Module org.apache.jena.arq

Package org.apache.jena.sparql.engine

Class ExecutionContext

java.lang.Object

org.apache.jena.sparql.engine.ExecutionContext

All Implemented Interfaces:

FunctionEnv

public class ExecutionContext
extends Object
implements FunctionEnv

Constructor Summary

Constructors

Constructor	Description
ExecutionContext(DatasetGraph dataset)	Deprecated, for removal: This API element is subject to removal in a future version. Use create(DatasetGraph)
ExecutionContext(DatasetGraph dataset, OpExecutorFactory factory)	Deprecated, for removal: This API element is subject to removal in a future version. Use create(DatasetGraph)
ExecutionContext(ExecutionContext other)	Deprecated. Use copy(ExecutionContext)
ExecutionContext(ExecutionContext other, org.apache.jena.graph.Graph activeGraph)	Deprecated. Use copyChangeActiveGraph(ExecutionContext, Graph).
ExecutionContext(Context params, org.apache.jena.graph.Graph activeGraph, DatasetGraph dataset, OpExecutorFactory factory)	Deprecated. Use a "create" function where possible.
ExecutionContext(Context params, org.apache.jena.graph.Graph activeGraph, DatasetGraph dataset, OpExecutorFactory factory, AtomicBoolean cancelSignal)	Deprecated. This will be changed to be private.

Method Summary

Modifier and Type	Method	Description
void	closedIterator(QueryIterator qIter)
static ExecutionContext	copy(ExecutionContext other)	Clone
static ExecutionContext	copyChangeActiveGraph(ExecutionContext other, org.apache.jena.graph.Graph activeGraph)	Clone and change active graph - shares tracking
static ExecutionContext	create(DatasetGraph dataset)	ExecutionContext for normal execution over a dataset, with defaults for Context and OpExecutorFactory.
static ExecutionContext	create(DatasetGraph dataset, Context context)	ExecutionContext for normal execution over a dataset, with defaults for Context and OpExecutorFactory.
static ExecutionContext	createForGraph(org.apache.jena.graph.Graph graph)	ExecutionContext for normal execution over a graph, with defaults for Context and OpExecutorFactory.
static ExecutionContext	createForGraph(org.apache.jena.graph.Graph graph, Context cxt)	ExecutionContext for normal execution over a graph.
static ExecutionContext	fromFunctionEnv(FunctionEnv functionEnv)	Create ExecutionContext from FunctionEnv
org.apache.jena.graph.Graph	getActiveGraph()	Return the active graph (the one matching is against at this point in the query.
AtomicBoolean	getCancelSignal()
Context	getContext()	Return the context for this function call
DatasetGraph	getDataset()	Return the dataset for the query
OpExecutorFactory	getExecutor()
Iterator<QueryIterator>	listAllIterators()
Iterator<QueryIterator>	listOpenIterators()
void	openIterator(QueryIterator qIter)
void	setExecutor(OpExecutorFactory executor)	Setter for the policy for algebra expression evaluation - use with care

Methods inherited from class java.lang.Object

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

Constructor Details

ExecutionContext

@Deprecated
public ExecutionContext(ExecutionContext other)

Deprecated.

Use copy(ExecutionContext)

ExecutionContext

@Deprecated
public ExecutionContext(ExecutionContext other,
 org.apache.jena.graph.Graph activeGraph)

Deprecated.

Use copyChangeActiveGraph(ExecutionContext, Graph).

Clone and change active graph - shares tracking

ExecutionContext

@Deprecated(forRemoval=true)
public ExecutionContext(DatasetGraph dataset)

Deprecated, for removal: This API element is subject to removal in a future version.

Use create(DatasetGraph)

Setup with defaults of global settings

ExecutionContext

@Deprecated(forRemoval=true)
public ExecutionContext(DatasetGraph dataset,
 OpExecutorFactory factory)

Deprecated, for removal: This API element is subject to removal in a future version.

Use create(DatasetGraph)

Setup with defaults of global settings but explicit OpExecutorFactory.

ExecutionContext

@Deprecated
public ExecutionContext(Context params,
 org.apache.jena.graph.Graph activeGraph,
 DatasetGraph dataset,
 OpExecutorFactory factory)

Deprecated.

Use a "create" function where possible.

ExecutionContext

@Deprecated
public ExecutionContext(Context params,
 org.apache.jena.graph.Graph activeGraph,
 DatasetGraph dataset,
 OpExecutorFactory factory,
 AtomicBoolean cancelSignal)

Deprecated.

This will be changed to be private.

Method Details

copy

public static ExecutionContext copy(ExecutionContext other)

Clone

fromFunctionEnv

public static ExecutionContext fromFunctionEnv(FunctionEnv functionEnv)

Create ExecutionContext from FunctionEnv

copyChangeActiveGraph

public static ExecutionContext copyChangeActiveGraph(ExecutionContext other,
 org.apache.jena.graph.Graph activeGraph)

Clone and change active graph - shares tracking

create

public static ExecutionContext create(DatasetGraph dataset)

ExecutionContext for normal execution over a dataset, with defaults for Context and OpExecutorFactory.

create

public static ExecutionContext create(DatasetGraph dataset,
 Context context)

ExecutionContext for normal execution over a dataset, with defaults for Context and OpExecutorFactory.

createForGraph

public static ExecutionContext createForGraph(org.apache.jena.graph.Graph graph)

ExecutionContext for normal execution over a graph, with defaults for Context and OpExecutorFactory.

createForGraph

public static ExecutionContext createForGraph(org.apache.jena.graph.Graph graph,
 Context cxt)

ExecutionContext for normal execution over a graph.

getContext

public Context getContext()

Description copied from interface: FunctionEnv

Return the context for this function call

Specified by:

getContext in interface FunctionEnv

getCancelSignal

public AtomicBoolean getCancelSignal()

openIterator

public void openIterator(QueryIterator qIter)

closedIterator

public void closedIterator(QueryIterator qIter)

listOpenIterators

public Iterator<QueryIterator> listOpenIterators()

listAllIterators

public Iterator<QueryIterator> listAllIterators()

getExecutor

public OpExecutorFactory getExecutor()

setExecutor

public void setExecutor(OpExecutorFactory executor)

Setter for the policy for algebra expression evaluation - use with care

getDataset

public DatasetGraph getDataset()

Description copied from interface: FunctionEnv

Return the dataset for the query

Specified by:

getDataset in interface FunctionEnv

getActiveGraph

public org.apache.jena.graph.Graph getActiveGraph()

Return the active graph (the one matching is against at this point in the query. May be null if unknown or not applicable - for example, doing quad store access or when sorting

Specified by:

getActiveGraph in interface FunctionEnv