netconf/netconf-topology-singleton/src/main/java/org/opendaylight/netconf/topology/singleton/impl/tx/FailedProxyTransactionFacade.java

   1 /*
   2  * Copyright (c) 2018 Inocybe Technologies 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.netconf.topology.singleton.impl.tx;
   9
  10 import com.google.common.base.Optional;
  11 import com.google.common.util.concurrent.CheckedFuture;
  12 import com.google.common.util.concurrent.FluentFuture;
  13 import com.google.common.util.concurrent.Futures;
  14 import java.util.Objects;
  15 import org.eclipse.jdt.annotation.NonNull;
  16 import org.opendaylight.controller.md.sal.common.api.data.AsyncWriteTransaction;
  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.common.api.data.TransactionCommitFailedException;
  20 import org.opendaylight.mdsal.common.api.CommitInfo;
  21 import org.opendaylight.netconf.sal.connect.util.RemoteDeviceId;
  22 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  23 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  24 import org.slf4j.Logger;
  25 import org.slf4j.LoggerFactory;
  26
  27 /**
  28  * Implementation of ProxyTransactionFacade that fails each request.
  29  *
  30  * @author Thomas Pantelis
  31  */
  32 class FailedProxyTransactionFacade implements ProxyTransactionFacade {
  33     private static final Logger LOG = LoggerFactory.getLogger(FailedProxyTransactionFacade.class);
  34
  35     private final RemoteDeviceId id;
  36     private final Throwable failure;
  37
  38     FailedProxyTransactionFacade(final RemoteDeviceId id, final Throwable failure) {
  39         this.id = Objects.requireNonNull(id);
  40         this.failure = Objects.requireNonNull(failure);
  41     }
  42
  43     @Override
  44     public Object getIdentifier() {
  45         return id;
  46     }
  47
  48     @Override
  49     public boolean cancel() {
  50         return true;
  51     }
  52
  53     @Override
  54     public CheckedFuture<Optional<NormalizedNode<?, ?>>, ReadFailedException> read(final LogicalDatastoreType store,
  55             final YangInstanceIdentifier path) {
  56         LOG.debug("{}: Read {} {} - failure", id, store, path, failure);
  57         return Futures.immediateFailedCheckedFuture(ReadFailedException.MAPPER.apply(
  58                 failure instanceof Exception ? (Exception)failure : new ReadFailedException("read", failure)));
  59     }
  60
  61     @Override
  62     public CheckedFuture<Boolean, ReadFailedException> exists(final LogicalDatastoreType store,
  63             final YangInstanceIdentifier path) {
  64         LOG.debug("{}: Exists {} {} - failure", id, store, path, failure);
  65         return Futures.immediateFailedCheckedFuture(ReadFailedException.MAPPER.apply(
  66                 failure instanceof Exception ? (Exception)failure : new ReadFailedException("read", failure)));
  67     }
  68
  69     @Override
  70     public void delete(final LogicalDatastoreType store, final YangInstanceIdentifier path) {
  71         LOG.debug("{}: Delete {} {} - failure", id, store, path, failure);
  72     }
  73
  74     @Override
  75     public void put(final LogicalDatastoreType store, final YangInstanceIdentifier path,
  76             final NormalizedNode<?, ?> data) {
  77         LOG.debug("{}: Put {} {} - failure", id, store, path, failure);
  78     }
  79
  80     @Override
  81     public void merge(final LogicalDatastoreType store, final YangInstanceIdentifier path,
  82             final NormalizedNode<?, ?> data) {
  83         LOG.debug("{}: Merge {} {} - failure", id, store, path, failure);
  84     }
  85
  86     @Override
  87     public @NonNull FluentFuture<? extends @NonNull CommitInfo> commit() {
  88         LOG.debug("{}: Commit - failure", id, failure);
  89         return FluentFuture.from(Futures.immediateFailedFuture(failure instanceof Exception
  90                 ? AsyncWriteTransaction.SUBMIT_EXCEPTION_MAPPER.apply((Exception)failure)
  91                         : new TransactionCommitFailedException("commit", failure)));
  92     }
  93 }