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.base.Optional;
  11 import com.google.common.util.concurrent.CheckedFuture;
  12 import java.util.Map;
  13 import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
  14 import org.opendaylight.mdsal.common.api.ReadFailedException;
  15 import org.opendaylight.mdsal.dom.api.DOMDataTreeReadWriteTransaction;
  16 import org.opendaylight.mdsal.dom.spi.store.DOMStoreReadWriteTransaction;
  17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  18 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  19
  20 /**
  21  * Read-Write Transaction, which is composed of several
  22  * {@link DOMStoreReadWriteTransaction} transactions. Subtransaction is selected by
  23  * {@link LogicalDatastoreType} type parameter in:
  24  *
  25  * <ul>
  26  * <li>{@link #read(LogicalDatastoreType, YangInstanceIdentifier)}
  27  * <li>{@link #put(LogicalDatastoreType, YangInstanceIdentifier, NormalizedNode)}
  28  * <li>{@link #delete(LogicalDatastoreType, YangInstanceIdentifier)}
  29  * <li>{@link #merge(LogicalDatastoreType, YangInstanceIdentifier, NormalizedNode)}
  30  * </ul>
  31  *
  32  * <p>
  33  * {@link #submit()} will result in invocation of
  34  * {@link DOMDataCommitImplementation#submit(org.opendaylight.mdsal.dom.api.DOMDataTreeWriteTransaction, Iterable)}
  35  * invocation with all
  36  * {@link org.opendaylight.mdsal.dom.spi.store.DOMStoreThreePhaseCommitCohort} for
  37  * underlying transactions.
  38  */
  39 final class DOMForwardedReadWriteTransaction extends DOMForwardedWriteTransaction<DOMStoreReadWriteTransaction>
  40         implements DOMDataTreeReadWriteTransaction {
  41
  42     protected DOMForwardedReadWriteTransaction(final Object identifier,
  43             final Map<LogicalDatastoreType, DOMStoreReadWriteTransaction> backingTxs,
  44             final AbstractDOMForwardedTransactionFactory<?> commitImpl) {
  45         super(identifier, backingTxs, commitImpl);
  46     }
  47
  48     @Override
  49     public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(final LogicalDatastoreType store,
  50             final YangInstanceIdentifier path) {
  51         return getSubtransaction(store).read(path);
  52     }
  53
  54     @Override
  55     public CheckedFuture<Boolean, ReadFailedException> exists(final LogicalDatastoreType store,
  56             final YangInstanceIdentifier path) {
  57         return getSubtransaction(store).exists(path);
  58     }
  59
  60     @Override
  61     public void close() {
  62         closeSubtransactions();
  63     }
  64 }