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/*-
* See the file LICENSE for redistribution information.
*
* Copyright (c) 2002, 2015 Oracle and/or its affiliates. All rights reserved.
*
*/
package com.sleepycat.persist.impl;
import java.lang.reflect.Array;
import java.util.Map;
import com.sleepycat.compat.DbCompat;
import com.sleepycat.persist.model.EntityModel;
/**
* Format for a non-persistent class that is only used for declared field
* types and arrays. Currently used only for Object and interface types.
*
* @author Mark Hayes
*/
class NonPersistentFormat extends Format {
private static final long serialVersionUID = -7488355830875148784L;
NonPersistentFormat(Catalog catalog, Class type) {
super(catalog, type);
}
@Override
void initialize(Catalog catalog, EntityModel model, int initVersion) {
}
@Override
void collectRelatedFormats(Catalog catalog,
Map<String, Format> newFormats) {
}
@Override
Object newArray(int len) {
return Array.newInstance(getType(), len);
}
@Override
public Object newInstance(EntityInput input, boolean rawAccess) {
throw DbCompat.unexpectedState
("Cannot instantiate non-persistent class: " + getClassName());
}
@Override
public Object readObject(Object o, EntityInput input, boolean rawAccess) {
throw DbCompat.unexpectedState();
}
@Override
void writeObject(Object o, EntityOutput output, boolean rawAccess) {
throw DbCompat.unexpectedState();
}
@Override
void skipContents(RecordInput input) {
throw DbCompat.unexpectedState();
}
@Override
boolean evolve(Format newFormat, Evolver evolver) {
evolver.useOldFormat(this, newFormat);
return true;
}
}
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