java/GClass.java

package gridlabd;

import java.util.Hashtable;
import java.util.Enumeration;

public class GClass{
    private String classname;
    private int synctype;
    private long classaddr;
    private long modaddr;
    private boolean inUse;
    private long size;
    private Hashtable<String, GProperty> proptable;
    private Hashtable<Long, GObject> objtable;


    private GClass(String cname, long caddr, long maddr, int sync){
        classname = new String(cname);
        classaddr = caddr;
        modaddr = maddr;
        synctype = sync;
        proptable = new Hashtable<String, GProperty>();
        objtable = new Hashtable<Long, GObject>();
    }
    public static GClass BuildClass(String classname, GModule mod, int sync){
        long classaddr = GridlabD.register_class(mod.GetAddr(), classname, sync);
        if(classaddr == 0){
            GridlabD.error("register_class("+mod.GetAddr()+", "+classname+", "+sync+") failed");
            return null;
        }
        GClass gc = new GClass(classname, classaddr, mod.GetAddr(), sync);
        mod.AddClass(gc);
        return gc;
    }
    public void PutObj(GObject obj){
        if(!objtable.containsKey(obj.GetAddr())){
            objtable.put(new Long(obj.GetAddr()), obj);
        }
    }
    /* public funcs */
    public String GetClassname(){return new String(classname);}
    public long GetClassAddr(){return classaddr;}
    public long GetModuleAddr(){return modaddr;}
    public int GetSyncType(){return synctype;}
    public boolean isInUse(){return inUse;}
    public long GetSize(){return size;}
    public boolean hasProperty(String pname){
        return proptable.containsKey(pname);
    }
    public GProperty findProperty(String pname){
        return proptable.get(pname);
    }
    public boolean hasObject(Long addr){
        return objtable.containsKey(addr);
    }
    public Object getObject(Long addr){
        return objtable.get(addr);
    }
    public GProperty AddProperty(String pname, String ptype){
        if(inUse){
            GridlabD.error("Class "+classname+" is in use, ignoring AddProperty attempt");
            return null;
        }
        GridlabD.verbose(classname+".AddProperty("+pname+", "+ptype+")");
        long offset = 0;
        for(Enumeration<GProperty> e = proptable.elements(); e.hasMoreElements();){
            Long ov = e.nextElement().GetSize();
            offset += ov.longValue();
        }
        GridlabD.verbose("\toffset = "+offset);
        if(proptable.containsKey(pname)){
            GridlabD.error("Property \""+pname+"\" already exists");
            return null;
        }
        long psize = GridlabD.publish_variable(modaddr, classaddr, pname, ptype, offset);
        if(0 == psize){
            GridlabD.error("Unable to GridlabD.publish_variable("+modaddr+", "+classaddr+", "+pname+", "+ptype+", "+offset+")");
        }
        GProperty p = GProperty.Build(pname, ptype, offset, psize);
        if(p == null){
            GridlabD.error("Unable to GProperty.Build("+pname+", "+ptype+", "+offset+", "+psize+")");
            return null;
        }
        proptable.put(pname, p);
        size = offset + psize; /* update class size */
        return p;
    }

    /* native funcs */
    /* object props */
    private native int _GetID(long oaddr);
    private native long _GetOClass(long oaddr);
    private native long _GetNext(long oaddr);
    private native String _GetName(long oaddr);
    private native long _GetParent(long oaddr);
    private native void _SetParent(long oaddr, long addr);
    private native int _GetRank(long oaddr);
    private native long _GetClock(long oaddr);
    private native double _GetLatitude(long oaddr);
    private native double _GetLongitude(long oaddr);
    private native long _GetInSvc(long oaddr);
    private native long _GetOutSvc(long oaddr);
    private native long _GetFlags(long oaddr);
    /* per-type */
    /*static public native String _GetStringProp(long oaddr, long offset, long count);
    static public native void _SetStringProp(long oaddr, long offset, long count, String str);
    static public native int _GetInt16Prop(long oaddr, long offset);
    static public native void _SetInt16Prop(long oaddr, long offset, int val);
    static public native int _GetInt32Prop(long oaddr, long offset);
    static public native void _SetInt32Prop(long oaddr, long offset, int val);
    static public native long _GetInt64Prop(long oaddr, long offset);
    static public native long _SetInt64Prop(long oaddr, long offset, long val);
    static public native double _GetDoubleProp(long oaddr, long offset);
    static public native void _SetDoubleProp(long oaddr, long offset, double val);
    static public native double _GetComplexRealProp(long oaddr, long offset);
    static public native double _GetComplexImagProp(long oaddr, long offset);
    static public native void _SetComplexProp(long oaddr, long offset, double r, double i);*/

    /* GLD Object Gets */
    /*public int GetID(){return _GetID(object_addr);}
    public long GetObjectClass(){return _GetOClass(object_addr);}
    public long GetNext(){return _GetNext(object_addr);}
    public String GetName(){return _GetName(object_addr);}
    public long GetParent(){return _GetParent(object_addr);}
    public void SetParent(long addr){_SetParent(object_addr, addr);}
    public int GetRank(){return _GetRank(object_addr);}
    public long GetClock(){return _GetClock(object_addr);}
    public double GetLatitude(){return _GetLatitude(object_addr);}
    public double GetLongitude(){return _GetLatitude(object_addr);}
    public long GetInSvc(){return _GetInSvc(object_addr);}
    public long GetOutSvc(){return _GetOutSvc(object_addr);}
    public long GetFlags(){return _GetFlags(object_addr);}*/
}

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GridLAB-D^TM Version 2.0

An open-source project initiated by the US Department of Energy