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package javax.annotation;

import static java.lang.annotation.ElementType.PARAMETER;
import static java.lang.annotation.ElementType.TYPE;
import static java.lang.annotation.RetentionPolicy.RUNTIME;

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

/**
 * The <code>Priority</code> annotation can be applied to classes or parameters
 * to indicate in what order they should be used. The effect of using the
 * <code>Priority</code> annotation in any particular instance is defined by
 * other specifications that define the use of a specific class.
 * <p>
 * For example, the Interceptors specification defines the use of priorities on
 * interceptors to control the order in which interceptors are called.
 * </p>
 * <p>
 * Priority values should generally be non-negative, with negative values
 * reserved for special meanings such as "undefined" or "not specified". A
 * specification that defines use of the <code>Priority</code> annotation may
 * define the range of allowed priorities and any priority values with special
 * meaning.
 * </p>
 *
 * @since Common Annotations 1.2
 */
@Target({ TYPE, PARAMETER })
@Retention(RUNTIME)
@Documented
public @interface Priority {
	/**
	 * The priority value.
	 */
	int value();
}