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/*
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
 *
 * Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
 *
 * The contents of this file are subject to the terms of either the GNU
 * General Public License Version 2 only ("GPL") or the Common Development
 * and Distribution License("CDDL") (collectively, the "License").  You
 * may not use this file except in compliance with the License.  You can
 * obtain a copy of the License at
 * https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
 * or packager/legal/LICENSE.txt.  See the License for the specific
 * language governing permissions and limitations under the License.
 *
 * When distributing the software, include this License Header Notice in each
 * file and include the License file at packager/legal/LICENSE.txt.
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 * GPL Classpath Exception:
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 * exception as provided by Oracle in the GPL Version 2 section of the License
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 *
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package org.glassfish.config.support;

import org.glassfish.api.I18n;
import org.jvnet.hk2.config.GenerateServiceFromMethod;
import org.jvnet.hk2.config.GeneratedServiceName;

import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.Target;

import static java.lang.annotation.RetentionPolicy.RUNTIME;

/**
 * List command column annotation.
 *
 * This annotation works with the Listing annotation to provide additional 
 * information about columns in the output. The annotation can be placed on 
 * any method that takes no arguments and returns a type that can be converted to
 * a String, including DuckTyped methods.
 * 
 * @author Tom Mueller
 */
@Retention(RUNTIME)
@Target(ElementType.METHOD)
public @interface ListingColumn {
    /** 
     * Determines the order of the columns from left to right. The "key" attribute
     * is assigned order value 0. Higher order values are for columns further
     * to the right. 
     */
    int order() default GenericListCommand.ColumnInfo.NONKEY_ORDER;
    
    /**
     * Returns the header for the column.  The calculate dvalue is the method
     * name converted to XML form, e.g., getSomeAttr is SOME-ATTR
     */
    String header() default ""; 
     
    /**
     * Determines whether a column should be excluded from the output. The default
     * is false. 
     */
    boolean exclude() default false;
    
    /** 
     * Determines whether a column should be included in the --long output by
     * default.  The default is true.
     */
    boolean inLongByDefault() default true;
}