juneau-core/juneau-marshall/src/main/java/org/apache/juneau/msgpack/annotation/MsgPackConfig.java

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package org.apache.juneau.msgpack.annotation;

import static java.lang.annotation.ElementType.*;
import static java.lang.annotation.RetentionPolicy.*;

import java.lang.annotation.*;

import org.apache.juneau.annotation.*;
import org.apache.juneau.msgpack.*;
import org.apache.juneau.serializer.*;

/**
 * Annotation for specifying config properties defined in {@link MsgPackSerializer} and {@link MsgPackParser}.
 *
 * <p>
 * Used primarily for specifying bean configuration properties on REST classes and methods.
 */
@Documented
@Target({TYPE,METHOD})
@Retention(RUNTIME)
@Inherited
@PropertyStoreApply(MsgPackConfigApply.class)
public @interface MsgPackConfig {

	/**
	 * Optional rank for this config.
	 *
	 * <p>
	 * Can be used to override default ordering and application of config annotations.
	 */
	int rank() default 0;

	//-------------------------------------------------------------------------------------------------------------------
	// MsgPackCommon
	//-------------------------------------------------------------------------------------------------------------------

	/**
	 * Dynamically applies {@link MsgPack @MsgPack} annotations to specified classes/methods/fields.
	 *
	 * <p>
	 * Provides an alternate approach for applying annotations using {@link MsgPack#on() @MsgPack.on} to specify the names
	 * to apply the annotation to.
	 *
	 * <ul class='seealso'>
	 * 	<li class='link'>{@doc juneau-marshall.DynamicallyAppliedAnnotations}
	 * </ul>
	 */
	MsgPack[] applyMsgPack() default {};

	//-------------------------------------------------------------------------------------------------------------------
	// MsgPackSerializer
	//-------------------------------------------------------------------------------------------------------------------

	/**
	 * Configuration property:  Add <js>"_type"</js> properties when needed.
	 *
	 * <p>
	 * If <js>"true"</js>, then <js>"_type"</js> properties will be added to beans if their type cannot be inferred
	 * through reflection.
	 *
	 * <p>
	 * When present, this value overrides the {@link Serializer#SERIALIZER_addBeanTypes} setting and is
	 * provided to customize the behavior of specific serializers in a {@link SerializerGroup}.
	 *
	 * <ul class='notes'>
	 * 	<li>
	 * 		Possible values:
	 * 		<ul>
	 * 			<li><js>"true"</js>
	 * 			<li><js>"false"</js> (default)
	 * 		</ul>
	 * 	<li>
	 * 		Supports {@doc DefaultSvlVariables} (e.g. <js>"$C{myConfigVar}"</js>).
	 * 	<li>
	 * 		A default global value can be set via the system property <js>"MsgPackSerializer.addBeanTypes.b"</js>.
	 * </ul>
	 *
	 * <ul class='seealso'>
	 * 	<li class='jf'>{@link MsgPackSerializer#MSGPACK_addBeanTypes}
	 * </ul>
	 */
	String addBeanTypes() default "";
}