dom/mdsal-dom-broker/src/main/java/org/opendaylight/mdsal/dom/broker/DOMForwardedReadOnlyTransaction.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 package org.opendaylight.mdsal.dom.broker;
   9
  10 import com.google.common.util.concurrent.FluentFuture;
  11 import java.util.Map;
  12 import java.util.Optional;
  13 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  14 import org.opendaylight.mdsal.dom.api.DOMDataTreeQueryReadTransaction;
  15 import org.opendaylight.mdsal.dom.api.query.DOMQuery;
  16 import org.opendaylight.mdsal.dom.api.query.DOMQueryResult;
  17 import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadTransaction;
  18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  19 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  20
  21 /**
  22  * Read Only Transaction, which is composed of several
  23  * {@link DOMStoreReadTransaction} transactions. Subtransaction is selected by
  24  * {@link LogicalDatastoreType} type parameter in
  25  * {@link #read(LogicalDatastoreType, YangInstanceIdentifier)}.
  26  */
  27 class DOMForwardedReadOnlyTransaction
  28         extends AbstractDOMForwardedCompositeTransaction<LogicalDatastoreType, DOMStoreReadTransaction>
  29         implements DOMDataTreeQueryReadTransaction {
  30
  31     protected DOMForwardedReadOnlyTransaction(final Object identifier,
  32             final Map<LogicalDatastoreType, DOMStoreReadTransaction> backingTxs) {
  33         super(identifier, backingTxs);
  34     }
  35
  36     @Override
  37     public FluentFuture<Optional<NormalizedNode>> read(final LogicalDatastoreType store,
  38             final YangInstanceIdentifier path) {
  39         return getSubtransaction(store).read(path);
  40     }
  41
  42     @Override
  43     public FluentFuture<Boolean> exists(final LogicalDatastoreType store, final YangInstanceIdentifier path) {
  44         return getSubtransaction(store).exists(path);
  45     }
  46
  47     @Override
  48     public FluentFuture<DOMQueryResult> execute(final LogicalDatastoreType store, final DOMQuery query) {
  49         return getSubtransaction(store).execute(query);
  50     }
  51
  52     @Override
  53     public void close() {
  54         closeSubtransactions();
  55     }
  56 }