it.unimi.di.mg4j.document
Class DispatchingDocumentFactory.StringBasedDispatchingStrategy

java.lang.Object
  it.unimi.di.mg4j.document.DispatchingDocumentFactory.StringBasedDispatchingStrategy

All Implemented Interfaces:

DispatchingDocumentFactory.DispatchingStrategy, Serializable

Enclosing class:

DispatchingDocumentFactory

public static class DispatchingDocumentFactory.StringBasedDispatchingStrategy
extends Object
implements DispatchingDocumentFactory.DispatchingStrategy

A strategy that is based on trying to match the value of the metadata with a given key with respect to a certain set of values.

See Also:

Serialized Form

Constructor Summary

DispatchingDocumentFactory.StringBasedDispatchingStrategy(Enum<?> key, Object2IntMap<String> value)
The strategy works as follows: the property named key is resolved; if this property is not set, the default return value of value is returned.

Method Summary

int	factoryNumber(Reference2ObjectMap<Enum<?>,Object> metadata, PropertyBasedDocumentFactory factory) Decides the index of the factory to be used for the given metadata, possibly using a factory to resolve property names.

Methods inherited from class java.lang.Object

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

Constructor Detail

DispatchingDocumentFactory.StringBasedDispatchingStrategy

public DispatchingDocumentFactory.StringBasedDispatchingStrategy(Enum<?> key,
                                                                 Object2IntMap<String> value)

The strategy works as follows: the property named key is resolved; if this property is not set, the default return value of value is returned. Otherwise, its value is compared, using the equals, method with the elements of the value set, and the corresponding integer is returned.

Parameters:

key - the key to be resolved.

value - the map of values.

Method Detail

factoryNumber

public int factoryNumber(Reference2ObjectMap<Enum<?>,Object> metadata,
                         PropertyBasedDocumentFactory factory)

Description copied from interface: DispatchingDocumentFactory.DispatchingStrategy

Decides the index of the factory to be used for the given metadata, possibly using a factory to resolve property names.

Specified by:

factoryNumber in interface DispatchingDocumentFactory.DispatchingStrategy

Parameters:

metadata - the metadata of the document to be produced.

factory - the factory used to resolve metadata names.

Returns:

the factory index.