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Java-based middleware for in-memory processing of big data in a distributed environment.
/*
* 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.ignite.internal.util;
import org.apache.ignite.lang.IgniteProductVersion;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Marks class as it has transient fields that should be serialized.
* Annotated class must have method that returns list of transient
* fields that should be serialized.
*
* Works only for jobs. For other messages node version is not available.
*
*/
@Retention(RetentionPolicy.RUNTIME)
@Target(ElementType.TYPE)
public @interface SerializableTransient {
/**
* Name of the private static method that returns list of transient fields
* that should be serialized (String[]), and accepts {@link IgniteProductVersion}, e.g.
*
* private static String[] fields(IgniteProductVersion ver){
* return ver.compareTo("1.5.30") > 0 ? SERIALIZABLE_FIELDS : null;
* }
*
*
* On serialization version argument ver is receiver version and sender version on deserialization.
*
*
* If it returns empty array or null all transient fields will be normally ignored.
*
*
* @return Name of the method.
*/
String methodName();
}