com.bigdata.rdf.sparql.ast.eval

Class AST2BOpUpdate

java.lang.Object

com.bigdata.rdf.sparql.ast.eval.AST2BOpBase

com.bigdata.rdf.sparql.ast.eval.AST2BOpFilters

com.bigdata.rdf.sparql.ast.eval.AST2BOpJoins

com.bigdata.rdf.sparql.ast.eval.AST2BOpRTO

com.bigdata.rdf.sparql.ast.eval.AST2BOpUtility

com.bigdata.rdf.sparql.ast.eval.AST2BOpUpdate

public class AST2BOpUpdate
extends AST2BOpUtility

Class handles SPARQL update query plan generation.

Version:

$Id$

Author:

Bryan Thompson

Nested Class Summary

Nested classes/interfaces inherited from class com.bigdata.rdf.sparql.ast.eval.AST2BOpRTO

AST2BOpRTO.Annotations

Field Summary

Fields

Modifier and Type	Field and Description
static boolean	AUTO_COMMIT MP: Make SPARQL Update an auto-commit operation by default.

Constructor Summary

Constructors

Constructor and Description
AST2BOpUpdate()

Method Summary

Methods

Modifier and Type	Method and Description
protected static PipelineOp	convertUpdate(AST2BOpUpdateContext context) Convert and/or execute the update request.
protected static void	optimizeUpdateRoot(AST2BOpUpdateContext context) Convert the query
static org.openrdf.rio.RDFFormat	rdfFormatForFile(String fileName) Utility method to get the RDFFormat for filename.

Methods inherited from class com.bigdata.rdf.sparql.ast.eval.AST2BOpUtility

toPredicate, toVE

Methods inherited from class com.bigdata.rdf.sparql.ast.eval.AST2BOpRTO

compileJoinGraph, convertRTOJoinGraph, cutoffJoin

Methods inherited from class com.bigdata.rdf.sparql.ast.eval.AST2BOpJoins

join

Methods inherited from class com.bigdata.rdf.sparql.ast.eval.AST2BOpFilters

addChunkedMaterializationStep, addMaterializationSteps1, addMaterializationSteps2, addMaterializationSteps3, addNonConditionalMaterializationSteps, getJoinConstraints, getJoinConstraints, getJoinConstraints2

Methods inherited from class com.bigdata.rdf.sparql.ast.eval.AST2BOpBase

applyQueryHints, applyQueryHints, leftOrEmpty

Methods inherited from class java.lang.Object

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

Field Detail

AUTO_COMMIT

public static boolean AUTO_COMMIT

MP: Make SPARQL Update an auto-commit operation by default. TODO: Make this private once merged down.

Constructor Detail

AST2BOpUpdate

public AST2BOpUpdate()

Method Detail

optimizeUpdateRoot

protected static void optimizeUpdateRoot(AST2BOpUpdateContext context)

Convert the query

Note: This is currently a NOP.

convertUpdate

protected static PipelineOp convertUpdate(AST2BOpUpdateContext context)
                                   throws Exception

Convert and/or execute the update request.

Throws:

Exception

rdfFormatForFile

public static org.openrdf.rio.RDFFormat rdfFormatForFile(String fileName)

Utility method to get the RDFFormat for filename. It checks for compressed endings and is provided as a utility.

Parameters:

fileName -

Returns: