Package com.exasol.sql.expression.literal

Class BooleanLiteral

java.lang.Object

com.exasol.sql.expression.literal.AbstractLiteral

com.exasol.sql.expression.literal.BooleanLiteral

All Implemented Interfaces:

BooleanExpression, Literal, ValueExpression

public final class BooleanLiteral
extends AbstractLiteral
implements BooleanExpression

This class represents boolean literals (read "true" and "false")

Method Summary

Modifier and Type	Method	Description
void	accept(BooleanExpressionVisitor visitor)	Accept a visitor
void	accept(LiteralVisitor visitor)	Accept a LiteralVisitor.
static BooleanLiteral	of(boolean value)	Create a boolean literal from a boolean value
static BooleanLiteral	of(String value)	Create a new BooleanLiteral instance from a String.
boolean	toBoolean()	Get boolean value this literal represents.
static BooleanExpression[]	toBooleanExpressions(boolean[] values)	Map an array of booleans to and array of BooleanExpressions
String	toString()

Methods inherited from class com.exasol.sql.expression.literal.AbstractLiteral

accept

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.exasol.sql.expression.ValueExpression

accept

Method Detail

of

public static BooleanLiteral of(boolean value)

Create a boolean literal from a boolean value

Parameters:

value - boolean value

Returns:

boolean literal

of

public static BooleanLiteral of(String value)

Create a new BooleanLiteral instance from a String.

Parameters:

value - the string to be turned into a literal

Returns:

new BooleanLiteral instance

Throws:

IllegalArgumentException - in case the literal is not recognized.

toString

public String toString()

Overrides:

toString in class Object

toBoolean

public boolean toBoolean()

Get boolean value this literal represents.

Returns:

boolean value.

toBooleanExpressions

public static BooleanExpression[] toBooleanExpressions(boolean[] values)

Map an array of booleans to and array of BooleanExpressions

Parameters:

values - string literals to be turned into boolean expressions

Returns:

boolean expressions

accept

public void accept(LiteralVisitor visitor)

Description copied from interface: Literal

Accept a LiteralVisitor.

Specified by:

accept in interface Literal

Parameters:

visitor - visitor to accept

accept

public void accept(BooleanExpressionVisitor visitor)

Description copied from interface: BooleanExpression

Accept a visitor

Specified by:

accept in interface BooleanExpression

Parameters:

visitor - visitor to accept