInfoImpl implements ObservableValueInfo { @Override public boolean hasMutator() { if ( Arez.shouldCheckInvariants() ) { invariant( Arez::arePropertyIntrospectorsEnabled, () -> "Arez-0113: Spy.hasMutator invoked when Arez.arePropertyIntrospectorsEnabled() returns false." ); } return null != ...
### Question: ObservableValueInfoImpl implements ObservableValueInfo { @SuppressWarnings( { "unchecked", "rawtypes" } ) @Override public void setValue( @Nullable final Object value ) throws Throwable { if ( Arez.shouldCheckInvariants() ) { invariant( Arez::arePropertyIntrospectorsEnabled, () -> "Arez-0114: Spy.setValue...
### Question: ComputableValue extends Node { @Nonnull Observer getObserver() { return _observer; } ComputableValue( @Nullable final ArezContext context, @Nullable final Component component, @Nullable final String name, @Nonnull final SafeFunction<T> function, ...
### Question: ComputableValue extends Node { T computeValue() { if ( Arez.shouldCheckInvariants() ) { _computing = true; } try { return _function.call(); } finally { if ( Arez.shouldCheckInvariants() ) { _computing = false; } } } ComputableValue( @Nullable final ArezContext context, @Nullable final C...
### Question: ComputableValue extends Node { void compute() { final T oldValue = _value; try { final T newValue = computeValue(); if ( !Objects.equals( oldValue, newValue ) ) { _value = newValue; _error = null; getObservableValue().reportChangeConfirmed(); } if ( Arez.shouldCheckApiInvariants() ) { if ( getObserver().a...
### Question: ComputableValue extends Node { @Override public void dispose() { if ( isNotDisposed() ) { if ( Arez.shouldCheckInvariants() ) { getContext().safeAction( Arez.areNamesEnabled() ? getName() + ".dispose" : null, () -> getContext().getTransaction().reportDispose( this ), ActionFlags.NO_VERIFY_ACTION_REQUIRED ...
### Question: ComputableValueInfoImpl implements ComputableValueInfo { @OmitSymbol( unless = "arez.enable_property_introspection" ) @Nullable @Override public Object getValue() throws Throwable { if ( Arez.shouldCheckInvariants() ) { invariant( Arez::arePropertyIntrospectorsEnabled, () -> "Arez-0116: Spy.getValue invok...
### Question: ComputableValue extends Node { @SuppressWarnings( "ConstantConditions" ) @OmitSymbol( unless = "arez.enable_spies" ) @Nonnull ComputableValueInfo asInfo() { if ( Arez.shouldCheckInvariants() ) { invariant( Arez::areSpiesEnabled, () -> "Arez-0195: ComputableValue.asInfo() invoked but Arez.areSpiesEnabled()...
### Question: ComputableValue extends Node { void incrementKeepAliveRefCount() { keepAliveInvariants(); _keepAliveRefCount++; if ( 1 == _keepAliveRefCount ) { final ObservableValue<T> observableValue = getObservableValue(); if ( !observableValue.isActive() ) { final ArezContext context = getContext(); if ( context.isTr...
### Question: ComputableValue extends Node { @OmitSymbol void setKeepAliveRefCount( final int keepAliveRefCount ) { _keepAliveRefCount = keepAliveRefCount; } ComputableValue( @Nullable final ArezContext context, @Nullable final Component component, @Nullable final String name, ...
### Question: ComputableValue extends Node { void decrementKeepAliveRefCount() { _keepAliveRefCount--; keepAliveInvariants(); if ( 0 == _keepAliveRefCount ) { final ObservableValue<T> observableValue = getObservableValue(); final ArezContext context = getContext(); if ( context.isTransactionActive() ) { if ( !observabl...
### Question: ArezProcessor extends AbstractStandardProcessor { @Nonnull @Override protected String getOptionPrefix() { return "arez"; } @Override boolean process( @Nonnull final Set<? extends TypeElement> annotations, @Nonnull final RoundEnvironment env ); }### Answer: @Test public void unresolvedComponent() { final...
### Question: ComputableValueInfoImpl implements ComputableValueInfo { @Override public int hashCode() { return _computableValue.hashCode(); } ComputableValueInfoImpl( @Nonnull final ComputableValue<?> computableValue ); @Nonnull @Override String getName(); @Override boolean isComputing(); @Nonnull @Override Priority g...
