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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.ensemble.fixed;

import com.google.common.base.Preconditions;
import com.netflix.curator.ensemble.EnsembleProvider;
import java.io.IOException;

/**
 * Standard ensemble provider that wraps a fixed connection string
 */
public class FixedEnsembleProvider implements EnsembleProvider
{
    private final String connectionString;

    /**
     * The connection string to use
     *
     * @param connectionString connection string
     */
    public FixedEnsembleProvider(String connectionString)
    {
        this.connectionString = Preconditions.checkNotNull(connectionString, "connectionString cannot be null");
    }

    @Override
    public void start() throws Exception
    {
        // NOP
    }

    @Override
    public void close() throws IOException
    {
        // NOP
    }

    @Override
    public String getConnectionString()
    {
        return connectionString;
    }
}