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.dom.api.DOMDataTreeChangeListener;
  12 import org.opendaylight.controller.sal.core.spi.data.DOMStore;
  13 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadTransaction;
  14 import org.opendaylight.controller.sal.core.spi.data.DOMStoreReadWriteTransaction;
  15 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransactionChain;
  16 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTreeChangePublisher;
  17 import org.opendaylight.controller.sal.core.spi.data.DOMStoreWriteTransaction;
  18 import org.opendaylight.yangtools.concepts.AbstractListenerRegistration;
  19 import org.opendaylight.yangtools.concepts.ListenerRegistration;
  20 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
  21
  22 public abstract class DOMStoreAdapter<T extends org.opendaylight.mdsal.dom.spi.store.DOMStore
  23         & org.opendaylight.mdsal.dom.spi.store.DOMStoreTreeChangePublisher> extends ForwardingObject
  24         implements DOMStore, DOMStoreTreeChangePublisher {
  25     @Override
  26     protected abstract T delegate();
  27
  28     @Override
  29     public DOMStoreReadTransaction newReadOnlyTransaction() {
  30         return new DOMStoreReadTransactionAdapter<>(delegate().newReadOnlyTransaction());
  31     }
  32
  33     @Override
  34     public DOMStoreReadWriteTransaction newReadWriteTransaction() {
  35         return new DOMStoreReadWriteTransactionAdapter(delegate().newReadWriteTransaction());
  36     }
  37
  38     @Override
  39     public DOMStoreWriteTransaction newWriteOnlyTransaction() {
  40         return new DOMStoreWriteTransactionAdapter(delegate().newWriteOnlyTransaction());
  41     }
  42
  43     @Override
  44     public DOMStoreTransactionChain createTransactionChain() {
  45         return new DOMStoreTransactionChainAdapter(delegate().createTransactionChain());
  46     }
  47
  48     @Override
  49     public <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerTreeChangeListener(
  50             final YangInstanceIdentifier treeId, final L listener) {
  51         final ListenerRegistration<?> reg = delegate().registerTreeChangeListener(treeId, listener::onDataTreeChanged);
  52         return new AbstractListenerRegistration<L>(listener) {
  53             @Override
  54             protected void removeRegistration() {
  55                 reg.close();
  56             }
  57         };
  58     }
  59 }