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java.lang.Objectcom.sleepycat.persist.evolve.Mutation
com.sleepycat.persist.evolve.Renamer
public class Renamer
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.
Class Evolution,
Serialized Form| Constructor Summary | |
|---|---|
Renamer(String fromClass,
int fromVersion,
String toClass)
Creates a mutation for renaming the class of all instances of the given class version. |
|
Renamer(String declaringClass,
int declaringClassVersion,
String fromField,
String toField)
Creates a mutation for renaming the given field for all instances of the given class version. |
|
| Method Summary | |
|---|---|
boolean |
equals(Object other)
Returns true if the new class name is equal in this object and given object, and if the Mutation.equals(java.lang.Object) method returns true. |
String |
getNewName()
Returns the new class or field name specified in the constructor. |
int |
hashCode()
|
String |
toString()
|
| Methods inherited from class com.sleepycat.persist.evolve.Mutation |
|---|
getClassName, getClassVersion, getFieldName |
| Methods inherited from class java.lang.Object |
|---|
clone, finalize, getClass, notify, notifyAll, wait, wait, wait |
| Constructor Detail |
|---|
public Renamer(String fromClass,
int fromVersion,
String toClass)
public Renamer(String declaringClass,
int declaringClassVersion,
String fromField,
String toField)
| Method Detail |
|---|
public String getNewName()
public boolean equals(Object other)
Mutation.equals(java.lang.Object) method returns true.
equals in class Mutationpublic int hashCode()
hashCode in class Mutationpublic String toString()
toString in class Mutation
|
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