### Question: AggregateLocator implements Locator { @Nonnull Disposable registerLocator( @Nonnull final Locator locator ) { if ( Arez.shouldCheckApiInvariants() ) { apiInvariant( () -> !_locators.contains( locator ), () -> "Arez-0189: Attempting to register locator " + locator + " when the " + "Locator is already prese...
### Question: ComponentInfoImpl implements ComponentInfo { @Override public int hashCode() { return _component.hashCode(); } ComponentInfoImpl( @Nonnull final Component component ); @Nonnull @Override String getType(); @Nonnull @Override Object getId(); @Nonnull @Override String getName(); @Override List<ObservableValu...
### Question: TaskQueue { void queueTask( @Nonnull final Task task ) { queueTask( task.getPriorityIndex(), task ); } @SuppressWarnings( { "unchecked", "rawtypes", "RedundantSuppression" } ) TaskQueue( final int priorityCount, final int initialCapacity ); }### Answer: @Test public void queueTask_badPriority() { final...
### Question: TaskQueue { @Nonnull Collection<Task> clear() { final List<Task> tasks = new ArrayList<>(); for ( int i = 0; i < _buffers.length; i++ ) { final CircularBuffer<Task> buffer = _buffers[ i ]; Task task; while ( null != ( task = buffer.pop() ) ) { tasks.add( task ); task.markAsIdle(); } } return tasks; } @Sup...
### Question: ArezUtil { @Nonnull @OmitSymbol( unless = "arez.enable_names" ) static String safeGetString( @Nonnull final Supplier<String> message ) { try { return message.get(); } catch ( final Throwable t ) { return "Exception generated whilst attempting to get supplied message.\n" + throwableToString( t ); } } priva...
### Question: ObservableValue extends Node { @Override public void dispose() { if ( isNotDisposed() ) { getContext().safeAction( Arez.areNamesEnabled() ? getName() + ".dispose" : null, this::performDispose ); if ( isComputableValue() ) { getObserver().dispose(); } else { if ( willPropagateSpyEvents() ) { reportSpyEvent...
### Question: ObservableValue extends Node { void addObserver( @Nonnull final Observer observer ) { if ( Arez.shouldCheckInvariants() ) { invariant( () -> getContext().isTransactionActive(), () -> "Arez-0065: Attempt to invoke addObserver on ObservableValue named '" + getName() + "' when there is no active transaction....
### Question: ObservableValue extends Node { void removeObserver( @Nonnull final Observer observer ) { if ( Arez.shouldCheckInvariants() ) { invariant( () -> getContext().isTransactionActive(), () -> "Arez-0069: Attempt to invoke removeObserver on ObservableValue named '" + getName() + "' " + "when there is no active t...
### Question: ObservableValue extends Node { void setLeastStaleObserverState( final int leastStaleObserverState ) { if ( Arez.shouldCheckInvariants() ) { invariant( () -> getContext().isTransactionActive(), () -> "Arez-0074: Attempt to invoke setLeastStaleObserverState on ObservableValue named '" + getName() + "' when ...
### Question: ObservableValue extends Node { @Nonnull Observer getObserver() { assert null != _observer; return _observer; } ObservableValue( @Nullable final ArezContext context, @Nullable final Component component, @Nullable final String name, @Nullable final Ob...
### Question: ObservableValue extends Node { void invariantObserversLinked() { if ( Arez.shouldCheckInvariants() ) { getObservers().forEach( observer -> invariant( () -> observer.getDependencies().contains( this ), () -> "Arez-0077: ObservableValue named '" + getName() + "' has observer " + "named '" + observer.getName...
### Question: ObservableValue extends Node { void queueForDeactivation() { if ( Arez.shouldCheckInvariants() ) { invariant( () -> getContext().isTransactionActive(), () -> "Arez-0071: Attempt to invoke queueForDeactivation on ObservableValue named '" + getName() + "' when there is no active transaction." ); invariant( ...
### Question: ObservableValue extends Node { boolean isPendingDeactivation() { return _pendingDeactivation; } ObservableValue( @Nullable final ArezContext context, @Nullable final Component component, @Nullable final String name, @Nullable final Observer observer...
