com.asakusafw.dmdl.model

Class AstModelDefinition<T extends AstTerm<T>>

java.lang.Object

com.asakusafw.dmdl.model.AbstractAstNode

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

Type Parameters:

T - the type of target model kind

All Implemented Interfaces:

AstNode

public class AstModelDefinition<T extends AstTerm<T>>
extends AbstractAstNode

Represents a model definition.

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<AstAttribute>	attributes The attributes of the defining model.
AstDescription	description The description of the defining model, or null.
AstExpression<T>	expression The model structure of this definition.
ModelDefinitionKind	kind The kind of the defining model.
AstSimpleName	name The name of the defining model.

Constructor Summary

Constructors

Constructor and Description
AstModelDefinition(Region region, ModelDefinitionKind kind, AstDescription description, List<AstAttribute> attributes, AstSimpleName name, AstExpression<T> expression) 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.
AstModelDefinition<AstJoin>	asJoined() Safely casts this definition as a joined model definition.
AstModelDefinition<AstRecord>	asProjective() Safely casts this definition as a projective model definition.
AstModelDefinition<AstRecord>	asRecord() Safely casts this definition as a record model definition.
AstModelDefinition<AstSummarize>	asSummarized() Safely casts this definition as a summarized model definition.
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

kind

public final ModelDefinitionKind kind

The kind of the defining model.

description

public final AstDescription description

The description of the defining model, or null.

attributes

public final List<AstAttribute> attributes

The attributes of the defining model.

name

public final AstSimpleName name

The name of the defining model.

expression

public final AstExpression<T extends AstTerm<T>> expression

The model structure of this definition.

Constructor Detail

AstModelDefinition

public AstModelDefinition(Region region,
                          ModelDefinitionKind kind,
                          AstDescription description,
                          List<AstAttribute> attributes,
                          AstSimpleName name,
                          AstExpression<T> expression)

Creates and returns a new instance.

Parameters:

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

kind - the kind of this definition

description - the description of this model, or null if is omitted

attributes - the attributes of this model

name - the name

expression - the model structure of this definition

Throws:

IllegalArgumentException - if some parameters were null

Method Detail

asRecord

public AstModelDefinition<AstRecord> asRecord()

Safely casts this definition as a record model definition.

Returns:

this

Throws:

IllegalStateException - if this is not a record model definition

asProjective

public AstModelDefinition<AstRecord> asProjective()

Safely casts this definition as a projective model definition.

Returns:

this

Throws:

IllegalStateException - if this is not a projective model definition

asJoined

public AstModelDefinition<AstJoin> asJoined()

Safely casts this definition as a joined model definition.

Returns:

this

Throws:

IllegalStateException - if this is not a joined model definition

asSummarized

public AstModelDefinition<AstSummarize> asSummarized()

Safely casts this definition as a summarized model definition.

Returns:

this

Throws:

IllegalStateException - if this is not a summarized model definition

getRegion

public Region getRegion()

Description copied from interface: AstNode

Returns the region of this node.

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.

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