| Package | +Description | +
|---|---|
| org.janusgraph.core | ++ |
| org.janusgraph.diskstorage.indexing | ++ |
| org.janusgraph.graphdb.database | ++ |
| org.janusgraph.graphdb.database.index | ++ |
| org.janusgraph.graphdb.database.util | ++ |
| org.janusgraph.graphdb.internal | ++ |
| org.janusgraph.graphdb.olap.computer | ++ |
| org.janusgraph.graphdb.query | ++ |
| org.janusgraph.graphdb.query.condition | ++ |
| org.janusgraph.graphdb.query.graph | ++ |
| org.janusgraph.graphdb.query.index | ++ |
| org.janusgraph.graphdb.relations | ++ |
| org.janusgraph.graphdb.tinkerpop.optimize.step.fetcher | ++ |
| org.janusgraph.graphdb.transaction | ++ |
| org.janusgraph.graphdb.types | ++ |
| org.janusgraph.graphdb.types.system | ++ |
| org.janusgraph.graphdb.types.vertices | ++ |
| org.janusgraph.graphdb.util | ++ |
| org.janusgraph.graphdb.vertices | ++ |
| Modifier and Type | +Interface and Description | +
|---|---|
interface |
+EdgeLabel
+EdgeLabel is an extension of
+RelationType for edges. |
+
interface |
+JanusGraphEdge
+A JanusGraphEdge connects two
+JanusGraphVertex. |
+
interface |
+JanusGraphRelation
+JanusGraphRelation is the most abstract form of a relation between a vertex and some other entity, where
+ relation is understood in its mathematical sense.
+ |
+
interface |
+JanusGraphVertex
+JanusGraphVertex is the basic unit of a
+JanusGraph. |
+
interface |
+JanusGraphVertexProperty<V>
+JanusGraphProperty is a
+JanusGraphRelation connecting a vertex to a value. |
+
interface |
+PropertyKey
+PropertyKey is an extension of
+RelationType for properties. |
+
interface |
+RelationType
+RelationType defines the schema for
+JanusGraphRelation. |
+
interface |
+VertexLabel
+A vertex label is a label attached to vertices in a JanusGraph graph.
+ |
+
| Modifier and Type | +Class and Description | +
|---|---|
class |
+EmptyJanusGraphVertexProperty<V> |
+
class |
+JanusGraphLazyEdge |
+
class |
+JanusGraphLazyRelation<V> |
+
class |
+JanusGraphLazyVertexProperty<V> |
+
| Modifier and Type | +Method and Description | +
|---|---|
JanusGraphElement |
+InvalidElementException.getElement()
+Returns the element causing the exception
+ |
+
| Modifier and Type | +Method and Description | +
|---|---|
static IllegalStateException |
+InvalidElementException.removedException(JanusGraphElement element) |
+
| Constructor and Description | +
|---|
InvalidElementException(String msg,
+ JanusGraphElement element) |
+
| Modifier and Type | +Method and Description | +
|---|---|
Condition<JanusGraphElement> |
+IndexQuery.getCondition() |
+
| Modifier and Type | +Method and Description | +
|---|---|
Set<IndexUpdate<StaticBuffer,Entry>> |
+IndexSerializer.reindexElement(JanusGraphElement element,
+ CompositeIndexType index,
+ TypeInspector typeInspector) |
+
boolean |
+IndexSerializer.reindexElement(JanusGraphElement element,
+ MixedIndexType index,
+ Map<String,Map<String,List<IndexEntry>>> documentsPerStore) |
+
| Modifier and Type | +Method and Description | +
|---|---|
JanusGraphElement |
+IndexUpdate.getElement() |
+
| Constructor and Description | +
|---|
IndexUpdate(IndexType index,
+ IndexMutationType mutationType,
+ K key,
+ E entry,
+ JanusGraphElement element) |
+
| Modifier and Type | +Method and Description | +
|---|---|
static String |
+IndexRecordUtil.element2String(JanusGraphElement element) |
+
static void |
+StaleIndexRecordUtil.forceRemoveElementFromGraphIndex(JanusGraphElement elementToRemoveFromIndex,
+ IndexRecordEntry[] indexRecord,
+ StandardJanusGraph graph,
+ String graphIndexName)
+Force removes element record from a graph index.