### Question: ObservableValue extends Node { void resetPendingDeactivation() { _pendingDeactivation = false; } ObservableValue( @Nullable final ArezContext context, @Nullable final Component component, @Nullable final String name, @Nullable final Observer observe...
### Question: ObservableValue extends Node { boolean canDeactivate() { return isComputableValue() && !getObserver().isKeepAlive(); } ObservableValue( @Nullable final ArezContext context, @Nullable final Component component, @Nullable final String name, @Nullable ...
### Question: ObservableValue extends Node { void deactivate() { if ( Arez.shouldCheckInvariants() ) { invariant( () -> getContext().isTransactionActive(), () -> "Arez-0060: Attempt to invoke deactivate on ObservableValue named '" + getName() + "' when there is no active transaction." ); invariant( this::canDeactivate,...
### Question: ObservableValue extends Node { void activate() { if ( Arez.shouldCheckInvariants() ) { invariant( () -> getContext().isTransactionActive(), () -> "Arez-0062: Attempt to invoke activate on ObservableValue named '" + getName() + "' when there is no active transaction." ); invariant( () -> null != _observer,...
### Question: ObservableValue extends Node { public void reportObserved() { getContext().getTransaction().observe( this ); } ObservableValue( @Nullable final ArezContext context, @Nullable final Component component, @Nullable final String name, @Nullable final Ob...
### Question: ObservableValue extends Node { public void reportObservedIfTrackingTransactionActive() { if ( getContext().isTrackingTransactionActive() ) { reportObserved(); } } ObservableValue( @Nullable final ArezContext context, @Nullable final Component component, @Nullable fina...
### Question: ObservableValue extends Node { @OmitSymbol( unless = "arez.check_invariants" ) public void preReportChanged() { if ( Arez.shouldCheckInvariants() ) { getContext().getTransaction().preReportChanged( this ); } } ObservableValue( @Nullable final ArezContext context, @Nullable final Compone...
### Question: ObservableValue extends Node { void setWorkState( final int workState ) { _workState = workState; } ObservableValue( @Nullable final ArezContext context, @Nullable final Component component, @Nullable final String name, @Nullable final Observer obse...
### Question: ObservableValue extends Node { public void reportChanged() { if ( willPropagateSpyEvents() ) { reportSpyEvent( new ObservableValueChangeEvent( asInfo(), getObservableValue() ) ); } getContext().getTransaction().reportChanged( this ); } ObservableValue( @Nullable final ArezContext context, ...
### Question: ObservableValue extends Node { void reportPossiblyChanged() { getContext().getTransaction().reportPossiblyChanged( this ); } ObservableValue( @Nullable final ArezContext context, @Nullable final Component component, @Nullable final String name, @Nul...
### Question: ObservableValue extends Node { void reportChangeConfirmed() { if ( willPropagateSpyEvents() ) { reportSpyEvent( new ObservableValueChangeEvent( asInfo(), getObservableValue() ) ); } getContext().getTransaction().reportChangeConfirmed( this ); } ObservableValue( @Nullable final ArezContext context, ...
### Question: ArezUtil { @Nonnull @OmitSymbol( unless = "arez.enable_names" ) static String throwableToString( @Nonnull final Throwable throwable ) { final StringBuilder sb = new StringBuilder(); Throwable t = throwable; while ( null != t ) { addCausedByPrefix( sb ); sb.append( t.toString() ); for ( final StackTraceEle...
### Question: ObservableValue extends Node { @SuppressWarnings( "ConstantConditions" ) @OmitSymbol( unless = "arez.enable_spies" ) @Nonnull ObservableValueInfo asInfo() { if ( Arez.shouldCheckInvariants() ) { invariant( Arez::areSpiesEnabled, () -> "Arez-0196: ObservableValue.asInfo() invoked but Arez.areSpiesEnabled()...
### Question: Component implements Disposable { @Nonnull public Object getId() { return _id; } Component( @Nullable final ArezContext context, @Nonnull final String type, @Nonnull final Object id, @Nullable final String name, @Nullable final SafeProcedure preDispose, ...
### Question: Component implements Disposable { public void complete() { if ( !_complete ) { _complete = true; if ( Arez.areSpiesEnabled() && getContext().getSpy().willPropagateSpyEvents() ) { final ComponentInfo component = getContext().getSpy().asComponentInfo( this ); getContext().getSpy().reportSpyEvent( new Compon...
