opendaylight/md-sal/sal-dom-compat/src/main/java/org/opendaylight/controller/sal/core/compat/DOMStoreAdapter.java

   1 /*
   2  * Copyright (c) 2018 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.controller.sal.core.compat;
   9
  10 import com.google.common.collect.ForwardingObject;
  11 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataBroker.DataChangeScope;
  12 import org.opendaylight.controller.md.sal.common.api.data.AsyncDataChangeListener;
  13 import org.opendaylight.controller.md.sal.dom.api.DOMDataTreeChangeListener;
  14 import org.opendaylight.controller.sal.core.spi.data.DOMStore;
  15 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
  16 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
  17 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
  18 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTreeChangePublisher;
  19 import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
  20 import org.opendaylight.yangtools.concepts.AbstractListenerRegistration;
  21 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  22 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  23 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
  24
  25 public abstract class DOMStoreAdapter<T extends org.opendaylight.mdsal.dom.spi.store.DOMStore
  26         & org.opendaylight.mdsal.dom.spi.store.DOMStoreTreeChangePublisher> extends ForwardingObject
  27         implements DOMStore, DOMStoreTreeChangePublisher {
  28     @Override
  29     protected abstract T delegate();
  30
  31     @Override
  32     public DOMStoreReadTransaction newReadOnlyTransaction() {
  33         return new DOMStoreReadTransactionAdapter<>(delegate().newReadOnlyTransaction());
  34     }
  35
  36     @Override
  37     public DOMStoreReadWriteTransaction newReadWriteTransaction() {
  38         return new DOMStoreReadWriteTransactionAdapter(delegate().newReadWriteTransaction());
  39     }
  40
  41     @Override
  42     public DOMStoreWriteTransaction newWriteOnlyTransaction() {
  43         return new DOMStoreWriteTransactionAdapter(delegate().newWriteOnlyTransaction());
  44     }
  45
  46     @Override
  47     public DOMStoreTransactionChain createTransactionChain() {
  48         return new DOMStoreTransactionChainAdapter(delegate().createTransactionChain());
  49     }
  50
  51     @Override
  52     public <L extends AsyncDataChangeListener<YangInstanceIdentifier, NormalizedNode<?, ?>>> ListenerRegistration<L>
  53             registerChangeListener(final YangInstanceIdentifier path, final L listener, final DataChangeScope scope) {
  54         throw new UnsupportedOperationException();
  55     }
  56
  57     @Override
  58     public <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerTreeChangeListener(
  59             final YangInstanceIdentifier treeId, final L listener) {
  60         final ListenerRegistration<?> reg = delegate().registerTreeChangeListener(treeId, listener::onDataTreeChanged);
  61         return new AbstractListenerRegistration<L>(listener) {
  62             @Override
  63             protected void removeRegistration() {
  64                 reg.close();
  65             }
  66         };
  67     }
  68 }