| /* |
| * 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.qpid.server.store.jdbc; |
| |
| |
| import java.util.List; |
| import java.util.concurrent.CopyOnWriteArrayList; |
| import java.util.concurrent.atomic.AtomicBoolean; |
| |
| import com.google.common.util.concurrent.ListenableFuture; |
| |
| import org.apache.qpid.server.model.ConfiguredObject; |
| import org.apache.qpid.server.store.StoreException; |
| import org.apache.qpid.server.store.Transaction; |
| |
| public abstract class GenericAbstractJDBCMessageStore extends AbstractJDBCMessageStore |
| { |
| private final AtomicBoolean _messageStoreOpen = new AtomicBoolean(false); |
| private final List<RecordedJDBCTransaction> _transactions = new CopyOnWriteArrayList<>(); |
| |
| private ConfiguredObject<?> _parent; |
| |
| @Override |
| public final void openMessageStore(ConfiguredObject<?> parent) |
| { |
| if (_messageStoreOpen.compareAndSet(false, true)) |
| { |
| _parent = parent; |
| super.setTablePrefix(getTablePrefix(parent)); |
| initMessageStore(parent); |
| doOpen(parent); |
| |
| createOrOpenMessageStoreDatabase(); |
| setMaximumMessageId(); |
| } |
| } |
| |
| protected abstract String getTablePrefix(final ConfiguredObject<?> parent); |
| |
| protected abstract void doOpen(final ConfiguredObject<?> parent) |
| throws StoreException; |
| |
| @Override |
| public final void upgradeStoreStructure() throws StoreException |
| { |
| checkMessageStoreOpen(); |
| |
| upgrade(_parent); |
| } |
| |
| @Override |
| public final void closeMessageStore() |
| { |
| if (_messageStoreOpen.compareAndSet(true, false)) |
| { |
| try |
| { |
| while(!_transactions.isEmpty()) |
| { |
| RecordedJDBCTransaction txn = _transactions.get(0); |
| txn.abortTran(); |
| } |
| } |
| finally |
| { |
| doClose(); |
| super.closeMessageStore(); |
| } |
| |
| } |
| } |
| |
| protected abstract void doClose(); |
| |
| @Override |
| protected boolean isMessageStoreOpen() |
| { |
| return _messageStoreOpen.get(); |
| } |
| |
| @Override |
| protected void checkMessageStoreOpen() |
| { |
| if (!_messageStoreOpen.get()) |
| { |
| throw new IllegalStateException("Message store is not open"); |
| } |
| } |
| |
| @Override |
| protected void storedSizeChange(int contentSize) |
| { |
| } |
| |
| @Override |
| public Transaction newTransaction() |
| { |
| return new RecordedJDBCTransaction(); |
| } |
| |
| |
| private class RecordedJDBCTransaction extends JDBCTransaction |
| { |
| private RecordedJDBCTransaction() |
| { |
| super(); |
| GenericAbstractJDBCMessageStore.this._transactions.add(this); |
| } |
| |
| @Override |
| public void commitTran() |
| { |
| try |
| { |
| super.commitTran(); |
| } |
| finally |
| { |
| GenericAbstractJDBCMessageStore.this._transactions.remove(this); |
| } |
| } |
| |
| @Override |
| public <X> ListenableFuture<X> commitTranAsync(final X val) |
| { |
| try |
| { |
| return super.commitTranAsync(val); |
| } |
| finally |
| { |
| GenericAbstractJDBCMessageStore.this._transactions.remove(this); |
| } |
| } |
| |
| @Override |
| public void abortTran() |
| { |
| try |
| { |
| super.abortTran(); |
| } |
| finally |
| { |
| GenericAbstractJDBCMessageStore.this._transactions.remove(this); |
| } |
| } |
| } |
| } |