Uses of Interface
com.bigdata.relation.IRelation

Packages that use IRelation

Package	Description
com.bigdata.bop	This package provides an API for query operators.
com.bigdata.bop.ap
com.bigdata.bop.fed.shards
com.bigdata.bop.join
com.bigdata.rdf.lexicon
com.bigdata.rdf.rules
com.bigdata.rdf.spo	This package defines a statement model using long term identifiers rather than RDF Value objects.
com.bigdata.rdf.store	This package provides several realizations of an RDF database using the bigdata architecture, including one suitable for temporary data, one suitable for local processing (single host), and one designed for scale-out on commodity hardware.
com.bigdata.relation	This package includes an abstraction layer for relations.
com.bigdata.relation.accesspath	This package includes an abstraction layer for efficient access paths, including chunked iterators, blocking buffers, and an abstraction corresponding to the natural order of an index.
com.bigdata.relation.rule.eval	This package supports rule evaluation.
com.bigdata.relation.rule.eval.pipeline	This package implements a pipeline join.
com.bigdata.search	This package provides full text indexing and search.

Uses of IRelation in com.bigdata.bop

Methods in com.bigdata.bop that return IRelation

Modifier and Type	Method and Description
<E> IRelation<E>	BOpContextBase.getRelation(IPredicate<E> pred) Locate and return the view of the relation identified by the IPredicate.

Methods in com.bigdata.bop with parameters of type IRelation

Modifier and Type	Method and Description
<E> IAccessPath<E>	BOpContextBase.getAccessPath(IRelation<E> relation, IPredicate<E> predicate) Obtain an access path reading from the identified IRelation using the specified IPredicate.

Uses of IRelation in com.bigdata.bop.ap

Classes in com.bigdata.bop.ap that implement IRelation

Modifier and Type	Class and Description
class	R Test relation composed of E elements with a single primary index.

Uses of IRelation in com.bigdata.bop.fed.shards

Fields in com.bigdata.bop.fed.shards declared as IRelation

Modifier and Type	Field and Description
protected IRelation<F>	MapBindingSetsOverShardsBuffer.relation A scale-out view of the target relation.

Uses of IRelation in com.bigdata.bop.join

Fields in com.bigdata.bop.join declared as IRelation

Modifier and Type	Field and Description
protected IRelation<E>	FastRangeCountOp.ChunkTask.relation The relation associated with the FastRangeCountOp.ChunkTask.predicate operand.

Uses of IRelation in com.bigdata.rdf.lexicon

Classes in com.bigdata.rdf.lexicon that implement IRelation

Modifier and Type	Class and Description
class	BigdataSubjectCentricFullTextIndex Implementation based on the built-in keyword search capabilities for bigdata.
class	BigdataValueCentricFullTextIndex Implementation based on the built-in keyword search capabilities for bigdata.
class	LexiconRelation The LexiconRelation handles all things related to the indices mapping external RDF Values onto IVs (internal values)s and provides methods for efficient materialization of external RDF Values from IVs.

Uses of IRelation in com.bigdata.rdf.rules

Methods in com.bigdata.rdf.rules that return IRelation

Modifier and Type	Method and Description
protected IRelation<ISPO>	AbstractRuleFastClosure_3_5_6_7_9.FastClosureRuleTask.getView() Return the IRelation (or RelationFusedView) used by the AbstractRuleFastClosure_3_5_6_7_9.FastClosureRuleTask.getSet() impls for their IAccessPaths.

Methods in com.bigdata.rdf.rules with parameters of type IRelation

Modifier and Type	Method and Description
IAccessPath	RDFJoinNexus.getTailAccessPath(IRelation relation, IPredicate predicate) When RDFJoinNexus.backchain is true and the tail predicate is reading on the SPORelation, then the IAccessPath is wrapped so that the iterator will visit the backchained inferences as well.

Constructors in com.bigdata.rdf.rules with parameters of type IRelation

Constructor and Description
AbstractRuleFastClosure_3_5_6_7_9.SubPropertiesOfClosureTask(IRelation<ISPO> view, IConstant<IV> rdfsSubPropertyOf, IConstant<IV> p)
AbstractRuleFastClosure_3_5_6_7_9.SubPropertyClosureTask(IRelation<ISPO> view, IConstant<IV> rdfsSubPropertyOf)

Uses of IRelation in com.bigdata.rdf.spo

Classes in com.bigdata.rdf.spo that implement IRelation

Modifier and Type	Class and Description
class	SPORelation The SPORelation handles all things related to the indices representing the triples stored in the database.