+ |
+
static IndexUpdate<StaticBuffer,Entry> |
+IndexRecordUtil.getCompositeIndexUpdate(CompositeIndexType index,
+ IndexMutationType indexMutationType,
+ IndexRecordEntry[] record,
+ JanusGraphElement element,
+ Serializer serializer,
+ TypeInspector typeInspector,
+ EdgeSerializer edgeSerializer,
+ boolean hashKeys,
+ HashingUtil.HashLength hashLength) |
+
static List<Entry> |
+IndexRecordUtil.getInlineProperties(JanusGraphElement element,
+ CompositeIndexType index,
+ TypeInspector typeInspector,
+ EdgeSerializer edgeSerializer) |
+
static IndexUpdate<String,IndexEntry> |
+IndexRecordUtil.getMixedIndexUpdate(JanusGraphElement element,
+ PropertyKey key,
+ Object value,
+ MixedIndexType index,
+ IndexMutationType updateType) |
+
boolean |
+IndexAppliesToFunction.indexAppliesTo(IndexType index,
+ JanusGraphElement element) |
+
static boolean |
+IndexRecordUtil.indexAppliesTo(IndexType index,
+ JanusGraphElement element) |
+
static boolean |
+IndexRecordUtil.indexAppliesToWithoutConstraints(IndexType index,
+ JanusGraphElement element) |
+
static boolean |
+IndexRecordUtil.indexMatchesConstraints(IndexType index,
+ JanusGraphElement element) |
+
| Modifier and Type | +Interface and Description | +
|---|---|
interface |
+InternalElement
+Internal Element interface adding methods that should only be used by JanusGraph
+ |
+
interface |
+InternalRelation
+Internal Relation interface adding methods that should only be used by JanusGraph.
+ |
+
interface |
+InternalRelationType
+Internal Type interface adding methods that should only be used by JanusGraph
+ |
+
interface |
+InternalVertex
+Internal Vertex interface adding methods that should only be used by JanusGraph
+ |
+
interface |
+InternalVertexLabel |
+
| Modifier and Type | +Class and Description | +
|---|---|
class |
+AbstractElement
+AbstractElement is the base class for all elements in JanusGraph.
+ |
+
| Modifier and Type | +Method and Description | +
|---|---|
JanusGraphElement |
+ElementCategory.retrieve(Object elementId,
+ JanusGraphTransaction tx) |
+
| Modifier and Type | +Method and Description | +
|---|---|
int |
+OrderList.compare(JanusGraphElement o1,
+ JanusGraphElement o2) |
+
int |
+OrderList.OrderEntry.compare(JanusGraphElement o1,
+ JanusGraphElement o2) |
+
static int |
+AbstractElement.compare(JanusGraphElement e1,
+ JanusGraphElement e2) |
+
int |
+AbstractElement.compareTo(JanusGraphElement other) |
+
boolean |
+ElementCategory.isInstance(JanusGraphElement element) |
+
boolean |
+ElementCategory.matchesConstraint(JanusGraphSchemaType type,
+ JanusGraphElement element) |
+
| Modifier and Type | +Class and Description | +
|---|---|
class |
+FulgoraVertexProperty<V> |
+
| Modifier and Type | +Interface and Description | +
|---|---|
interface |
+ElementQuery<R extends JanusGraphElement,B extends BackendQuery<B>>
+A query that returns
+JanusGraphElements. |
+
class |
+MetricsQueryExecutor<Q extends ElementQuery,R extends JanusGraphElement,B extends BackendQuery>
+Wraps a
+QueryExecutor to gather metrics on the query execution and forward them to METRICS. |
+
interface |
+QueryExecutor<Q extends ElementQuery,R extends JanusGraphElement,B extends BackendQuery>
+Executes a given query and its subqueries against an underlying data store and transaction.
+ |
+
class |
+QueryProcessor<Q extends ElementQuery<R,B>,R extends JanusGraphElement,B extends BackendQuery<B>>
+Executes a given
+ElementQuery against a provided QueryExecutor to produce the result set of elements. |
+
class |
+ResultSetIterator<R extends JanusGraphElement>
+Wraps around a result set iterator to return up to the specified limit number of elements
+ and implement the
+Iterator.remove() method based on element's remove method. |
+
| Modifier and Type | +Method and Description | +
|---|---|
static <E extends JanusGraphElement> |
+QueryUtil.constraints2QNF(StandardJanusGraphTx tx,
+ List<PredicateCondition<String,E>> constraints)
+Prepares the constraints from the query builder into a QNF compliant condition.
+ |
+
static <E extends JanusGraphElement> |
+QueryUtil.simplifyAnd(And<E> condition) |
+
static <R extends JanusGraphElement> |
+ResultSetIterator.wrap(Iterable<R> inner,
+ int limit) |
+
| Modifier and Type | +Class and Description | +
|---|---|
class |
+And<E extends JanusGraphElement>
+Combines multiple conditions under semantic AND, i.e. all conditions must be true for this combination to be true
+ |
+
interface |
+Condition<E extends JanusGraphElement>
+A logical condition which evaluates against a provided element to true or false.
+ |
+
class |
+FixedCondition<E extends JanusGraphElement>
+A fixed valued literal, which always returns either true or false irrespective of the element which is evaluated.
