com.datastax.oss.driver.internal.core.metadata.token.ByteOrderedToken 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.UnsignedBytes;
import com.datastax.oss.protocol.internal.util.Bytes;
import edu.umd.cs.findbugs.annotations.NonNull;
import java.nio.ByteBuffer;
import net.jcip.annotations.Immutable;
/** A token generated by {@code ByteOrderedPartitioner}. */
@Immutable
public class ByteOrderedToken implements Token {
private final ByteBuffer value;
public ByteOrderedToken(@NonNull ByteBuffer value) {
this.value = ByteBuffer.wrap(Bytes.getArray(value)).asReadOnlyBuffer();
}
@NonNull
public ByteBuffer getValue() {
return value;
}
@Override
public boolean equals(Object other) {
if (other == this) {
return true;
} else if (other instanceof ByteOrderedToken) {
ByteOrderedToken that = (ByteOrderedToken) other;
return this.value.equals(that.getValue());
} else {
return false;
}
}
@Override
public int hashCode() {
return value.hashCode();
}
@Override
public int compareTo(@NonNull Token other) {
Preconditions.checkArgument(
other instanceof ByteOrderedToken, "Can only compare tokens of the same type");
return UnsignedBytes.lexicographicalComparator()
.compare(Bytes.getArray(value), Bytes.getArray(((ByteOrderedToken) other).value));
}
@Override
public String toString() {
return "ByteOrderedToken(" + Bytes.toHexString(value) + ")";
}
}