| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| package org.apache.openjpa.kernel; |
| |
| import java.util.BitSet; |
| |
| import org.apache.openjpa.util.OpenJPAException; |
| import org.apache.openjpa.util.StoreException; |
| |
| /** |
| * Wraps the native store manager to handle calls using custom |
| * {@link PCResultObjectProvider}s. |
| * |
| * @author Abe White |
| */ |
| class ROPStoreManager |
| extends DelegatingStoreManager { |
| |
| public ROPStoreManager(StoreManager delegate) { |
| super(delegate); |
| } |
| |
| @Override |
| public boolean exists(OpenJPAStateManager sm, Object context) { |
| if (context instanceof PCResultObjectProvider) |
| context = null; |
| return super.exists(sm, context); |
| } |
| |
| @Override |
| public boolean initialize(OpenJPAStateManager sm, PCState state, |
| FetchConfiguration fetch, Object context) { |
| if (context instanceof PCResultObjectProvider) { |
| try { |
| ((PCResultObjectProvider) context).initialize(sm, state, fetch); |
| } catch (OpenJPAException ke) { |
| throw ke; |
| } catch (Exception e) { |
| throw new StoreException(e); |
| } |
| return true; |
| } |
| return super.initialize(sm, state, fetch, context); |
| } |
| |
| @Override |
| public boolean syncVersion(OpenJPAStateManager sm, Object context) { |
| // the only way this gets called with a rop context is if the |
| // rop didn't load any version info on initialize, so just null |
| // it out so we don't get unexpected results when our delegate |
| // expectes a different context type |
| if (context instanceof PCResultObjectProvider) |
| context = null; |
| return super.syncVersion(sm, context); |
| } |
| |
| @Override |
| public boolean load(OpenJPAStateManager sm, BitSet fields, |
| FetchConfiguration fetch, int lockLevel, Object context) { |
| // the only way this gets called with a rop context is if the |
| // rop didn't load the field on initialize, so just null |
| // it out so we don't get unexpected results when our delegate |
| // expectes a different context type |
| if (context instanceof PCResultObjectProvider) |
| context = null; |
| return super.load(sm, fields, fetch, lockLevel, context); |
| } |
| } |