### Question: Component implements Disposable { @Override public void dispose() { if ( !_disposed ) { _disposed = true; if ( Arez.areSpiesEnabled() && getContext().getSpy().willPropagateSpyEvents() ) { final ComponentInfo info = getContext().getSpy().asComponentInfo( this ); getContext().getSpy().reportSpyEvent( new Co...
### Question: Component implements Disposable { @SuppressWarnings( "ConstantConditions" ) @OmitSymbol( unless = "arez.enable_spies" ) @Nonnull ComponentInfo asInfo() { if ( Arez.shouldCheckInvariants() ) { invariant( Arez::areSpiesEnabled, () -> "Arez-0194: Component.asInfo() invoked but Arez.areSpiesEnabled() returned...
### Question: Component implements Disposable { Component( @Nullable final ArezContext context, @Nonnull final String type, @Nonnull final Object id, @Nullable final String name, @Nullable final SafeProcedure preDispose, @Nullable final SafeProcedure postDispose ) { if ( Arez.shouldCheckApiInvariants() ) { apiInvariant...
### Question: Observer extends Node { void invariantDependenciesBackLink( @Nonnull final String context ) { if ( Arez.shouldCheckInvariants() ) { getDependencies().forEach( observable -> invariant( () -> observable.getObservers().contains( this ), () -> "Arez-0090: " + context + ": Observer named '" + getName() + "' ha...
### Question: Observer extends Node { void invariantDependenciesNotDisposed() { if ( Arez.shouldCheckInvariants() ) { getDependencies().forEach( observable -> invariant( observable::isNotDisposed, () -> "Arez-0091: Observer named '" + getName() + "' has " + "ObservableValue dependency named '" + observable.getName() + ...
### Question: Observer extends Node { void invariantDependenciesUnique( @Nonnull final String context ) { if ( Arez.shouldCheckInvariants() ) { invariant( () -> getDependencies().size() == new HashSet<>( getDependencies() ).size(), () -> "Arez-0089: " + context + ": The set of dependencies in observer named '" + getNam...
### Question: Observer extends Node { void invariantState() { if ( Arez.shouldCheckInvariants() ) { if ( isInactive() && !isDisposing() ) { invariant( () -> getDependencies().isEmpty(), () -> "Arez-0092: Observer named '" + getName() + "' is inactive but still has dependencies: " + getDependencies().stream().map( Node:...
### Question: Observer extends Node { void replaceDependencies( @Nonnull final List<ObservableValue<?>> dependencies ) { if ( Arez.shouldCheckInvariants() ) { invariantDependenciesUnique( "Pre replaceDependencies" ); } _dependencies = Objects.requireNonNull( dependencies ); if ( Arez.shouldCheckInvariants() ) { invaria...
### Question: Observer extends Node { void clearDependencies() { getDependencies().forEach( dependency -> { dependency.removeObserver( this ); if ( !dependency.hasObservers() ) { dependency.setLeastStaleObserverState( Flags.STATE_UP_TO_DATE ); } } ); getDependencies().clear(); } Observer( @Nonnull final ComputableValue...
### Question: Observer extends Node { void scheduleReaction() { if ( isNotDisposed() ) { if ( Arez.shouldCheckInvariants() ) { invariant( this::isActive, () -> "Arez-0088: Observer named '" + getName() + "' is not active but an attempt has been made " + "to schedule observer." ); } if ( !getTask().isQueued() ) { getCon...
### Question: Observer extends Node { @Override public void dispose() { if ( isNotDisposedOrDisposing() ) { getContext().safeAction( Arez.areNamesEnabled() ? getName() + ".dispose" : null, this::performDispose, ActionFlags.NO_VERIFY_ACTION_REQUIRED ); if ( !isComputableValue() ) { if ( willPropagateSpyEvents() ) { repo...
### Question: Observer extends Node { void markDependenciesLeastStaleObserverAsUpToDate() { for ( final ObservableValue<?> dependency : getDependencies() ) { dependency.setLeastStaleObserverState( Flags.STATE_UP_TO_DATE ); } } Observer( @Nonnull final ComputableValue<?> computableValue, final int flags ); Observer( @...
