org.openanzo.server.repository.graph
Class SystemGraph

java.lang.Object
  org.openanzo.server.repository.graph.SystemGraph

public class SystemGraph
extends java.lang.Object

Materialization of Anzo System data

Author:

Joe Betz, Matthew Roy ( mroy@cambridgesemantics.com )

Constructor Summary

SystemGraph()

Method Summary

static java.lang.Iterable<Quad>

findQuads(RepositoryConnection repositoryConnection, org.openrdf.model.Resource subj, org.openrdf.model.URI prop, org.openrdf.model.Value obj, java.lang.Long namedGraphId, boolean includeInferredStatements, java.lang.Long lastTransactionTime, boolean defaultGraphs, boolean includeStandardData) Find the quads that match the provided statement pattern

Methods inherited from class java.lang.Object

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

Constructor Detail

SystemGraph

public SystemGraph()

Method Detail

findQuads

public static java.lang.Iterable<Quad> findQuads(RepositoryConnection repositoryConnection,
                                                 org.openrdf.model.Resource subj,
                                                 org.openrdf.model.URI prop,
                                                 org.openrdf.model.Value obj,
                                                 java.lang.Long namedGraphId,
                                                 boolean includeInferredStatements,
                                                 java.lang.Long lastTransactionTime,
                                                 boolean defaultGraphs,
                                                 boolean includeStandardData)
                                          throws AnzoException

Find the quads that match the provided statement pattern

Parameters:

repositoryConnection - connection to database

subj - subject of statement, or wildcard if null

prop - property of statement, or wildcard if null

obj - object of statement, or wildcard if null

namedGraphId - ID for statement's namedgraph, or wildcard if null

includeInferredStatements - include inferred triples in search results

lastTransactionTime - timestamp to use in queries

includeStandardData - include the System Graph's statements about itself, ie the System Graph's acl and metadata

defaultGraphs - search for graphs in the defaultGraph temporary table, or the namedGraph temporary table

Returns:

quads that match the provided statement pattern

Throws:

AnzoException