com.hazelcast.jet.config.JobClassLoaderFactory Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2018, Hazelcast, Inc. All Rights Reserved.
*
* 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 com.hazelcast.jet.config;
import javax.annotation.Nonnull;
import java.io.Serializable;
/**
* An interface that can be implemented to provide custom class loader for Jet
* job.
*
* The classloader must be serializable: it is set in the {@link
* JobConfig#setClassLoaderFactory config} and sent to members in a serialized
* form.
*
* It is useful in custom class-loading environments, for example in OSGi.
*/
public interface JobClassLoaderFactory extends Serializable {
/**
* Return the class loader instance.
*/
@Nonnull
ClassLoader getJobClassLoader();
}