### Question: Observer extends Node { void invokeReaction() { if ( isNotDisposed() ) { final long start; if ( willPropagateSpyEvents() ) { start = System.currentTimeMillis(); if ( isComputableValue() ) { reportSpyEvent( new ComputeStartEvent( getComputableValue().asInfo() ) ); } else { reportSpyEvent( new ObserveStartE...
### Question: Observer extends Node { Observer( @Nonnull final ComputableValue<?> computableValue, final int flags ) { this( Arez.areZonesEnabled() ? computableValue.getContext() : null, null, Arez.areNamesEnabled() ? computableValue.getName() : null, computableValue, computableValue::compute, null, flags | ( Flags.KEE...
### Question: Observer extends Node { @SuppressWarnings( "ConstantConditions" ) @OmitSymbol( unless = "arez.enable_spies" ) @Nonnull ObserverInfo asInfo() { if ( Arez.shouldCheckInvariants() ) { invariant( Arez::areSpiesEnabled, () -> "Arez-0197: Observer.asInfo() invoked but Arez.areSpiesEnabled() returned false." ); ...
### Question: Observer extends Node { public void reportStale() { if ( Arez.shouldCheckApiInvariants() ) { apiInvariant( this::areExternalDependenciesAllowed, () -> "Arez-0199: Observer.reportStale() invoked on observer named '" + getName() + "' but the observer has not specified AREZ_OR_EXTERNAL_DEPENDENCIES flag." );...
### Question: ObserverInfoImpl implements ObserverInfo { @Override public boolean isScheduled() { return _observer.getTask().isQueued(); } ObserverInfoImpl( @Nonnull final Spy spy, @Nonnull final Observer observer ); @Nonnull @Override String getName(); @Override boolean isActive(); @Override boolean isRunning(); @Over...
### Question: Observer extends Node { public void schedule() { if ( Arez.shouldCheckApiInvariants() ) { apiInvariant( this::supportsManualSchedule, () -> "Arez-0202: Observer.schedule() invoked on observer named '" + getName() + "' but supportsManualSchedule() returns false." ); } if ( Arez.shouldEnforceTransactionType...
### Question: Observer extends Node { boolean isActive() { return Flags.isActive( _flags ); } Observer( @Nonnull final ComputableValue<?> computableValue, final int flags ); Observer( @Nullable final ArezContext context, @Nullable final Component component, @Nullable final String name, ...
### Question: Observer extends Node { int getState() { return Flags.getState( _flags ); } Observer( @Nonnull final ComputableValue<?> computableValue, final int flags ); Observer( @Nullable final ArezContext context, @Nullable final Component component, @Nullable final String name, ...
### Question: Observer extends Node { int getLeastStaleObserverState() { return Flags.getLeastStaleObserverState( _flags ); } Observer( @Nonnull final ComputableValue<?> computableValue, final int flags ); Observer( @Nullable final ArezContext context, @Nullable final Component component, @Nul...
### Question: ArezLogger { static void log( @Nonnull final String message, @Nullable final Throwable throwable ) { c_logger.log( message, throwable ); } private ArezLogger(); }### Answer: @Test public void log() { final String message1 = ValueUtil.randomString(); final String message2 = ValueUtil.randomString(); Are...
### Question: NoSuchEntityException extends NoResultException { @Override public String toString() { if ( Arez.areNamesEnabled() ) { return "NoSuchEntityException[id=" + _id + ']'; } else { return super.toString(); } } NoSuchEntityException( @Nonnull final Object id ); @Nonnull Object getId(); @Override String toString...
### Question: TypeBasedLocator implements Locator { public <T> void registerLookup( @Nonnull final Class<T> type, @Nonnull final Function<Object, T> findByIdFunction ) { if ( Arez.shouldCheckApiInvariants() ) { apiInvariant( () -> !_findByIdFunctions.containsKey( type ), () -> "Arez-0188: Attempting to register lookup ...
### Question: CollectionsUtil { @Nonnull public static <T> Collection<T> wrap( @Nonnull final Collection<T> collection ) { return Arez.areCollectionsPropertiesUnmodifiable() ? Collections.unmodifiableCollection( collection ) : collection; } private CollectionsUtil(); @Nonnull static Collection<T> wrap( @Nonnull final ...
