Package org.apache.drill.common.expression

Class ValueExpressions.BooleanExpression

java.lang.Object

org.apache.drill.common.expression.LogicalExpressionBase

org.apache.drill.common.expression.ValueExpressions.ValueExpression<Boolean>

org.apache.drill.common.expression.ValueExpressions.BooleanExpression

All Implemented Interfaces:

Iterable<LogicalExpression>, LogicalExpression

Enclosing class:

ValueExpressions

public static class ValueExpressions.BooleanExpression
extends ValueExpressions.ValueExpression<Boolean>

Nested Class Summary

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

LogicalExpression.De, LogicalExpression.Se

Field Summary

Fields

Modifier and Type	Field	Description
static final ValueExpressions.BooleanExpression	FALSE
static final ValueExpressions.BooleanExpression	TRUE

Fields inherited from class org.apache.drill.common.expression.ValueExpressions.ValueExpression

value

Constructor Summary

Constructors

Constructor	Description
BooleanExpression(String value, ExpressionPosition pos)

Method Summary

Modifier and Type	Method	Description
<T, V, E extends Exception> T	accept(ExprVisitor<T,V,E> visitor, V value)
boolean	getBoolean()
TypeProtos.MajorType	getMajorType()
protected Boolean	parseValue(String s)

Methods inherited from class org.apache.drill.common.expression.ValueExpressions.ValueExpression

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

Field Details

TRUE

public static final ValueExpressions.BooleanExpression TRUE

FALSE

public static final ValueExpressions.BooleanExpression FALSE

Constructor Details

BooleanExpression

public BooleanExpression(String value,
 ExpressionPosition pos)

Method Details

parseValue

protected Boolean parseValue(String s)

Specified by:

parseValue in class ValueExpressions.ValueExpression<Boolean>

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

getBoolean

public boolean getBoolean()