opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/datastore/TransactionChainProxy.java

   1 /*
   2  * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
   3  *
   4  * This program and the accompanying materials are made available under the
   5  * terms of the Eclipse Public License v1.0 which accompanies this distribution,
   6  * and is available at http://www.eclipse.org/legal/epl-v10.html
   7  */
   8
   9 package org.opendaylight.controller.cluster.datastore;
  10
  11 import org.opendaylight.controller.cluster.datastore.utils.ActorContext;
  12 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
  13 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
  14 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
  15 import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
  16
  17 import java.util.concurrent.ExecutorService;
  18
  19 /**
  20  * TransactionChainProxy acts as a proxy for a DOMStoreTransactionChain created on a remote shard
  21  */
  22 public class TransactionChainProxy implements DOMStoreTransactionChain{
  23     private final ActorContext actorContext;
  24     private final ExecutorService transactionExecutor;
  25
  26     public TransactionChainProxy(ActorContext actorContext, ExecutorService transactionExecutor) {
  27         this.actorContext = actorContext;
  28         this.transactionExecutor = transactionExecutor;
  29     }
  30
  31     @Override
  32     public DOMStoreReadTransaction newReadOnlyTransaction() {
  33         return new TransactionProxy(actorContext,
  34             TransactionProxy.TransactionType.READ_ONLY, transactionExecutor);
  35     }
  36
  37     @Override
  38     public DOMStoreReadWriteTransaction newReadWriteTransaction() {
  39         return new TransactionProxy(actorContext,
  40             TransactionProxy.TransactionType.WRITE_ONLY, transactionExecutor);
  41     }
  42
  43     @Override
  44     public DOMStoreWriteTransaction newWriteOnlyTransaction() {
  45         return new TransactionProxy(actorContext,
  46             TransactionProxy.TransactionType.READ_WRITE, transactionExecutor);
  47     }
  48
  49     @Override
  50     public void close() {
  51         // FIXME : The problem here is don't know which shard the transaction chain is to be created on ???
  52         throw new UnsupportedOperationException("close - not sure what to do here?");
  53     }
  54 }