X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fsharding%2FDistributedShardFrontend.java;fp=opendaylight%2Fmd-sal%2Fsal-distributed-datastore%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fcluster%2Fsharding%2FDistributedShardFrontend.java;h=0000000000000000000000000000000000000000;hb=5f587c3e2bfabc09fec49463d04a6fbeba414e9c;hp=81322cba738a61f0c23fc0bad0ad0f126bd7fdb8;hpb=a35607c5040d0fd561529fde3032c9f49393deeb;p=controller.git

diff --git a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/sharding/DistributedShardFrontend.java b/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/sharding/DistributedShardFrontend.java
deleted file mode 100644
index 81322cba73..0000000000
--- a/opendaylight/md-sal/sal-distributed-datastore/src/main/java/org/opendaylight/controller/cluster/sharding/DistributedShardFrontend.java
+++ /dev/null
@@ -1,141 +0,0 @@
-/*
- * Copyright (c) 2016 Cisco Systems, Inc. and others.  All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-package org.opendaylight.controller.cluster.sharding;
-
-import static com.google.common.base.Preconditions.checkArgument;
-import static java.util.Objects.requireNonNull;
-
-import java.util.ArrayList;
-import java.util.Collection;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-import org.checkerframework.checker.lock.qual.GuardedBy;
-import org.opendaylight.controller.cluster.databroker.actors.dds.DataStoreClient;
-import org.opendaylight.controller.cluster.datastore.DistributedDataStoreInterface;
-import org.opendaylight.mdsal.dom.api.DOMDataTreeChangeListener;
-import org.opendaylight.mdsal.dom.api.DOMDataTreeIdentifier;
-import org.opendaylight.mdsal.dom.api.DOMDataTreeShard;
-import org.opendaylight.mdsal.dom.spi.shard.ChildShardContext;
-import org.opendaylight.mdsal.dom.spi.shard.DOMDataTreeShardProducer;
-import org.opendaylight.mdsal.dom.spi.shard.ForeignShardModificationContext;
-import org.opendaylight.mdsal.dom.spi.shard.ReadableWriteableDOMDataTreeShard;
-import org.opendaylight.mdsal.dom.spi.shard.SubshardProducerSpecification;
-import org.opendaylight.mdsal.dom.spi.shard.WriteableDOMDataTreeShard;
-import org.opendaylight.yangtools.concepts.ListenerRegistration;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-
-/**
- * Proxy implementation of a shard that creates forwarding producers to the backend shard.
- */
-@Deprecated(forRemoval = true)
-class DistributedShardFrontend implements ReadableWriteableDOMDataTreeShard {
-
-    private static final Logger LOG = LoggerFactory.getLogger(DistributedShardFrontend.class);
-
-    private final DataStoreClient client;
-    private final DOMDataTreeIdentifier shardRoot;
-    @GuardedBy("this")
-    private final Map<DOMDataTreeIdentifier, ChildShardContext> childShards = new HashMap<>();
-    @GuardedBy("this")
-    private final List<ShardProxyProducer> producers = new ArrayList<>();
-
-    private final DistributedShardChangePublisher publisher;
-
-    DistributedShardFrontend(final DistributedDataStoreInterface distributedDataStore,
-                             final DataStoreClient client,
-                             final DOMDataTreeIdentifier shardRoot) {
-        this.client = requireNonNull(client);
-        this.shardRoot = requireNonNull(shardRoot);
-
-        publisher = new DistributedShardChangePublisher(client, requireNonNull(distributedDataStore), shardRoot,
-            childShards);
-    }
-
-    @Override
-    public synchronized DOMDataTreeShardProducer createProducer(final Collection<DOMDataTreeIdentifier> paths) {
-        for (final DOMDataTreeIdentifier prodPrefix : paths) {
-            checkArgument(shardRoot.contains(prodPrefix), "Prefix %s is not contained under shard root", prodPrefix,
-                paths);
-        }
-
-        final ShardProxyProducer ret =
-                new ShardProxyProducer(shardRoot, paths, client, createModificationFactory(paths));
-        producers.add(ret);
-        return ret;
-    }
-
-    @Override
-    public synchronized void onChildAttached(final DOMDataTreeIdentifier prefix, final DOMDataTreeShard child) {
-        LOG.debug("{} : Child shard attached at {}", shardRoot, prefix);
-        checkArgument(child != this, "Attempted to attach child %s onto self", this);
-        addChildShard(prefix, child);
-        updateProducers();
-    }
-
-    @Override
-    public synchronized void onChildDetached(final DOMDataTreeIdentifier prefix, final DOMDataTreeShard child) {
-        LOG.debug("{} : Child shard detached at {}", shardRoot, prefix);
-        childShards.remove(prefix);
-        updateProducers();
-        // TODO we should grab the dataTreeSnapshot that's in the shard and apply it to this shard
-    }
-
-    private void addChildShard(final DOMDataTreeIdentifier prefix, final DOMDataTreeShard child) {
-        checkArgument(child instanceof WriteableDOMDataTreeShard);
-        childShards.put(prefix, new ChildShardContext(prefix, (WriteableDOMDataTreeShard) child));
-    }
-
-    DistributedShardModificationFactory createModificationFactory(final Collection<DOMDataTreeIdentifier> prefixes) {
-        // TODO this could be abstract
-        final Map<DOMDataTreeIdentifier, SubshardProducerSpecification> affectedSubshards = new HashMap<>();
-
-        for (final DOMDataTreeIdentifier producerPrefix : prefixes) {
-            for (final ChildShardContext maybeAffected : childShards.values()) {
-                final DOMDataTreeIdentifier bindPath;
-                if (producerPrefix.contains(maybeAffected.getPrefix())) {
-                    bindPath = maybeAffected.getPrefix();
-                } else if (maybeAffected.getPrefix().contains(producerPrefix)) {
-                    // Bound path is inside subshard
-                    bindPath = producerPrefix;
-                } else {
-                    continue;
-                }
-
-                SubshardProducerSpecification spec = affectedSubshards.computeIfAbsent(maybeAffected.getPrefix(),
-                    k -> new SubshardProducerSpecification(maybeAffected));
-                spec.addPrefix(bindPath);
-            }
-        }
-
-        final DistributedShardModificationFactoryBuilder builder =
-                new DistributedShardModificationFactoryBuilder(shardRoot);
-        for (final SubshardProducerSpecification spec : affectedSubshards.values()) {
-            final ForeignShardModificationContext foreignContext =
-                    new ForeignShardModificationContext(spec.getPrefix(), spec.createProducer());
-            builder.addSubshard(foreignContext);
-            builder.addSubshard(spec.getPrefix(), foreignContext);
-        }
-
-        return builder.build();
-    }
-
-    private void updateProducers() {
-        for (final ShardProxyProducer producer : producers) {
-            producer.setModificationFactory(createModificationFactory(producer.getPrefixes()));
-        }
-    }
-
-    @Override
-    public <L extends DOMDataTreeChangeListener> ListenerRegistration<L> registerTreeChangeListener(
-            final YangInstanceIdentifier treeId, final L listener) {
-        return publisher.registerTreeChangeListener(treeId, listener);
-    }
-}