/*
 ***************************************************************************************
 *  Copyright (C) 2006 EsperTech, Inc. All rights reserved.                            *
 *  http://www.espertech.com/esper                                                     *
 *  http://www.espertech.com                                                           *
 *  ---------------------------------------------------------------------------------- *
 *  The software in this package is published under the terms of the GPL license       *
 *  a copy of which has been included with this distribution in the license.txt file.  *
 ***************************************************************************************
 */
package com.espertech.esper.epl.variable;

import com.espertech.esper.collection.Pair;

import java.util.Map;

/**
 * Thread-specific state in regards to variable versions.
 */
public class VariableVersionThreadEntry {
    private Integer version;
    private Map<Integer, Pair<Integer, Object>> uncommitted;

    /**
     * Ctor.
     *
     * @param version     current version number of the variables visible to thread
     * @param uncommitted the uncommitted values of variables for the thread, if any
     */
    public VariableVersionThreadEntry(int version, Map<Integer, Pair<Integer, Object>> uncommitted) {
        this.version = version;
        this.uncommitted = uncommitted;
    }

    /**
     * Returns the version visible for a thread.
     *
     * @return version number
     */
    public Integer getVersion() {
        return version;
    }

    /**
     * Sets the version visible for a thread.
     *
     * @param version version number
     */
    public void setVersion(Integer version) {
        this.version = version;
    }

    /**
     * Returns a map of variable number and uncommitted value, or empty map or null if none exist
     *
     * @return uncommitted values
     */
    public Map<Integer, Pair<Integer, Object>> getUncommitted() {
        return uncommitted;
    }

    /**
     * Sets a map of variable number and uncommitted value, or empty map or null if none exist
     *
     * @param uncommitted uncommitted values
     */
    public void setUncommitted(Map<Integer, Pair<Integer, Object>> uncommitted) {
        this.uncommitted = uncommitted;
    }
}