GraphImpl (Sesame API release 1.2.7)

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org.openrdf.model.impl
Class GraphImpl

java.lang.Object
  org.openrdf.model.impl.GraphImpl

All Implemented Interfaces:: Graph

public class GraphImpl
extends Object
implements Graph

GraphImpl - an implementation of the graph interface that uses a local repository as storage backend. GraphImpl is not thread-safe.

Author:: Jeen Broekstra, Arjohn Kampman

Constructor Summary
`GraphImpl()` Creates a new GraphImpl.
`GraphImpl(LocalRepository repository)` Creates a new GraphImpl that uses the supplied LocalRepository as storage backend.
`GraphImpl(RdfRepository sail)` Deprecated. low-level SAIL api should not be exposed in access APIs; use constructor with LocalRepository object instead.

Method Summary
`void`	`add(Collection statements)` Adds all statements in the Collection to the graph.
`void`	`add(Collection statements, boolean joinBlankNodes)` Adds all statements in the Collection to the graph.
`void`	`add(Graph graph)` Adds all statements in the supplied graph to this graph.
`void`	`add(Graph graph, boolean joinBlankNodes)` Adds all statements in the supplied graph to this graph.
`void`	`add(Resource subject, URI predicate, Value object)` Adds a single statement to the graph.
`void`	`add(Statement st)` Adds a single statement to the graph.
`void`	`add(StatementIterator iterator)` Adds all statements in the iterator to the graph.
`void`	`add(StatementIterator iterator, boolean joinBlankNodes)` Adds all statements in the iterator to the graph.
`void`	`clear()` Clears the graph.
`boolean`	`contains(Resource subject, URI predicate, Value object)` Checks if a statement matching the (subject, predicate, object) pattern is present in the graph.
`boolean`	`contains(Statement st)` Checks if the supplied statement is present in the graph.
`Collection`	`getStatementCollection(Resource subject, URI predicate, Value object)` Retrieves all statements matching the (subject, predicate, object) pattern in the graph as a Collection.
`StatementIterator`	`getStatements()` Retrieves all statements in the graph as an iterator
`StatementIterator`	`getStatements(Resource subject, URI predicate, Value object)` Retrieves all statements matching the (subject, predicate, object) pattern in the graph as an iterator.
`ValueFactory`	`getValueFactory()` Retrieves a ValueFactory for this graph.
`int`	`remove(Graph graph)` Remove all statements in the supplied graph from this graph.
`int`	`remove(Resource subject, URI predicate, Value object)` Remove all statements matching the (subject, predicate, object) pattern from the graph.
`int`	`remove(Statement st)` Remove the supplied statement from the graph.
`int`	`remove(StatementIterator iterator)` Remove all statements in the StatementIterator from the graph.

Methods inherited from class java.lang.Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

GraphImpl

public GraphImpl()

Creates a new GraphImpl. The GraphImpl uses an in-memory RdfRepository as storage backend.

GraphImpl

public GraphImpl(LocalRepository repository)

Creates a new GraphImpl that uses the supplied LocalRepository as storage backend.
Parameters:: repository - The LocalRepository to be used as backend.

GraphImpl

public GraphImpl(RdfRepository sail)

Deprecated. low-level SAIL api should not be exposed in access APIs; use constructor with LocalRepository object instead.; Creates a new GraphImpl that uses the supplied Sail as storage backend. The constructor assumes the supplied Sail is initialized.
Parameters:: sail - the Sail object to be used as storage backend

Method Detail