### Question: ObserverInfoImpl implements ObserverInfo { @Override public boolean isRunning() { return _spy.isTransactionActive() && null != getTrackerTransaction(); } ObserverInfoImpl( @Nonnull final Spy spy, @Nonnull final Observer observer ); @Nonnull @Override String getName(); @Override boolean isActive(); @Overri...
### Question: CollectionsUtil { @Nonnull public static <T> List<T> asList( @Nonnull final Stream<T> stream ) { return wrap( stream.collect( Collectors.toList() ) ); } private CollectionsUtil(); @Nonnull static Collection<T> wrap( @Nonnull final Collection<T> collection ); @Nonnull static Set<T> wrap( @Nonnull final Se...
### Question: MemoizeCache implements Disposable { @SuppressWarnings( "unchecked" ) void disposeComputableValue( @Nonnull final Object... args ) { if ( Arez.shouldCheckInvariants() ) { invariant( () -> args.length == _argCount, () -> "Arez-0163: MemoizeCache.disposeComputableValue called with " + args.length + " argume...
### Question: MemoizeCache implements Disposable { public T get( @Nonnull final Object... args ) { if ( Arez.shouldCheckApiInvariants() ) { apiInvariant( this::isNotDisposed, () -> "Arez-0161: MemoizeCache named '" + _name + "' had get() invoked when disposed." ); } return getComputableValue( args ).get(); } MemoizeCac...
### Question: ComponentKernel implements Disposable, ComponentObservable { @Override public boolean observe() { if ( Arez.shouldCheckApiInvariants() ) { apiInvariant( () -> null != _disposeOnDeactivate || null != _componentObservable, () -> "Arez-0221: ComponentKernel.observe() invoked on component named '" + getName()...
### Question: ComponentKernel implements Disposable, ComponentObservable { public void addOnDisposeListener( @Nonnull final Object key, @Nonnull final SafeProcedure action ) { assert null != _onDisposeListeners; if ( Arez.shouldCheckApiInvariants() ) { invariant( this::isNotDisposed, () -> "Arez-0170: Attempting to add...
### Question: ObserverInfoImpl implements ObserverInfo { @Override public boolean isReadOnly() { return Arez.shouldEnforceTransactionType() && !_observer.isMutation(); } ObserverInfoImpl( @Nonnull final Spy spy, @Nonnull final Observer observer ); @Nonnull @Override String getName(); @Override boolean isActive(); @Over...
### Question: ComponentKernel implements Disposable, ComponentObservable { public void removeOnDisposeListener( @Nonnull final Object key ) { assert null != _onDisposeListeners; final SafeProcedure removed = _onDisposeListeners.remove( key ); if ( Arez.shouldCheckApiInvariants() ) { invariant( () -> null != removed, ()...
### Question: ComponentKernel implements Disposable, ComponentObservable { @Override public void dispose() { if ( isNotDisposed() ) { _state = COMPONENT_DISPOSING; if ( Arez.areNativeComponentsEnabled() ) { assert null != _component; _component.dispose(); } else { getContext().safeAction( Arez.areNamesEnabled() ? getNa...
### Question: ObserverInfoImpl implements ObserverInfo { @Nonnull @Override public List<ObservableValueInfo> getDependencies() { final Transaction transaction = _spy.isTransactionActive() ? getTrackerTransaction() : null; if ( null != transaction ) { final List<ObservableValue<?>> observableValues = transaction.getObse...
### Question: JMoveWriter implements RefactoringsWriter { @Override public void writeRefactoringsInTextForm(List<RefactoringTextRepresentation> refactorings, Path refactoringsPath) throws IOException { Files.write(refactoringsPath, getRefactoringsInJMoveFormat(refactorings)); } @Override String getName(); @Override vo...
### Question: InputSessionValidator { public void validate(Iterable<String> input) { List<EventLine> errorSession = new ArrayList<>(); List<EventLine> validSession = new ArrayList<>(); for (String line : input) { if (line.trim().isEmpty()) continue; String[] fields = line.split("\t", -1); if (!isFormattedCorrectly(fiel...
### Question: JBWriter implements RefactoringsWriter { @Override public void writeRefactoringsInTextForm(List<RefactoringTextRepresentation> refactorings, Path refactoringsPath) throws IOException { Files.write(refactoringsPath, Collections.singleton(JSON_CONVERTER.toJson(refactorings))); } @Override void write(List<M...