org.apache.cassandra.serializers.TypeSerializer Maven / Gradle / Ivy
/*
* 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 org.apache.cassandra.serializers;
import java.nio.ByteBuffer;
public interface TypeSerializer
{
public ByteBuffer serialize(T value);
/*
* Does not modify the position or limit of the buffer even temporarily.
*/
public T deserialize(ByteBuffer bytes);
/*
* Validate that the byte array is a valid sequence for the type this represents.
* This guarantees deserialize() can be called without errors.
*
* Does not modify the position or limit of the buffer even temporarily
*/
public void validate(ByteBuffer bytes) throws MarshalException;
public String toString(T value);
public Class getType();
public default String toCQLLiteral(ByteBuffer buffer)
{
return buffer == null || !buffer.hasRemaining()
? "null"
: toString(deserialize(buffer));
}
}