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