BUG 1606 - A read is attempted on a WRITE_ONLY transaction
[controller.git] / 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 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
17
18 /**
19  * TransactionChainProxy acts as a proxy for a DOMStoreTransactionChain created on a remote shard
20  */
21 public class TransactionChainProxy implements DOMStoreTransactionChain{
22     private final ActorContext actorContext;
23     private final SchemaContext schemaContext;
24
25     public TransactionChainProxy(ActorContext actorContext, SchemaContext schemaContext) {
26         this.actorContext = actorContext;
27         this.schemaContext = schemaContext;
28     }
29
30     @Override
31     public DOMStoreReadTransaction newReadOnlyTransaction() {
32         return new TransactionProxy(actorContext,
33             TransactionProxy.TransactionType.READ_ONLY, schemaContext);
34     }
35
36     @Override
37     public DOMStoreReadWriteTransaction newReadWriteTransaction() {
38         return new TransactionProxy(actorContext,
39             TransactionProxy.TransactionType.READ_WRITE, schemaContext);
40     }
41
42     @Override
43     public DOMStoreWriteTransaction newWriteOnlyTransaction() {
44         return new TransactionProxy(actorContext,
45             TransactionProxy.TransactionType.WRITE_ONLY, schemaContext);
46     }
47
48     @Override
49     public void close() {
50         // FIXME : The problem here is don't know which shard the transaction chain is to be created on ???
51         throw new UnsupportedOperationException("close - not sure what to do here?");
52     }
53 }

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