org.openanzo.common.rdb.container.query
Class FindInferred

java.lang.Object
  org.openanzo.common.rdb.container.query.FindInferred

public class FindInferred
extends java.lang.Object

Set of find operations for both regular finds, as well as find with inferred results.

Author:

Matthew Roy ( mroy@cambridgesemantics.com )

Constructor Summary

FindInferred()

Method Summary

static java.lang.Iterable<Quad>	findStatements(RDBConnection container, org.openrdf.model.Resource subj, org.openrdf.model.URI prop, org.openrdf.model.Value obj, java.lang.Long namedGraphId, int metadataGraph, java.lang.String graphTable) Find statements in container that match pattern.
static java.lang.Iterable<Quad>	findStatements(RDBConnection container, org.openrdf.model.Resource subj, org.openrdf.model.URI prop, org.openrdf.model.Value obj, org.openrdf.model.Resource... contexts) Find all statements in container that match the provided parameters
static java.lang.Iterable<Quad>	findStatementsInferred(RDBConnection container, org.openrdf.model.Resource subj, org.openrdf.model.URI prop, org.openrdf.model.Value obj, java.lang.Long namedGraphId, int metadataGraph, java.lang.String graphTable, org.openrdf.model.Resource ontology) Find statements in container that match pattern.
static java.lang.Iterable<Quad>	findStatementsInferred(RDBConnection container, org.openrdf.model.Resource subj, org.openrdf.model.URI prop, org.openrdf.model.Value obj, org.openrdf.model.Resource[] contexts, org.openrdf.model.Resource ontology) Find all statements in container that match the provided parameters including inferred statements

Methods inherited from class java.lang.Object

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

Constructor Detail

FindInferred

public FindInferred()

Method Detail

findStatementsInferred

public static java.lang.Iterable<Quad> findStatementsInferred(RDBConnection container,
                                                              org.openrdf.model.Resource subj,
                                                              org.openrdf.model.URI prop,
                                                              org.openrdf.model.Value obj,
                                                              org.openrdf.model.Resource[] contexts,
                                                              org.openrdf.model.Resource ontology)
                                                       throws AnzoException

Find all statements in container that match the provided parameters including inferred statements

Parameters:

container - source of data

subj - Subject resource to match, or wildcard if null

prop - Predicate uri to match, or wildcard if null

obj - Object value to match, or wildcard if null

contexts - Context values to match, or wildcard if null

ontology - URI of ontology that contains inferred property and object definitions

Returns:

Iterable set of quads containing results of find operation

Throws:

AnzoException - if there was an error finding statements

findStatementsInferred

public static java.lang.Iterable<Quad> findStatementsInferred(RDBConnection container,
                                                              org.openrdf.model.Resource subj,
                                                              org.openrdf.model.URI prop,
                                                              org.openrdf.model.Value obj,
                                                              java.lang.Long namedGraphId,
                                                              int metadataGraph,
                                                              java.lang.String graphTable,
                                                              org.openrdf.model.Resource ontology)
                                                       throws AnzoException

Find statements in container that match pattern. Include inferred statements.

If graphTable is not null, queries are joined against temporary table containing valid graphs for this query

Else if the namedGraphId is not null, then queries go against only statements that have the specific namedGraphId

Finally, if both the graphTable and namedGraphId are null, query either queries all graphs if metadataGraph==-1, namedGraphs if metadataGraph==0, or metadataGraphs if metadataGraph==1

Parameters:

container - source of data

subj - Subject resource to match, or wildcard if null

prop - Predicate uri to match, or wildcard if null

obj - Object value to match, or wildcard if null

namedGraphId - id of namedGraph to query

metadataGraph - if both the graphTable and namedGraphId are null, query either queries all graphs if metadataGraph==-1, namedGraphs if metadataGraph==0, or metadataGraphs if metadataGraph==1

graphTable - temporary table containing valid graphs for this query *

ontology - URI of ontology that contains inferred property and object definitionss

Returns:

Iterable set of quads containing results of find operation

Throws:

AnzoException - if there was an error finding statements

findStatements

public static java.lang.Iterable<Quad> findStatements(RDBConnection container,
                                                      org.openrdf.model.Resource subj,
                                                      org.openrdf.model.URI prop,
                                                      org.openrdf.model.Value obj,
                                                      org.openrdf.model.Resource... contexts)
                                               throws AnzoException

Find all statements in container that match the provided parameters

Parameters:

container - source of data

subj - Subject resource to match, or wildcard if null

prop - Predicate uri to match, or wildcard if null

obj - Object value to match, or wildcard if null

contexts - Context values to match, or wildcard if null

Returns:

Iterable set of quads containing results of find operation

Throws:

AnzoException - if there was an error finding statements

findStatements

public static java.lang.Iterable<Quad> findStatements(RDBConnection container,
                                                      org.openrdf.model.Resource subj,
                                                      org.openrdf.model.URI prop,
                                                      org.openrdf.model.Value obj,
                                                      java.lang.Long namedGraphId,
                                                      int metadataGraph,
                                                      java.lang.String graphTable)
                                               throws AnzoException

Find statements in container that match pattern.

If graphTable is not null, queries are joined against temporary table containing valid graphs for this query

Else if the namedGraphId is not null, then queries go against only statements that have the specific namedGraphId

Finally, if both the graphTable and namedGraphId are null, query either queries all graphs if metadataGraph==-1, namedGraphs if metadataGraph==0, or metadataGraphs if metadataGraph==1

Parameters:

container - source of data

subj - Subject resource to match, or wildcard if null

prop - Predicate uri to match, or wildcard if null

obj - Object value to match, or wildcard if null

namedGraphId - id of namedGraph to query

metadataGraph - if both the graphTable and namedGraphId are null, query either queries all graphs if metadataGraph==-1, namedGraphs if metadataGraph==0, or metadataGraphs if metadataGraph==1

graphTable - temporary table containing valid graphs for this query

Returns:

Iterable set of quads containing results of find operation

Throws:

AnzoException - if there was an error finding statements