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com.virtuosotechnologies.asaph.xmldatabase
Class IndexedDatabaseFactoryImpl.DummySongIDImpl  view IndexedDatabaseFactoryImpl.DummySongIDImpl download IndexedDatabaseFactoryImpl.DummySongIDImpl.java

java.lang.Object
  extended bycom.virtuosotechnologies.asaph.xmldatabase.IndexedDatabaseFactoryImpl.DummySongIDImpl
All Implemented Interfaces:
com.virtuosotechnologies.asaph.model.SongID
Enclosing class:
IndexedDatabaseFactoryImpl

class IndexedDatabaseFactoryImpl.DummySongIDImpl
extends java.lang.Object
implements com.virtuosotechnologies.asaph.model.SongID

Dummy implementation of SongID


Field Summary
private  com.virtuosotechnologies.lib.util.StringID id_
           
 
Constructor Summary
(package private) IndexedDatabaseFactoryImpl.DummySongIDImpl(com.virtuosotechnologies.lib.util.StringID id)
           
 
Method Summary
 boolean equals(java.lang.Object obj)
          Equals
 com.virtuosotechnologies.asaph.model.SongDatabase getDatabase()
          Get the database that owns this song
 java.lang.String getStringRepresentation()
          Get the string representation
 int hashCode()
          Get a value that represents this Object, as uniquely as possible within the confines of an int.
 
Methods inherited from class java.lang.Object
clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait
 

Field Detail

id_

private com.virtuosotechnologies.lib.util.StringID id_
Constructor Detail

IndexedDatabaseFactoryImpl.DummySongIDImpl

IndexedDatabaseFactoryImpl.DummySongIDImpl(com.virtuosotechnologies.lib.util.StringID id)
Method Detail

getDatabase

public com.virtuosotechnologies.asaph.model.SongDatabase getDatabase()
Description copied from interface: com.virtuosotechnologies.asaph.model.SongID
Get the database that owns this song

Specified by:
getDatabase in interface com.virtuosotechnologies.asaph.model.SongID

getStringRepresentation

public java.lang.String getStringRepresentation()
Description copied from interface: com.virtuosotechnologies.asaph.model.SongID
Get the string representation

Specified by:
getStringRepresentation in interface com.virtuosotechnologies.asaph.model.SongID

equals

public boolean equals(java.lang.Object obj)
Description copied from interface: com.virtuosotechnologies.asaph.model.SongID
Equals

Specified by:
equals in interface com.virtuosotechnologies.asaph.model.SongID

hashCode

public int hashCode()
Description copied from class: java.lang.Object
Get a value that represents this Object, as uniquely as possible within the confines of an int.

There are some requirements on this method which subclasses must follow:

  • Semantic equality implies identical hashcodes. In other words, if a.equals(b) is true, then a.hashCode() == b.hashCode() must be as well. However, the reverse is not necessarily true, and two objects may have the same hashcode without being equal.
  • It must be consistent. Whichever value o.hashCode() returns on the first invocation must be the value returned on all later invocations as long as the object exists. Notice, however, that the result of hashCode may change between separate executions of a Virtual Machine, because it is not invoked on the same object.

Notice that since hashCode is used in java.util.Hashtable and other hashing classes, a poor implementation will degrade the performance of hashing (so don't blindly implement it as returning a constant!). Also, if calculating the hash is time-consuming, a class may consider caching the results.

The default implementation returns System.identityHashCode(this)