ch.rasc.xodusqueue.serializer.BigIntegerXodusQueueSerializer Maven / Gradle / Ivy

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Persistent java.util.Queue implementation with Xodus

There is a newer version: 1.0.2

/**
 * Copyright 2018-2018 the original author or authors.
 *
 * 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 ch.rasc.xodusqueue.serializer;

import java.math.BigInteger;
import java.util.Arrays;

import jetbrains.exodus.ArrayByteIterable;
import jetbrains.exodus.ByteIterable;

public class BigIntegerXodusQueueSerializer implements XodusQueueSerializer {

	@Override
	public BigInteger fromEntry(ByteIterable value) {
		ArrayByteIterable abi = new ArrayByteIterable(value);
		return new BigInteger(Arrays.copyOf(abi.getBytesUnsafe(), abi.getLength()));
	}

	@Override
	public ByteIterable toEntry(BigInteger element) {
		return new ArrayByteIterable(element.toByteArray());
	}

}