com.exasol.sql.expression

Class Literal

java.lang.Object

com.exasol.util.AbstractBottomUpTreeNode

com.exasol.sql.expression.AbstractBooleanExpression

com.exasol.sql.expression.Literal

All Implemented Interfaces:

BooleanExpression, TreeNode

public class Literal
extends AbstractBooleanExpression

Method Summary

Modifier and Type	Method and Description
void	acceptConcrete(BooleanExpressionVisitor visitor) Sub-classes must override this method so that the visitor knows the type of the visited class at compile time.
void	dismissConcrete(BooleanExpressionVisitor visitor) Sub-classes must override this method so that the visitor knows the type of the visited class at compile time.
static Literal	of(String string) Create a new Literal instance from a String
static BooleanExpression[]	toBooleanExpressions(String[] strings) Map an array of String to and array of BooleanExpressions
String	toString()

Methods inherited from class com.exasol.sql.expression.AbstractBooleanExpression

accept

Methods inherited from class com.exasol.util.AbstractBottomUpTreeNode

addChild, getChild, getChildren, getParent, getRoot, isChild, isFirstSibling, isRoot

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.exasol.util.TreeNode

addChild, getChild, getChildren, getParent, getRoot, isChild, isFirstSibling, isRoot

Method Detail

of

public static Literal of(String string)

Create a new Literal instance from a String

Parameters:

string - the string to be turned into a literal

Returns:

new Literal instance

toString

public String toString()

Overrides:

toString in class Object

acceptConcrete

public void acceptConcrete(BooleanExpressionVisitor visitor)

Description copied from class: AbstractBooleanExpression

Sub-classes must override this method so that the visitor knows the type of the visited class at compile time.

Specified by:

acceptConcrete in class AbstractBooleanExpression

Parameters:

visitor - visitor to accept

dismissConcrete

public void dismissConcrete(BooleanExpressionVisitor visitor)

Description copied from class: AbstractBooleanExpression

Sub-classes must override this method so that the visitor knows the type of the visited class at compile time.

Specified by:

dismissConcrete in class AbstractBooleanExpression

Parameters:

visitor - visitor to accept

toBooleanExpressions

public static BooleanExpression[] toBooleanExpressions(String[] strings)

Map an array of String to and array of BooleanExpressions

Parameters:

strings - string literals to be turned into boolean expressions

Returns:

boolean expressions