+ |
+
class |
+Literal<E extends JanusGraphElement>
+Abstract literal condition.
+ |
+
class |
+MultiCondition<E extends JanusGraphElement>
+Abstract condition element that combines multiple conditions (for instance, AND, OR).
+ |
+
class |
+Not<E extends JanusGraphElement>
+Negates the wrapped condition, i.e. semantic NOT
+ |
+
class |
+Or<E extends JanusGraphElement>
+Combines multiple conditions under semantic OR, i.e. at least one condition must be true for this combination to be true
+ |
+
class |
+PredicateCondition<K,E extends JanusGraphElement> |
+
class |
+RelationTypeCondition<E extends JanusGraphElement> |
+
class |
+VisibilityFilterCondition<E extends JanusGraphElement>
+Evaluates elements based on their visibility
+ |
+
| Modifier and Type | +Method and Description | +
|---|---|
static <E extends JanusGraphElement> |
+ConditionUtil.literalTransformation(Condition<E> condition,
+ com.google.common.base.Function<Condition<E>,Condition<E>> transformation) |
+
static <E extends JanusGraphElement> |
+Or.of(Condition<E>... elements) |
+
static <E extends JanusGraphElement> |
+And.of(Condition<E>... elements) |
+
static <E extends JanusGraphElement> |
+Not.of(Condition<E> element) |
+
static <K,E extends JanusGraphElement> |
+PredicateCondition.of(K key,
+ JanusGraphPredicate janusgraphPredicate,
+ Object condition) |
+
static <E extends JanusGraphElement> |
+ConditionUtil.transformation(Condition<E> condition,
+ com.google.common.base.Function<Condition<E>,Condition<E>> transformation) |
+
static <E extends JanusGraphElement> |
+ConditionUtil.traversal(Condition<E> condition,
+ Predicate<Condition<E>> evaluator) |
+
| Modifier and Type | +Method and Description | +
|---|---|
<E extends JanusGraphElement> |
+GraphCentricQueryBuilder.iterables(GraphCentricQuery query,
+ Class<E> aClass) |
+
| Modifier and Type | +Method and Description | +
|---|---|
Condition<JanusGraphElement> |
+GraphCentricQuery.getCondition() |
+
List<PredicateCondition<String,JanusGraphElement>> |
+GraphCentricQueryBuilder.getConstraints() |
+
Comparator<JanusGraphElement> |
+GraphCentricQuery.getSortOrder() |
+
| Modifier and Type | +Method and Description | +
|---|---|
boolean |
+GraphCentricQuery.matches(JanusGraphElement element) |
+
| Constructor and Description | +
|---|
GraphCentricQuery(ElementCategory resultType,
+ Condition<JanusGraphElement> condition,
+ OrderList orders,
+ BackendQueryHolder<JointIndexQuery> indexQuery,
+ int limit) |
+
| Modifier and Type | +Method and Description | +
|---|---|
protected IndexCandidate |
+AbstractIndexSelectionStrategy.createIndexCandidate(IndexType index,
+ MultiCondition<JanusGraphElement> conditions,
+ IndexSerializer serializer)
+Creates an
+IndexCandidate from a MultiCondition which it covers. |
+
protected Set<IndexType> |
+AbstractIndexSelectionStrategy.createIndexRawCandidates(MultiCondition<JanusGraphElement> conditions,
+ ElementCategory resultType,
+ IndexSerializer serializer) |
+
static boolean |
+IndexSelectionUtil.existsMatchingIndex(MultiCondition<JanusGraphElement> conditions) |
+
static boolean |
+IndexSelectionUtil.existsMatchingIndex(MultiCondition<JanusGraphElement> conditions,
+ Predicate<IndexType> filter) |
+
static Set<IndexType> |
+IndexSelectionUtil.getMatchingIndexes(MultiCondition<JanusGraphElement> conditions) |
+
static Set<IndexType> |
+IndexSelectionUtil.getMatchingIndexes(MultiCondition<JanusGraphElement> conditions,
+ Predicate<IndexType> filter) |
+
IndexSelectionStrategy.SelectedIndexQuery |
+IndexSelectionStrategy.selectIndices(ElementCategory resultType,
+ MultiCondition<JanusGraphElement> conditions,
+ Set<Condition> coveredClauses,
+ OrderList orders,
+ IndexSerializer serializer) |
+
IndexSelectionStrategy.SelectedIndexQuery |
+AbstractIndexSelectionStrategy.selectIndices(ElementCategory resultType,
+ MultiCondition<JanusGraphElement> conditions,
+ Set<Condition> coveredClauses,
+ OrderList orders,
+ IndexSerializer serializer) |
+
IndexSelectionStrategy.SelectedIndexQuery |
+IndexSelectionStrategy.selectIndices(Set<IndexType> indexCandidates,
+ MultiCondition<JanusGraphElement> conditions,
+ Set<Condition> coveredClauses,
+ OrderList orders,
+ IndexSerializer serializer) |
+
IndexSelectionStrategy.SelectedIndexQuery |
+ThresholdBasedIndexSelectionStrategy.selectIndices(Set<IndexType> indexCandidates,
+ MultiCondition<JanusGraphElement> conditions,
+ Set<Condition> coveredClauses,
+ OrderList orders,
+ IndexSerializer serializer) |
+
IndexSelectionStrategy.SelectedIndexQuery |
+ApproximateIndexSelectionStrategy.selectIndices(Set<IndexType> rawCandidates,
+ MultiCondition<JanusGraphElement> conditions,
+ Set<Condition> coveredClauses,
+ OrderList orders,
+ IndexSerializer serializer)
+Iterate over all potential indexes and compute a score based on how many clauses
+ this index covers.
