com.sleepycat.persist.evolve
Class Renamer
java.lang.Object
com.sleepycat.persist.evolve.Mutation
com.sleepycat.persist.evolve.Renamer
- All Implemented Interfaces:
- java.io.Serializable
public class Renamer
- extends Mutation
A mutation for renaming a class or field without changing the instance or
field value. For example:
package my.package;
// The old class. Version 0 is implied.
//
@Entity
class Person {
String name;
}
// The new class. A new version number must be assigned.
//
@Entity(version=1)
class Human {
String fullName;
}
// Add the mutations.
//
Mutations mutations = new Mutations();
mutations.addRenamer(new Renamer("my.package.Person", 0,
Human.class.getName()));
mutations.addRenamer(new Renamer("my.package.Person", 0,
"name", "fullName"));
// Configure the mutations as described here
.
- Author:
- Mark Hayes
- See Also:
- Serialized Form
Constructor Summary |
Renamer(java.lang.String fromClass,
int fromVersion,
java.lang.String toClass)
Creates a mutation for renaming the class of all instances of the given
class version. |
Renamer(java.lang.String declaringClass,
int declaringClassVersion,
java.lang.String fromField,
java.lang.String toField)
Creates a mutation for renaming the given field for all instances of the
given class version. |
Method Summary |
java.lang.String |
getNewName()
Returns the new class or field name specified in the constructor. |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Renamer
public Renamer(java.lang.String fromClass,
int fromVersion,
java.lang.String toClass)
- Creates a mutation for renaming the class of all instances of the given
class version.
Renamer
public Renamer(java.lang.String declaringClass,
int declaringClassVersion,
java.lang.String fromField,
java.lang.String toField)
- Creates a mutation for renaming the given field for all instances of the
given class version.
getNewName
public java.lang.String getNewName()
- Returns the new class or field name specified in the constructor.
Copyright 2004-2006 Sleepycat, Inc. All Rights Reserved.