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

Class ExpressionToolbox

java.lang.Object

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

public class ExpressionToolbox
extends Object

Constructor Summary

Constructors

Constructor	Description
ExpressionToolbox()

Method Summary

Modifier and Type	Method	Description
static void	findAllFunctionExpressions(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe, List<org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression>> finds)	Finds all functions for a given expression.
static void	findAllFunctionExpressions(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe, org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier fi, List<org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression>> finds)	Finds all functions for a given expression and function identifier.
static org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression>	findFirstFunctionExpression(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe, org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier fi)
static org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression>	findLastFunctionExpression(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe)
static org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression>	findVariableExpression(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe)
static org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression>	findVariableExpression(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe, org.apache.hyracks.algebricks.core.algebra.base.LogicalVariable lv)
static void	findVariableExpressions(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe, List<org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression>> finds)
static Function	getBuiltIn(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe)
static void	getConstantAsPointable(org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression typeExpression, TaggedValuePointable tvp)
static SequenceType	getOutputSequenceType(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator> opRef, org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> argFirstM, StaticContext dCtx)
static int	getTypeExpressionTypeArgument(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> searchM)
static SequenceType	getTypeExpressionTypeArgument(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> searchM, StaticContext dCtx)
static boolean	isFunctionExpression(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe, org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression afce)

Methods inherited from class java.lang.Object

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

Constructor Detail

ExpressionToolbox

public ExpressionToolbox()

Method Detail

findVariableExpression

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

findVariableExpression

public static org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> findVariableExpression(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe)

findVariableExpressions

public static void findVariableExpressions(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe,
                                           List<org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression>> finds)

findLastFunctionExpression

public static org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> findLastFunctionExpression(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe)

findFirstFunctionExpression

public static org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> findFirstFunctionExpression(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe,
                                                                                                                                                       org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier fi)

findAllFunctionExpressions

public static void findAllFunctionExpressions(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe,
                                              List<org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression>> finds)

Finds all functions for a given expression.

Parameters:

mutableLe - Search logical expression

finds - Logical expressions found

findAllFunctionExpressions

public static void findAllFunctionExpressions(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe,
                                              org.apache.hyracks.algebricks.core.algebra.functions.FunctionIdentifier fi,
                                              List<org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression>> finds)

Finds all functions for a given expression and function identifier.

Parameters:

mutableLe - Search logical expression

fi - Function indentifier

finds - Logical expressions found

getBuiltIn

public static Function getBuiltIn(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe)

getConstantAsPointable

public static void getConstantAsPointable(org.apache.hyracks.algebricks.core.algebra.expressions.ConstantExpression typeExpression,
                                          TaggedValuePointable tvp)

getTypeExpressionTypeArgument

public static int getTypeExpressionTypeArgument(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> searchM)

getTypeExpressionTypeArgument

public static SequenceType getTypeExpressionTypeArgument(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> searchM,
                                                         StaticContext dCtx)

getOutputSequenceType

public static SequenceType getOutputSequenceType(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalOperator> opRef,
                                                 org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> argFirstM,
                                                 StaticContext dCtx)

isFunctionExpression

public static boolean isFunctionExpression(org.apache.commons.lang3.mutable.Mutable<org.apache.hyracks.algebricks.core.algebra.base.ILogicalExpression> mutableLe,
                                           org.apache.hyracks.algebricks.core.algebra.expressions.AbstractFunctionCallExpression afce)