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Client library for EJB applications working against Wildfly - Java EE Variant

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/*
 * JBoss, Home of Professional Open Source.
 * Copyright 2017 Red Hat, Inc., and individual contributors
 * as indicated by the @author tags.
 *
 * 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 org.jboss.ejb.client.annotation;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
import java.util.zip.Deflater;

/**
 * A hint to the Enterprise Beans client API that the data being communicated between the Enterprise Beans client and the server via the {@link org.jboss.ejb.client.EJBReceiver EJBReceiver(s)} should be compressed.
 * 
 * This is just a hint and it's ultimately the Enterprise Beans client API implementation and/or the EJBReceiver(s) which decide whether or not the data will be compressed.
 *
 * @author Jaikiran Pai
 */
@Target({ElementType.METHOD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
public @interface CompressionHint {

    /**
     * True if the request data of an Enterprise Bean invocation should be compressed. False otherwise. By default this is true.
     */
    boolean compressRequest() default true;

    /**
     * True if the response data of an Enterprise Bean invocation should be compressed. False otherwise. By default this is true.
     */
    boolean compressResponse() default true;

    /**
     * The compression level to be used while compressing the data. The values can be any of those that are supported by {@link Deflater}. By default the compression level is {@link Deflater#DEFAULT_COMPRESSION}
     */
    int compressionLevel() default Deflater.DEFAULT_COMPRESSION;
}