com.datastax.oss.driver.internal.core.metadata.token.Murmur3Token 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.api.core.metadata.token.Token;
import com.datastax.oss.driver.shaded.guava.common.base.Preconditions;
import com.datastax.oss.driver.shaded.guava.common.primitives.Longs;
import edu.umd.cs.findbugs.annotations.NonNull;
import net.jcip.annotations.Immutable;
/** A token generated by {@code Murmur3Partitioner}. */
@Immutable
public class Murmur3Token implements Token {
private final long value;
public Murmur3Token(long value) {
this.value = value;
}
public long getValue() {
return value;
}
@Override
public boolean equals(Object other) {
if (other == this) {
return true;
} else if (other instanceof Murmur3Token) {
Murmur3Token that = (Murmur3Token) other;
return this.value == that.value;
} else {
return false;
}
}
@Override
public int hashCode() {
return (int) (value ^ (value >>> 32));
}
@Override
public int compareTo(@NonNull Token other) {
Preconditions.checkArgument(
other instanceof Murmur3Token, "Can only compare tokens of the same type");
Murmur3Token that = (Murmur3Token) other;
return Longs.compare(this.value, that.value);
}
@Override
public String toString() {
return "Murmur3Token(" + value + ")";
}
}