dubbo DeltaResource 源码

  • 2022-10-20
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dubbo DeltaResource 代码

文件路径:/dubbo-xds/src/main/java/org/apache/dubbo/registry/xds/util/protocol/DeltaResource.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.dubbo.registry.xds.util.protocol;

/**
 * A interface for resources in xDS, which can be updated by ADS delta stream
 * <br/>
 * This interface is design to unify the way of fetching data in delta stream
 * in {@link org.apache.dubbo.registry.xds.util.PilotExchanger}
 */
public interface DeltaResource<T> {
    /**
     * Get resource from delta stream
     *
     * @return the newest resource from stream
     */
    T getResource();
}

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