com.tascape.reactor.task.Priority Maven / Gradle / Ivy

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/*
 * Copyright (c) 2015 - present Nebula Bay.
 * 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.tascape.reactor.task;

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

/**
 * Level: 0, 1, 2, 3, whereas 0 is the top priority.
 *
 * @author linsong wang
 */
@Target(value = {ElementType.METHOD, ElementType.TYPE})
@Retention(RetentionPolicy.RUNTIME)
@SuppressWarnings("PackageVisibleField")
public @interface Priority {
    int NONE = -1;

    int P0 = 0;

    int P1 = 1;

    int P2 = 2;

    int P3 = 3;

    int level() default 3;
}