| /* |
| * 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.directory.mitosis.store.derby; |
| |
| |
| import java.sql.Connection; |
| import java.sql.ResultSet; |
| import java.sql.SQLException; |
| import java.sql.Statement; |
| |
| import org.apache.directory.mitosis.common.CSN; |
| import org.apache.directory.mitosis.common.ReplicaId; |
| import org.apache.directory.mitosis.common.DefaultCSN; |
| import org.apache.directory.mitosis.operation.Operation; |
| import org.apache.directory.mitosis.operation.OperationCodec; |
| import org.apache.directory.mitosis.store.ReplicationLogIterator; |
| import org.apache.directory.mitosis.store.ReplicationStoreException; |
| |
| |
| class DerbyReplicationLogIterator implements ReplicationLogIterator |
| { |
| private final OperationCodec codec; |
| private final Connection con; |
| private final Statement stmt; |
| private final ResultSet rs; |
| |
| |
| DerbyReplicationLogIterator( OperationCodec codec, Connection con, Statement stmt, ResultSet rs ) |
| { |
| this.codec = codec; |
| this.con = con; |
| this.stmt = stmt; |
| this.rs = rs; |
| } |
| |
| |
| public boolean next() |
| { |
| try |
| { |
| return rs.next(); |
| } |
| catch ( SQLException e ) |
| { |
| throw new ReplicationStoreException( e ); |
| } |
| } |
| |
| |
| public void close() |
| { |
| SQLUtil.cleanup( con, stmt, rs ); |
| } |
| |
| |
| public CSN getCSN() |
| { |
| try |
| { |
| ReplicaId replicaId = new ReplicaId( rs.getString( 1 ) ); |
| long timestamp = rs.getLong( 2 ); |
| int operationSequence = rs.getInt( 3 ); |
| return new DefaultCSN( timestamp, replicaId, operationSequence ); |
| } |
| catch ( Exception e ) |
| { |
| throw new ReplicationStoreException( e ); |
| } |
| } |
| |
| |
| public Operation getOperation() |
| { |
| try |
| { |
| return codec.decode( rs.getBytes( 4 ) ); |
| } |
| catch ( Exception e ) |
| { |
| throw new ReplicationStoreException( e ); |
| } |
| } |
| } |