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 static java.util.Objects.requireNonNull;
  11
  12 import com.google.common.base.Optional;
  13 import com.google.common.base.Preconditions;
  14 import com.google.common.util.concurrent.CheckedFuture;
  15 import com.google.common.util.concurrent.Futures;
  16 import com.google.common.util.concurrent.MoreExecutors;
  17 import org.opendaylight.controller.md.sal.common.api.MappingCheckedFuture;
  18 import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
  19 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
  20 import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
  21 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadTransaction;
  22 import org.opendaylight.yangtools.concepts.Delegator;
  23 import org.opendaylight.yangtools.concepts.Identifiable;
  24 import org.opendaylight.yangtools.yang.binding.DataObject;
  25 import org.opendaylight.yangtools.yang.binding.InstanceIdentifier;
  26 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  27 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  28
  29 @Deprecated
  30 abstract class AbstractForwardedTransaction<T extends AsyncTransaction<YangInstanceIdentifier, NormalizedNode<?, ?>>>
  31         implements Delegator<T>, Identifiable<Object> {
  32
  33     private final T delegate;
  34     private final BindingToNormalizedNodeCodec codec;
  35
  36     AbstractForwardedTransaction(final T delegateTx, final BindingToNormalizedNodeCodec codec) {
  37         this.delegate = requireNonNull(delegateTx, "Delegate must not be null");
  38         this.codec = requireNonNull(codec, "Codec must not be null");
  39     }
  40
  41     @Override
  42     public final  Object getIdentifier() {
  43         return delegate.getIdentifier();
  44     }
  45
  46     @Override
  47     public final  T getDelegate() {
  48         return delegate;
  49     }
  50
  51     @SuppressWarnings("unchecked")
  52     protected final <S extends AsyncTransaction<YangInstanceIdentifier, NormalizedNode<?, ?>>>
  53             S getDelegateChecked(final Class<S> txType) {
  54         Preconditions.checkState(txType.isInstance(delegate));
  55         return (S) delegate;
  56     }
  57
  58     protected final BindingToNormalizedNodeCodec getCodec() {
  59         return codec;
  60     }
  61
  62     protected final <D extends DataObject> CheckedFuture<Optional<D>, ReadFailedException> doRead(
  63             final DOMDataReadTransaction readTx, final LogicalDatastoreType store,
  64             final InstanceIdentifier<D> path) {
  65         Preconditions.checkArgument(!path.isWildcarded(), "Invalid read of wildcarded path %s", path);
  66
  67         return MappingCheckedFuture.create(
  68             Futures.transform(readTx.read(store, codec.toYangInstanceIdentifierBlocking(path)),
  69                 result -> Optional.fromJavaUtil(codec.deserializeFunction(path).apply(result.toJavaUtil())),
  70                 MoreExecutors.directExecutor()),
  71             ReadFailedException.MAPPER);
  72     }
  73
  74     protected final CheckedFuture<Boolean, ReadFailedException> doExists(
  75             final DOMDataReadTransaction readTx, final LogicalDatastoreType store,
  76             final InstanceIdentifier<?> path) {
  77         Preconditions.checkArgument(!path.isWildcarded(), "Invalid read of wildcarded path %s", path);
  78
  79         return MappingCheckedFuture.create(readTx.exists(store, codec.toYangInstanceIdentifierBlocking(path)),
  80             ReadFailedException.MAPPER);
  81     }
  82 }