dom/mdsal-dom-broker/src/main/java/org/opendaylight/mdsal/dom/broker/DOMForwardedReadWriteTransaction.java

   1 /*
   2  * Copyright (c) 2017 Brocade Communications 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.DOMDataTreeReadWriteTransaction;
  15 import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadWriteTransaction;
  16 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  17 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  18
  19 /**
  20  * Read-Write Transaction, which is composed of several
  21  * {@link DOMStoreReadWriteTransaction} transactions. Subtransaction is selected by
  22  * {@link LogicalDatastoreType} type parameter in:
  23  *
  24  * <ul>
  25  * <li>{@link #read(LogicalDatastoreType, YangInstanceIdentifier)}
  26  * <li>{@link #put(LogicalDatastoreType, YangInstanceIdentifier, NormalizedNode)}
  27  * <li>{@link #delete(LogicalDatastoreType, YangInstanceIdentifier)}
  28  * <li>{@link #merge(LogicalDatastoreType, YangInstanceIdentifier, NormalizedNode)}
  29  * </ul>
  30  *
  31  * <p>
  32  * {@link #submit()} will result in invocation of
  33  * {@link DOMDataCommitImplementation#submit(org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction, Iterable)}
  34  * invocation with all
  35  * {@link org.opendaylight.mdsal.dom.spi.store.DOMStoreThreePhaseCommitCohort} for
  36  * underlying transactions.
  37  */
  38 final class DOMForwardedReadWriteTransaction extends DOMForwardedWriteTransaction<DOMStoreReadWriteTransaction>
  39         implements DOMDataTreeReadWriteTransaction {
  40
  41     protected DOMForwardedReadWriteTransaction(final Object identifier,
  42             final Map<LogicalDatastoreType, DOMStoreReadWriteTransaction> backingTxs,
  43             final AbstractDOMForwardedTransactionFactory<?> commitImpl) {
  44         super(identifier, backingTxs, commitImpl);
  45     }
  46
  47     @Override
  48     public FluentFuture<Optional<NormalizedNode<?, ?>>> read(final LogicalDatastoreType store,
  49             final YangInstanceIdentifier path) {
  50         return getSubtransaction(store).read(path);
  51     }
  52
  53     @Override
  54     public FluentFuture<Boolean> exists(final LogicalDatastoreType store, final YangInstanceIdentifier path) {
  55         return getSubtransaction(store).exists(path);
  56     }
  57
  58     @Override
  59     public void close() {
  60         closeSubtransactions();
  61     }
  62 }