Class LogicalOpUtils

java.lang.Object

se.liu.ida.hefquin.engine.queryplan.utils.LogicalOpUtils

public class LogicalOpUtils
extends Object

Constructor Summary

Constructors

Constructor	Description
LogicalOpUtils()

Method Summary

Modifier and Type	Method	Description
static UnaryLogicalOp	createLogicalAddOpFromLogicalReqOp(LogicalOpRequest<?,?> reqOp)
static UnaryLogicalOp	createLogicalAddOpFromPhysicalReqOp(PhysicalOperator op)
static UnaryLogicalOp	createLogicalOptAddOpFromPhysicalReqOp(PhysicalOperator op)
static Set<TriplePattern>	getTriplePatternsOfReq(LogicalOpRequest<?,?> lop)	Return a set of triple patterns, which are extracted from a given Request (support TriplePatternRequest and BGPRequest)

Methods inherited from class java.lang.Object

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

Constructor Details

LogicalOpUtils

public LogicalOpUtils()

Method Details

getTriplePatternsOfReq

public static Set<TriplePattern> getTriplePatternsOfReq(LogicalOpRequest<?,?> lop)

Return a set of triple patterns, which are extracted from a given Request (support TriplePatternRequest and BGPRequest)

createLogicalAddOpFromPhysicalReqOp

public static UnaryLogicalOp createLogicalAddOpFromPhysicalReqOp(PhysicalOperator op)

createLogicalAddOpFromLogicalReqOp

public static UnaryLogicalOp createLogicalAddOpFromLogicalReqOp(LogicalOpRequest<?,?> reqOp)

createLogicalOptAddOpFromPhysicalReqOp

public static UnaryLogicalOp createLogicalOptAddOpFromPhysicalReqOp(PhysicalOperator op)