Package org.apache.vxquery.compiler.rewriter.rules.util

Class OperatorToolbox

java.lang.Object

org.apache.vxquery.compiler.rewriter.rules.util.OperatorToolbox

public class OperatorToolbox
extends Object

Constructor Summary

Constructors

Constructor	Description
OperatorToolbox()

Method Summary

Modifier and Type	Method	Description
static org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator>	findLastSubplanOperator(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator> opRef)
static org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator	findLastSubplanOperator(org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator op)
static org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator>	findProducerOf(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator> opRef, org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable lv)
static org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression>	getExpressionOf(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator> opRef, org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable lv)
static List<org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression>>	getExpressions(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator> opRef)

Methods inherited from class java.lang.Object

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

Constructor Detail

OperatorToolbox

public OperatorToolbox()

Method Detail

findLastSubplanOperator

public static org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator> findLastSubplanOperator(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator> opRef)

findLastSubplanOperator

public static org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator findLastSubplanOperator(org.apache.hyracks.algebricks.core.algebra.operators.logical.AbstractLogicalOperator op)

getExpressions

public static List<org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression>> getExpressions(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator> opRef)

getExpressionOf

public static org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> getExpressionOf(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator> opRef,
                                                                                                                                           org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable lv)

findProducerOf

public static org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator> findProducerOf(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator> opRef,
                                                                                                                                        org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable lv)