org.apache.lucene.util

Class AttributeFactory.StaticImplementationAttributeFactory<A extends AttributeImpl>

java.lang.Object

org.apache.lucene.util.AttributeFactory

org.apache.lucene.util.AttributeFactory.StaticImplementationAttributeFactory<A>

Enclosing class:

AttributeFactory

public abstract static class AttributeFactory.StaticImplementationAttributeFactory<A extends AttributeImpl>
extends AttributeFactory

Expert: AttributeFactory returning an instance of the given clazz for the attributes it implements. For all other attributes it calls the given delegate factory as fallback. This class can be used to prefer a specific AttributeImpl which combines multiple attributes over separate classes.

NOTE: This API is for internal purposes only and might change in incompatible ways in the next release.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.lucene.util.AttributeFactory

AttributeFactory.StaticImplementationAttributeFactory<A extends AttributeImpl>

Field Summary

Fields inherited from class org.apache.lucene.util.AttributeFactory

DEFAULT_ATTRIBUTE_FACTORY

Constructor Summary

Constructors

Constructor and Description
StaticImplementationAttributeFactory(AttributeFactory delegate, Class<A> clazz) Expert: Creates an AttributeFactory returning clazz as instance for the attributes it implements and for all other attributes calls the given delegate factory.

Method Summary

Modifier and Type	Method and Description
AttributeImpl	createAttributeInstance(Class<? extends Attribute> attClass) Returns an AttributeImpl for the supplied Attribute interface class.
protected abstract A	createInstance() Creates an instance of A.
boolean	equals(Object other)
int	hashCode()

Methods inherited from class org.apache.lucene.util.AttributeFactory

getStaticImplementation

Methods inherited from class java.lang.Object

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

Constructor Detail

StaticImplementationAttributeFactory

public StaticImplementationAttributeFactory(AttributeFactory delegate,
                                            Class<A> clazz)

Expert: Creates an AttributeFactory returning clazz as instance for the attributes it implements and for all other attributes calls the given delegate factory.

Method Detail

createAttributeInstance

public final AttributeImpl createAttributeInstance(Class<? extends Attribute> attClass)

Description copied from class: AttributeFactory

Returns an AttributeImpl for the supplied Attribute interface class.

Specified by:

createAttributeInstance in class AttributeFactory

createInstance

protected abstract A createInstance()

Creates an instance of A.

equals

public boolean equals(Object other)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object