opendaylight/md-sal/sal-binding-broker/src/main/java/org/opendaylight/controller/md/sal/binding/impl/AbstractForwardedTransaction.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.controller.md.sal.binding.impl;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.base.Preconditions;
  12 import com.google.common.util.concurrent.CheckedFuture;
  13 import com.google.common.util.concurrent.Futures;
  14 import com.google.common.util.concurrent.MoreExecutors;
  15 import org.opendaylight.controller.md.sal.common.api.MappingCheckedFuture;
  16 import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
  17 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  18 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  19 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadTransaction;
  20 import org.opendaylight.yangtools.concepts.Delegator;
  21 import org.opendaylight.yangtools.concepts.Identifiable;
  22 import org.opendaylight.yangtools.yang.binding.DataObject;
  23 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  24 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  25 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  26
  27 @Deprecated
  28 abstract class AbstractForwardedTransaction<T extends AsyncTransaction<YangInstanceIdentifier, NormalizedNode<?, ?>>>
  29         implements Delegator<T>, Identifiable<Object> {
  30
  31     private final T delegate;
  32     private final BindingToNormalizedNodeCodec codec;
  33
  34     AbstractForwardedTransaction(final T delegateTx, final BindingToNormalizedNodeCodec codec) {
  35         this.delegate = Preconditions.checkNotNull(delegateTx, "Delegate must not be null");
  36         this.codec = Preconditions.checkNotNull(codec, "Codec must not be null");
  37     }
  38
  39
  40     @Override
  41     public final  Object getIdentifier() {
  42         return delegate.getIdentifier();
  43     }
  44
  45     @Override
  46     public final  T getDelegate() {
  47         return delegate;
  48     }
  49
  50     @SuppressWarnings("unchecked")
  51     protected final <S extends AsyncTransaction<YangInstanceIdentifier, NormalizedNode<?, ?>>>
  52             S getDelegateChecked(final Class<S> txType) {
  53         Preconditions.checkState(txType.isInstance(delegate));
  54         return (S) delegate;
  55     }
  56
  57     protected final BindingToNormalizedNodeCodec getCodec() {
  58         return codec;
  59     }
  60
  61     protected final <D extends DataObject> CheckedFuture<Optional<D>, ReadFailedException> doRead(
  62             final DOMDataReadTransaction readTx, final LogicalDatastoreType store,
  63             final InstanceIdentifier<D> path) {
  64         Preconditions.checkArgument(!path.isWildcarded(), "Invalid read of wildcarded path %s", path);
  65
  66         return MappingCheckedFuture.create(
  67             Futures.transform(readTx.read(store, codec.toYangInstanceIdentifierBlocking(path)),
  68                 result -> Optional.fromJavaUtil(codec.deserializeFunction(path).apply(result.toJavaUtil())),
  69                 MoreExecutors.directExecutor()),
  70             ReadFailedException.MAPPER);
  71     }
  72
  73     protected final CheckedFuture<Boolean, ReadFailedException> doExists(
  74             final DOMDataReadTransaction readTx, final LogicalDatastoreType store,
  75             final InstanceIdentifier<?> path) {
  76         Preconditions.checkArgument(!path.isWildcarded(), "Invalid read of wildcarded path %s", path);
  77
  78         return MappingCheckedFuture.create(readTx.exists(store, codec.toYangInstanceIdentifierBlocking(path)),
  79             ReadFailedException.MAPPER);
  80     }
  81 }