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.Optional;
  12 import java.util.function.Function;
  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 extends AbstractDOMForwardedTransaction<DOMStoreReadTransaction>
  28         implements DOMDataTreeQueryReadTransaction {
  29     DOMForwardedReadOnlyTransaction(final Object identifier,
  30             final Function<LogicalDatastoreType, DOMStoreReadTransaction> txSupplier) {
  31         super(identifier, txSupplier);
  32     }
  33
  34     @Override
  35     public FluentFuture<Optional<NormalizedNode>> read(final LogicalDatastoreType store,
  36             final YangInstanceIdentifier path) {
  37         return getSubtransaction(store).read(path);
  38     }
  39
  40     @Override
  41     public FluentFuture<Boolean> exists(final LogicalDatastoreType store, final YangInstanceIdentifier path) {
  42         return getSubtransaction(store).exists(path);
  43     }
  44
  45     @Override
  46     public FluentFuture<DOMQueryResult> execute(final LogicalDatastoreType store, final DOMQuery query) {
  47         return getSubtransaction(store).execute(query);
  48     }
  49
  50     @Override
  51     public void close() {
  52         closeSubtransactions();
  53     }
  54 }