+ |
+
IndexSelectionStrategy.SelectedIndexQuery |
+BruteForceIndexSelectionStrategy.selectIndices(Set<IndexType> rawCandidates,
+ MultiCondition<JanusGraphElement> conditions,
+ Set<Condition> coveredClauses,
+ OrderList orders,
+ IndexSerializer serializer)
+Determine the best jointIndexQuery by enumerating all possibilities with exponential time
+ complexity.
+ |
+
| Modifier and Type | +Interface and Description | +
|---|---|
interface |
+StandardRelation |
+
| Modifier and Type | +Class and Description | +
|---|---|
class |
+AbstractEdge |
+
class |
+AbstractTypedRelation |
+
class |
+AbstractVertexProperty<V> |
+
class |
+CacheEdge |
+
class |
+CacheVertexProperty |
+
class |
+StandardEdge |
+
class |
+StandardVertexProperty |
+
| Modifier and Type | +Method and Description | +
|---|---|
JanusGraphElement |
+SimpleJanusGraphProperty.element() |
+
| Modifier and Type | +Method and Description | +
|---|---|
protected Map<JanusGraphVertex,Iterable<? extends JanusGraphElement>> |
+VertexStepBatchFetcher.makeQueryAndExecute(JanusGraphMultiVertexQuery multiQuery) |
+
| Modifier and Type | +Field and Description | +
|---|---|
QueryExecutor<GraphCentricQuery,JanusGraphElement,JointIndexQuery> |
+StandardJanusGraphTx.elementProcessor |
+
QueryExecutor<GraphCentricQuery,JanusGraphElement,JointIndexQuery> |
+StandardJanusGraphTx.elementProcessorImpl |
+
| Modifier and Type | +Method and Description | +
|---|---|
Function<Object,? extends JanusGraphElement> |
+StandardJanusGraphTx.getConversionFunction(ElementCategory elementCategory) |
+
| Modifier and Type | +Class and Description | +
|---|---|
class |
+VertexLabelVertex |
+
| Modifier and Type | +Interface and Description | +
|---|---|
interface |
+SystemRelationType |
+
| Modifier and Type | +Class and Description | +
|---|---|
class |
+BaseKey |
+
class |
+BaseLabel |
+
class |
+BaseRelationType |
+
class |
+BaseVertexLabel |
+
class |
+EmptyRelationType |
+
class |
+EmptyVertex |
+
class |
+ImplicitKey |
+
| Modifier and Type | +Class and Description | +
|---|---|
class |
+EdgeLabelVertex |
+
class |
+JanusGraphSchemaVertex |
+
class |
+PropertyKeyVertex |
+
class |
+RelationTypeVertex |
+
| Modifier and Type | +Class and Description | +
|---|---|
class |
+ProfiledIterator<E extends JanusGraphElement> |
+
| Modifier and Type | +Method and Description | +
|---|---|
protected JanusGraphElement |
+SubqueryIterator.computeNext() |
+
| Modifier and Type | +Method and Description | +
|---|---|
static Iterable<Object> |
+ElementHelper.getValues(JanusGraphElement element,
+ PropertyKey key) |
+
| Constructor and Description | +
|---|
SubqueryIterator(JointIndexQuery.Subquery subQuery,
+ IndexSerializer indexSerializer,
+ BackendTransaction backendTx,
+ StandardJanusGraphTx tx,
+ SubqueryCache indexCache,
+ int limit,
+ Function<Object,? extends JanusGraphElement> function,
+ List<Object> otherResults) |
+
| Modifier and Type | +Class and Description | +
|---|---|
class |
+AbstractVertex |
+
class |
+CacheVertex |
+
class |
+PreloadedVertex |
+
class |
+StandardVertex |
+
Copyright © 2012–2024. All rights reserved.
+ +