Package com.exasol.sql.expression

Class Like

java.lang.Object

com.exasol.util.AbstractTree

com.exasol.util.AbstractBottomUpTreeNode

com.exasol.sql.expression.AbstractBooleanExpression

com.exasol.sql.expression.Like

All Implemented Interfaces:

BooleanExpression, ValueExpression, TreeNode

public class Like
extends AbstractBooleanExpression

This class represents a logical LIKE predicate.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Like.Builder	A builder for Like.

Field Summary

Fields inherited from class com.exasol.util.AbstractTree

children, parent

Method Summary

Modifier and Type	Method	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.
static Like.Builder	builder()	Create a new builder for Like.
void	dismissConcrete(BooleanExpressionVisitor visitor)	Sub-classes must override this method so that the visitor knows the type of the visited class at compile time.
Character	getEscape()	Get an escape character.
ValueExpression	getLeftOperand()	Get the left-hand side operator.
ValueExpression	getRightOperand()	Get the right-hand side operator.
boolean	hasEscape()	Check if LIKE predicate has ESCAPE.
boolean	hasNot()	Check if LIKE predicate has NOT.

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

accept, accept

Methods inherited from class com.exasol.util.AbstractBottomUpTreeNode

addChild, getRoot, setParent

Methods inherited from class com.exasol.util.AbstractTree

getChild, getChildren, getParent, isChild, isFirstSibling, isRoot, isSibling

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.exasol.util.TreeNode

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

Method Detail

builder

public static Like.Builder builder()

Create a new builder for Like.

Returns:

new Like.Builder

getLeftOperand

public ValueExpression getLeftOperand()

Get the left-hand side operator.

Returns:

left operator

getRightOperand

public ValueExpression getRightOperand()

Get the right-hand side operator.

Returns:

right operator

hasNot

public boolean hasNot()

Check if LIKE predicate has NOT.

Returns:

true if contains not

hasEscape

public boolean hasEscape()

Check if LIKE predicate has ESCAPE.

Returns:

true if contains not

getEscape

public Character getEscape()

Get an escape character.

Returns:

escape char

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