binding2/mdsal-binding2-dom-adapter/src/main/java/org/opendaylight/mdsal/binding/javav2/dom/adapter/impl/data/tree/BindingDOMDataTreeCommitCohortAdapter.java

   1 /*
   2  * Copyright (c) 2017 Pantheon Technologies s.r.o. 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.binding.javav2.dom.adapter.impl.data.tree;
   9
  10 import static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.annotations.Beta;
  13 import com.google.common.util.concurrent.FluentFuture;
  14 import com.google.common.util.concurrent.SettableFuture;
  15 import java.util.Collection;
  16 import java.util.stream.Collectors;
  17 import javax.annotation.Nonnull;
  18 import org.opendaylight.mdsal.binding.javav2.api.DataTreeCommitCohort;
  19 import org.opendaylight.mdsal.binding.javav2.api.DataTreeModification;
  20 import org.opendaylight.mdsal.binding.javav2.dom.codec.impl.BindingToNormalizedNodeCodec;
  21 import org.opendaylight.mdsal.binding.javav2.dom.codec.modification.LazyDataTreeModification;
  22 import org.opendaylight.mdsal.binding.javav2.spec.base.TreeNode;
  23 import org.opendaylight.mdsal.common.api.PostCanCommitStep;
  24 import org.opendaylight.mdsal.dom.api.DOMDataTreeCandidate;
  25 import org.opendaylight.mdsal.dom.api.DOMDataTreeCommitCohort;
  26 import org.opendaylight.yangtools.yang.model.api.SchemaContext;
  27
  28 /**
  29  * Data tree commit cohort adapter.
  30  *
  31  * @param <T>
  32  *            - {@link TreeNode} type
  33  */
  34 @Beta
  35 public class BindingDOMDataTreeCommitCohortAdapter<T extends TreeNode> implements DOMDataTreeCommitCohort {
  36
  37     private final BindingToNormalizedNodeCodec codec;
  38     private final DataTreeCommitCohort<T> cohort;
  39
  40     public BindingDOMDataTreeCommitCohortAdapter(final BindingToNormalizedNodeCodec codec,
  41             final DataTreeCommitCohort<T> cohort) {
  42         this.codec = requireNonNull(codec);
  43         this.cohort = requireNonNull(cohort);
  44     }
  45
  46     @Nonnull
  47     @Override
  48     public FluentFuture<PostCanCommitStep> canCommit(Object txId, SchemaContext ctx,
  49             Collection<DOMDataTreeCandidate> candidates)  {
  50         final Collection<DataTreeModification<T>> modifications = candidates.stream().map(
  51             candidate -> LazyDataTreeModification.<T>create(codec, candidate)).collect(Collectors.toList());
  52         final SettableFuture<PostCanCommitStep> resultFuture = SettableFuture.create();
  53
  54         cohort.canCommit(txId, modifications, (ex, pccs) -> {
  55             if (ex != null) {
  56                 resultFuture.setException(ex);
  57             } else {
  58                 resultFuture.set(pccs);
  59             }
  60         });
  61
  62         return resultFuture;
  63     }
  64 }
  65