com.datastax.oss.driver.internal.core.metadata.token.DefaultTokenFactoryRegistry 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,
* 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 com.datastax.oss.driver.internal.core.metadata.token;
import com.datastax.oss.driver.internal.core.context.InternalDriverContext;
import net.jcip.annotations.ThreadSafe;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
@ThreadSafe
public class DefaultTokenFactoryRegistry implements TokenFactoryRegistry {
private static final Logger LOG = LoggerFactory.getLogger(DefaultTokenFactoryRegistry.class);
private final String logPrefix;
public DefaultTokenFactoryRegistry(InternalDriverContext context) {
this.logPrefix = context.getSessionName();
}
@Override
public TokenFactory tokenFactoryFor(String partitioner) {
if (Murmur3TokenFactory.PARTITIONER_NAME.equals(partitioner)) {
LOG.debug("[{}] Detected Murmur3 partitioner ({})", logPrefix, partitioner);
return new Murmur3TokenFactory();
} else if (RandomTokenFactory.PARTITIONER_NAME.equals(partitioner)) {
LOG.debug("[{}] Detected random partitioner ({})", logPrefix, partitioner);
return new RandomTokenFactory();
} else if (ByteOrderedTokenFactory.PARTITIONER_NAME.equals(partitioner)) {
LOG.debug("[{}] Detected byte ordered partitioner ({})", logPrefix, partitioner);
return new ByteOrderedTokenFactory();
} else {
LOG.warn(
"[{}] Unsupported partitioner '{}', token map will be empty.", logPrefix, partitioner);
return null;
}
}
}