com.asakusafw.dmdl.model

Class AstUnionExpression<T extends AstTerm<T>>

java.lang.Object

com.asakusafw.dmdl.model.AbstractAstNode

com.asakusafw.dmdl.model.AstUnionExpression<T>

Type Parameters:

T - the type of model structure unit

All Implemented Interfaces:

AstExpression<T>, AstNode

public class AstUnionExpression<T extends AstTerm<T>>
extends AbstractAstNode
implements AstExpression<T>

Represents union of some model structures.

Since:

0.2.0

Nested Class Summary

Nested classes/interfaces inherited from interface com.asakusafw.dmdl.model.AstNode

AstNode.AbstractVisitor<C,R>, AstNode.Visitor<C,R>

Field Summary

Fields

Modifier and Type	Field and Description
List<T>	terms The model structure expressions to union.

Constructor Summary

Constructors

Constructor and Description
AstUnionExpression(Region region, List<? extends T> terms) Creates and returns a new instance.

Method Summary

Modifier and Type	Method and Description
<C,R> R	accept(C context, AstNode.Visitor<C,R> visitor) Accepts and calls back the visitor.
boolean	equals(Object obj)
Region	getRegion() Returns the region of this node.
int	hashCode()

Methods inherited from class java.lang.Object

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

Field Detail

terms

public final List<T extends AstTerm<T>> terms

The model structure expressions to union.

Constructor Detail

AstUnionExpression

public AstUnionExpression(Region region,
                          List<? extends T> terms)

Creates and returns a new instance.

Parameters:

region - the region of this node on the enclosing script, or null if unknown

terms - to union

Throws:

IllegalArgumentException - if some parameters were null

Method Detail

getRegion

public Region getRegion()

Description copied from interface: AstNode

Returns the region of this node.

Specified by:

getRegion in interface AstNode

Returns:

the region, or null if unknown

accept

public <C,R> R accept(C context,
                      AstNode.Visitor<C,R> visitor)

Description copied from interface: AstNode

Accepts and calls back the visitor.

Specified by:

accept in interface AstNode

Type Parameters:

C - type of visitor context

R - type of visitor result

Parameters:

context - the visitor context

visitor - the visitor to call back

Returns:

call back result

hashCode

public int hashCode()

Overrides:

hashCode in class Object

equals

public boolean equals(Object obj)

Overrides:

equals in class Object