TokenMapSupplier.java

/*******************************************************************************
 * Copyright 2011 Netflix
 * 
 * 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.dyno.connectionpool;

import java.util.List;
import java.util.Set;

import com.netflix.dyno.connectionpool.impl.lb.HostToken;

/**
 * Interface for supplying the list of {@link HostToken} that represent the
 * dynomite server topology
 * 
 * @author poberai
 *
 */
public interface TokenMapSupplier {

    /**
     * @return List<HostToken>
     */
    public List<HostToken> getTokens(Set<Host> activeHosts);

    /**
     * 
     * @param host
     * @return
     */
    public HostToken getTokenForHost(final Host host, final Set<Host> activeHosts);
}