simpledampercontroller.java

来自「这是一个以JAVA编写的程序,本人还没有试过,是一个简单的温度控制系统」· Java 代码 · 共 61 行

package net.sf.dz.device.model.impl;

import java.io.IOException;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;

import org.freehold.jukebox.logger.LogAware;
import org.freehold.jukebox.logger.LogChannel;

import net.sf.dz.device.actuator.Damper;
import net.sf.dz.device.model.DamperController;
import net.sf.dz.device.model.Thermostat;

public class SimpleDamperController extends LogAware implements DamperController {

    public static final LogChannel CH_SDC = new LogChannel("DamperCtl/Simple");
    
    private Map ts2damper = new HashMap();
    private Map damper2ts = new HashMap();

    public void put(Thermostat ts, Damper damper) {
    
        ts2damper.put(ts, damper);
        damper2ts.put(damper, ts);
    }
    
    public Damper getDamper(Thermostat ts) {
    
        return (Damper)ts2damper.get(ts);
    }
    
    public Thermostat getThermostat(Damper damper) {
    
        return (Thermostat)damper2ts.get(damper);
    }
    
    public void set(Damper damper, double position) {
    
        try {
        
            damper.set(position);
            
        } catch ( IOException ioex ) {
        
            // VT: FIXME: Actually, it's more complicated than this. The
            // zone whose damper has failed to respond must be alerted, if
            // all the dampers have failed, then it's quite possible that
            // the HVAC unit must be stopped (especially if the previous
            // damper state was 'closed' or 'unknown'), and so on.
            
            complain(LOG_ALERT, CH_SDC, "Failure to set damper:", ioex);
        }
    }
    
    public Iterator iterator() {
    
        return ts2damper.keySet().iterator();
    }
}