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java.lang.Objectcom.sleepycat.persist.evolve.Mutation
com.sleepycat.persist.evolve.Conversion
public class Conversion
A mutation for converting an old version of an object value to conform to the current class definition. For example:
package my.package;
// The old class. Version 0 is implied.
//
@Entity
class Person {
// ...
}
// The new class. A new version number must be assigned.
//
@Entity(version=1)
class Person {
// Incompatible changes were made here...
}
// Add a conversion mutation.
//
Mutations mutations = new Mutations();
mutations.addConversion(new Conversion(Person.class.getName(), 0,
new MyConverter()));
// Configure the mutations as described here.
See Converter for more information.
| Constructor Summary | |
|---|---|
Conversion(String className,
int classVersion,
Converter converter)
Creates a mutation for converting all instances of the given class version. |
|
Conversion(String declaringClassName,
int declaringClassVersion,
String fieldName,
Converter converter)
Creates a mutation for converting all values of the given field in the given class version. |
|
| Method Summary | |
|---|---|
Converter |
getConverter()
Returns the converter instance specified in the constructor. |
| Methods inherited from class com.sleepycat.persist.evolve.Mutation |
|---|
getClassName, getClassVersion, getFieldName |
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public Conversion(String className,
int classVersion,
Converter converter)
public Conversion(String declaringClassName,
int declaringClassVersion,
String fieldName,
Converter converter)
| Method Detail |
|---|
public Converter getConverter()
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Berkeley DB Java Edition version 3.0.12 |
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