com.bigdata.rdf.sparql.ast

Class GraphManagement

java.lang.Object

com.bigdata.bop.CoreBaseBOp

com.bigdata.bop.ModifiableBOpBase

com.bigdata.rdf.sparql.ast.ASTBase

com.bigdata.rdf.sparql.ast.QueryNodeBase

com.bigdata.rdf.sparql.ast.GroupMemberNodeBase<IGroupMemberNode>

com.bigdata.rdf.sparql.ast.Update

com.bigdata.rdf.sparql.ast.GraphManagement

All Implemented Interfaces:

BOp, IGroupMemberNode, IQueryNode, IVariableBindingRequirements, IPropertySet, Serializable, Cloneable

Direct Known Subclasses:

AbstractFromToGraphManagement, AbstractOneGraphManagement

public abstract class GraphManagement
extends Update

A Graph Management operation.

Version:

$Id$

Author:

Bryan Thompson

See Also:

Serialized Form

Field Summary

Fields inherited from class com.bigdata.bop.CoreBaseBOp

DEFAULT_INITIAL_CAPACITY

Fields inherited from interface com.bigdata.bop.BOp

NOANNS, NOARGS

Constructor Summary

Constructors

Constructor and Description
GraphManagement(BOp[] args, Map<String,Object> anns)
GraphManagement(GraphManagement op)
GraphManagement(UpdateType updateType)

Method Summary

Methods

Modifier and Type	Method and Description
Set<IVariable<?>>	getDesiredBound(StaticAnalysis sa) Get variables that are not required to be bound, but desired in the sense that we want them to be bound when evaluating the construct.
Set<IVariable<?>>	getRequiredBound(StaticAnalysis sa) Return the variables used in the node that *must* be bound prior to evaluating the node.
boolean	isSilent() The "SILENT" option (default false) (for operations which have this concept).
void	setSilent(boolean silent)

Methods inherited from class com.bigdata.rdf.sparql.ast.Update

getDatasetClauses, getSourceGraph, getTargetGraph, getUpdateType, setDatasetClauses, setSourceGraph, setTargetGraph

Methods inherited from class com.bigdata.rdf.sparql.ast.GroupMemberNodeBase

getContext, getParent, getParentGraphPatternGroup, getParentJoinGroup, setParent

Methods inherited from class com.bigdata.rdf.sparql.ast.QueryNodeBase

getQueryHints, toString

Methods inherited from class com.bigdata.rdf.sparql.ast.ASTBase

addExplainHint, getExplainHints, getQueryHint, getQueryHint, getQueryHintAsBoolean, getQueryHintAsBoolean, getQueryHintAsInteger, replaceAllWith, setQueryHint, setQueryHints

Methods inherited from class com.bigdata.bop.ModifiableBOpBase

addArg, addArg, addArgIfAbsent, annotations, annotationsEqual, argIterator, args, arity, clearProperty, copyAll, get, getProperty, indexOf, removeArg, replaceWith, setArg, setArgs, setId, setProperty, setUnboundProperty, toArray, toArray

Methods inherited from class com.bigdata.bop.CoreBaseBOp

annotationsEqual, annotationsToString, annotationsToString, annotationValueToString, checkArgs, clone, equals, getEvaluationContext, getId, getProperty, getRequiredProperty, hashCode, indent, isController, mutation, shortenName, toShortString, toString

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface com.bigdata.rdf.sparql.ast.IQueryNode

toString

Methods inherited from interface com.bigdata.bop.BOp

annotations, argIterator, args, arity, clone, get, getEvaluationContext, getId, getProperty, getRequiredProperty, isController, setProperty, toArray, toArray, toShortString, toString

Methods inherited from interface cutthecrap.utils.striterators.IPropertySet

getProperty

Constructor Detail

GraphManagement

public GraphManagement(UpdateType updateType)

Parameters:

updateType -

GraphManagement

public GraphManagement(GraphManagement op)

Parameters:

op -

GraphManagement

public GraphManagement(BOp[] args,
               Map<String,Object> anns)

Parameters:

args -

anns -

Method Detail

isSilent

public final boolean isSilent()

Description copied from class: Update

The "SILENT" option (default false) (for operations which have this concept).

Overrides:

isSilent in class Update

setSilent

public final void setSilent(boolean silent)

Overrides:

setSilent in class Update

getRequiredBound

public Set<IVariable<?>> getRequiredBound(StaticAnalysis sa)

Description copied from interface: IVariableBindingRequirements

Return the variables used in the node that *must* be bound prior to evaluating the node. For instance, when evaluation a SPARQL 1.1 service and the endpoint is specified through a variable, then this variable must be bound in order to identify the endpoint to which the query is to be sent. By *must* be bound we mean that, if it is possible to bring the variables in a join group in order such that they are bound when executing the construct (e.g., think of a FILTER), then we *must* consider that. However, when the IVariableBindingRequirements#getRequiredBound() interface cannot be satisified, the query may still be valid and return results (for the SPARQL 1.1 service example mentioned above, it may not, for the FILTER it may). The set of these variables must be disjoint from IVariableBindingRequirements#getRequiredUnound().

Specified by:

getRequiredBound in interface IVariableBindingRequirements

Overrides:

getRequiredBound in class Update

Returns:

the set of variables that must be bound prior to evaluation

getDesiredBound

public Set<IVariable<?>> getDesiredBound(StaticAnalysis sa)

Description copied from interface: IVariableBindingRequirements

Get variables that are not required to be bound, but desired in the sense that we want them to be bound when evaluating the construct. In general, the more variables are bound, the better, but this might differ for certain constructs. Should only report variables that are *not* reported through method IVariableBindingRequirements.getRequiredBound(StaticAnalysis).

Specified by:

getDesiredBound in interface IVariableBindingRequirements

Overrides:

getDesiredBound in class Update

Returns:

the set of variables that are desires to be bound, but not required