| /* |
| * |
| * 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.berkeleydb.upgrade; |
| |
| |
| import com.sleepycat.je.Database; |
| import com.sleepycat.je.DatabaseEntry; |
| import com.sleepycat.je.Transaction; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| public abstract class CursorOperation implements DatabaseRunnable |
| { |
| private static final Logger LOGGER = LoggerFactory.getLogger(CursorOperation.class); |
| |
| private CursorTemplate _template; |
| private long _rowCount; |
| private long _processedRowCount; |
| |
| @Override |
| public void run(final Database sourceDatabase, final Database targetDatabase, final Transaction transaction) |
| { |
| _rowCount = sourceDatabase.count(); |
| _template = new CursorTemplate(sourceDatabase, transaction, new DatabaseEntryCallback() |
| { |
| @Override |
| public void processEntry(final Database database, final Transaction transaction, final DatabaseEntry key, |
| final DatabaseEntry value) |
| { |
| _processedRowCount++; |
| CursorOperation.this.processEntry(database, targetDatabase, transaction, key, value); |
| if (getProcessedCount() % 1000 == 0) |
| { |
| LOGGER.info("Processed " + getProcessedCount() + " records of " + getRowCount() + "."); |
| } |
| } |
| |
| }); |
| _template.processEntries(); |
| } |
| |
| public void abort() |
| { |
| if (_template != null) |
| { |
| _template.abort(); |
| } |
| } |
| |
| public boolean deleteCurrent() |
| { |
| if (_template != null) |
| { |
| return _template.deleteCurrent(); |
| } |
| return false; |
| } |
| |
| public long getRowCount() |
| { |
| return _rowCount; |
| } |
| |
| public long getProcessedCount() |
| { |
| return _processedRowCount; |
| } |
| |
| public abstract void processEntry(Database sourceDatabase, Database targetDatabase, Transaction transaction, |
| DatabaseEntry key, DatabaseEntry value); |
| |
| } |