DispatchingDocumentFactory.StringBasedDispatchingStrategy (MG4J (big) 5.4.4)

java.lang.Object
- it.unimi.di.big.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

Constructors
Constructor	Description
`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

Modifier and Type	Method	Description
`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
  - StringBasedDispatchingStrategy
```
public 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.