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/*
* Copyright 2015 Open Networking Laboratory
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.onosproject.store.ecmap;
import com.google.common.base.MoreObjects;
import com.google.common.collect.ImmutableMap;
import org.onosproject.cluster.NodeId;
import java.util.Map;
import static com.google.common.base.Preconditions.checkNotNull;
/**
* Anti-entropy advertisement message for eventually consistent map.
*/
public class AntiEntropyAdvertisement<K> {
private final NodeId sender;
private final Map<K, MapValue.Digest> digest;
/**
* Creates a new anti entropy advertisement message.
*
* @param sender the sender's node ID
* @param digest for map entries
*/
public AntiEntropyAdvertisement(NodeId sender,
Map<K, MapValue.Digest> digest) {
this.sender = checkNotNull(sender);
this.digest = ImmutableMap.copyOf(checkNotNull(digest));
}
/**
* Returns the sender's node ID.
*
* @return the sender's node ID
*/
public NodeId sender() {
return sender;
}
/**
* Returns the digest for map entries.
*
* @return mapping from key to associated digest
*/
public Map<K, MapValue.Digest> digest() {
return digest;
}
@Override
public String toString() {
return MoreObjects.toStringHelper(getClass())
.add("sender", sender)
.add("totalEntries", digest.size())
.toString();
}
}
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