same/src/main/java/com/orbekk/paxos/PaxosService.java


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package com.orbekk.paxos;

public interface PaxosService {

    /**
     * @return N == proposalNumber if a promise is made.
     *      -M if another promise already was made, where M is the promise
     *      highest proposal number.
     */
    int propose(String clientUrl, int proposalNumber) throws Exception;
    int acceptRequest(String clientUrl, int proposalNumber) throws Exception; 
}