com.netflix.curator.framework.imps.NamespaceWatcher.java Source code

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/*
 *
 *  Copyright 2011 Netflix, Inc.
 *
 *     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.netflix.curator.framework.imps;

import com.netflix.curator.framework.api.CuratorWatcher;
import org.apache.zookeeper.WatchedEvent;
import org.apache.zookeeper.Watcher;

class NamespaceWatcher implements Watcher {
    private final CuratorFrameworkImpl client;
    private final Watcher actualWatcher;
    private final CuratorWatcher curatorWatcher;

    NamespaceWatcher(CuratorFrameworkImpl client, Watcher actualWatcher) {
        this.client = client;
        this.actualWatcher = actualWatcher;
        this.curatorWatcher = null;
    }

    NamespaceWatcher(CuratorFrameworkImpl client, CuratorWatcher curatorWatcher) {
        this.client = client;
        this.actualWatcher = null;
        this.curatorWatcher = curatorWatcher;
    }

    @Override
    public void process(WatchedEvent event) {
        if (actualWatcher != null) {
            actualWatcher.process(new NamespaceWatchedEvent(client, event));
        } else if (curatorWatcher != null) {
            try {
                curatorWatcher.process(new NamespaceWatchedEvent(client, event));
            } catch (Exception e) {
                client.logError("Watcher exception", e);
            }
        }
    }
}