com.datastax.oss.driver.internal.core.metadata.token.EverywhereReplicationStrategy Maven / Gradle / Ivy
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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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,
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* See the License for the specific language governing permissions and
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package com.datastax.oss.driver.internal.core.metadata.token;
import com.datastax.oss.driver.api.core.metadata.Node;
import com.datastax.oss.driver.api.core.metadata.token.Token;
import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableMap;
import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import net.jcip.annotations.ThreadSafe;
@ThreadSafe
public class EverywhereReplicationStrategy implements ReplicationStrategy {
@Override
public Map> computeReplicasByToken(
Map tokenToPrimary, List ring) {
ImmutableMap.Builder> result = ImmutableMap.builder();
Set allNodes = ImmutableSet.copyOf(tokenToPrimary.values());
for (Token token : tokenToPrimary.keySet()) {
result = result.put(token, allNodes);
}
return result.build();
}
}