content: /**
   * 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.activemq.store.kahadb;
  
  import org.apache.activemq.command.ConnectionId;
  import org.apache.activemq.command.LocalTransactionId;
  import org.apache.activemq.command.TransactionId;
  import org.apache.activemq.command.XATransactionId;
  import org.apache.activemq.protobuf.Buffer;
  import org.apache.activemq.store.kahadb.data.KahaLocalTransactionId;
  import org.apache.activemq.store.kahadb.data.KahaTransactionInfo;
  import org.apache.activemq.store.kahadb.data.KahaXATransactionId;
  
  public class TransactionIdConversion {
  
      static KahaTransactionInfo convertToLocal(TransactionId tx) {
          KahaTransactionInfo rc = new KahaTransactionInfo();
          LocalTransactionId t = (LocalTransactionId) tx;
          KahaLocalTransactionId kahaTxId = new KahaLocalTransactionId();
          kahaTxId.setConnectionId(t.getConnectionId().getValue());
          kahaTxId.setTransactionId(t.getValue());
          rc.setLocalTransactionId(kahaTxId);
          return rc;
      }
  
      static KahaTransactionInfo convert(TransactionId txid) {
          if (txid == null) {
              return null;
          }
          KahaTransactionInfo rc;
  
          if (txid.isLocalTransaction()) {
              rc = convertToLocal(txid);
          } else {
              rc = new KahaTransactionInfo();
              XATransactionId t = (XATransactionId) txid;
              KahaXATransactionId kahaTxId = new KahaXATransactionId();
              kahaTxId.setBranchQualifier(new Buffer(t.getBranchQualifier()));
              kahaTxId.setGlobalTransactionId(new Buffer(t.getGlobalTransactionId()));
              kahaTxId.setFormatId(t.getFormatId());
              rc.setXaTransactionId(kahaTxId);
          }
          return rc;
      }
  
      static TransactionId convert(KahaTransactionInfo transactionInfo) {
          if (transactionInfo.hasLocalTransactionId()) {
              KahaLocalTransactionId tx = transactionInfo.getLocalTransactionId();
              LocalTransactionId rc = new LocalTransactionId();
              rc.setConnectionId(new ConnectionId(tx.getConnectionId()));
              rc.setValue(tx.getTransactionId());
              return rc;
          } else {
              KahaXATransactionId tx = transactionInfo.getXaTransactionId();
              XATransactionId rc = new XATransactionId();
              rc.setBranchQualifier(tx.getBranchQualifier().toByteArray());
              rc.setGlobalTransactionId(tx.getGlobalTransactionId().toByteArray());
              rc.setFormatId(tx.getFormatId());
              return rc;
          }
      }
  }