Constructors in com.bigdata.rdf.spo with parameters of type IRelation

Constructor and Description
SPOAccessPath(IRelation<ISPO> relation, IIndexManager localIndexManager, IPredicate<ISPO> predicate, IKeyOrder<ISPO> keyOrder)

Uses of IRelation in com.bigdata.rdf.store

Methods in com.bigdata.rdf.store that return types with arguments of type IRelation

Modifier and Type	Method and Description
Iterator<IRelation>	AbstractTripleStore.relations()

Uses of IRelation in com.bigdata.relation

Subinterfaces of IRelation in com.bigdata.relation

Modifier and Type	Interface and Description
interface	IMutableRelation<E> A mutable IRelation.

Classes in com.bigdata.relation that implement IRelation

Modifier and Type	Class and Description
class	AbstractRelation<E> Base class for IRelation and IMutableRelation impls.
class	RelationFusedView<E> Deprecated. by BOps using the UNION of JOINs. However, also note that this is only used for TM and that the focus store is always local for TM.

Methods in com.bigdata.relation that return IRelation

Modifier and Type	Method and Description
IRelation<E>	RelationFusedView.getRelation1() Deprecated.
IRelation<E>	RelationFusedView.getRelation2() Deprecated.

Methods in com.bigdata.relation that return types with arguments of type IRelation

Modifier and Type	Method and Description
Iterator<IRelation>	IDatabase.relations() Visits the logically contained IRelation resources.

Methods in com.bigdata.relation with parameters of type IRelation

Modifier and Type	Method and Description
static <E> String	AbstractRelation.getFQN(IRelation<E> relation, IKeyOrder<? extends E> keyOrder) The fully qualified name of the index.
static <E> String	AbstractRelation.getFQN(IRelation<E> relation, String localName) The fully qualified name of the index.

Constructors in com.bigdata.relation with parameters of type IRelation

Constructor and Description
RelationFusedView(IRelation<E> relation1, IRelation<E> relation2) Deprecated.
RelationFusedView(IRelation<E> relation1, IRelation<E> relation2) Deprecated.

Uses of IRelation in com.bigdata.relation.accesspath

Methods in com.bigdata.relation.accesspath that return IRelation

Modifier and Type	Method and Description
IRelation<R>	AccessPath.getRelation()

Constructors in com.bigdata.relation.accesspath with parameters of type IRelation

Constructor and Description
AccessPath(IRelation<R> relation, IIndexManager localIndexManager, IPredicate<R> predicate, IKeyOrder<R> keyOrder)

Uses of IRelation in com.bigdata.relation.rule.eval

Methods in com.bigdata.relation.rule.eval that return IRelation

Modifier and Type	Method and Description
IRelation	AbstractJoinNexus.getHeadRelationView(IPredicate pred) The head relation is what we write on for mutation operations and is also responsible for minting new elements from computed ISolutions.
IRelation	IJoinNexus.getHeadRelationView(IPredicate pred) Locate and return the view of the relation identified by the IPredicate.
IRelation	AbstractJoinNexus.getTailRelationView(IPredicate pred)
IRelation	IJoinNexus.getTailRelationView(IPredicate pred) Locate and return the view of the relation(s) identified by the IPredicate.

Methods in com.bigdata.relation.rule.eval that return types with arguments of type IRelation

Modifier and Type	Method and Description
protected Map<String,IRelation>	AbstractStepTask.getReadRelations(IIndexManager indexManager, IStep step, long timestamp) Locate the distinct relation identifiers corresponding to the tail(s) of each rule and resolve them to their relations.
protected Map<String,IRelation>	AbstractStepTask.getWriteRelations(IIndexManager indexManager, IStep step, long timestamp) Locate the distinct relation identifiers corresponding to the head of each rule and resolve them to their relations.

Methods in com.bigdata.relation.rule.eval with parameters of type IRelation

Modifier and Type	Method and Description
IAccessPath	AbstractJoinNexus.getTailAccessPath(IRelation relation, IPredicate predicate)
IAccessPath	IJoinNexus.getTailAccessPath(IRelation relation, IPredicate pred) Obtain an access path reading from relation for the specified predicate (from the tail of some rule).

Method parameters in com.bigdata.relation.rule.eval with type arguments of type IRelation

Modifier and Type	Method and Description
protected Set<String>	AbstractStepTask.getIndexNames(Collection<IRelation> c) Returns the names of the indices maintained by the relations.
protected Map<String,IBuffer<ISolution[]>>	AbstractStepTask.getMutationBuffers(IJoinNexus joinNexus, Map<String,IRelation> relations) Create the appropriate buffers to absorb writes by the rules in the program that target an IMutableRelation.

Uses of IRelation in com.bigdata.relation.rule.eval.pipeline

Fields in com.bigdata.relation.rule.eval.pipeline declared as IRelation

Modifier and Type	Field and Description
protected IRelation<?>	JoinTask.relation The IRelation view on which we are reading for this join dimensions.

Uses of IRelation in com.bigdata.search

Classes in com.bigdata.search that implement IRelation

Modifier and Type	Class and Description
class	FullTextIndex<V extends Comparable<V>> Full text indexing and search support.