Package org.apache.drill.common.expression

Class ValueExpressions.ParameterExpression

java.lang.Object

org.apache.drill.common.expression.LogicalExpressionBase

org.apache.drill.common.expression.ValueExpressions.ParameterExpression

All Implemented Interfaces:

Iterable<LogicalExpression>, LogicalExpression

Enclosing class:

ValueExpressions

public static class ValueExpressions.ParameterExpression
extends LogicalExpressionBase

Identifies method parameter based on given name and type.

Nested Class Summary

Nested classes/interfaces inherited from interface org.apache.drill.common.expression.LogicalExpression

LogicalExpression.De, LogicalExpression.Se

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	ParameterExpression(String name, TypeProtos.MajorType type, ExpressionPosition pos)

Method Summary

Modifier and Type	Method	Description
<T, V, E extends Exception> T	accept(ExprVisitor<T,V,E> visitor, V value)
TypeProtos.MajorType	getMajorType()
String	getName()
Iterator<LogicalExpression>	iterator()

Methods inherited from class org.apache.drill.common.expression.LogicalExpressionBase

getCumulativeCost, getDescription, getPosition, getSelfCost, i

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Details

ParameterExpression

protected ParameterExpression(String name,
 TypeProtos.MajorType type,
 ExpressionPosition pos)

Method Details

getName

public String getName()

getMajorType

public TypeProtos.MajorType getMajorType()

Specified by:

getMajorType in interface LogicalExpression

Overrides:

getMajorType in class LogicalExpressionBase

accept

public <T,
V,
E extends Exception> T accept(ExprVisitor<T,V,E> visitor,
 V value)
                                   throws E

Throws:

E extends Exception

iterator

public Iterator<LogicalExpression> iterator()