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CloudLib.java
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158 lines (138 loc) · 4.73 KB
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package lambdacloud.core;
import symjava.relational.Eq;
import symjava.symbolic.Expr;
import lambdacloud.net.CloudClient;
import lambdacloud.net.CloudQuery;
import lambdacloud.net.CloudSDHandler;
public class CloudLib {
protected CloudConfig localConfig = null;
protected boolean isAsync = false;
/**
* Return current cloud configuration. Default is the global configuration.
* @return
*/
public CloudConfig currentCloudConfig() {
if(this.localConfig != null)
return this.localConfig;
return CloudConfig.getGlobalConfig();
}
public static String convertParam(double[] param) {
String ret = "[D:[";
for(double d : param)
ret += String.valueOf(d)+",";
return ret+"]";
}
public static String convertParam(double[][] param) {
String ret = "[[D:[";
for(int i=0; i<param.length; i++) {
ret +="[";
for(double d : param[i])
ret += String.valueOf(d)+",";
if(i == param.length-1)
ret +="]";
else
ret +="],";
}
return ret+"]";
}
public static String convertParam(double param) {
return "D:"+String.valueOf(param);
}
public static String convertParam(int param) {
return "I:"+String.valueOf(param);
}
public static String convertParam(Expr expr) {
return "E:"+expr.toString();
}
public static String convertParam(Expr[] expr) {
String ret = "[E:[";
for(Expr e : expr)
ret += e.toString()+";";
return ret+"]";
}
public static String convertEqs(String[] eqs) {
String ret = "[E:[";
for(String e : eqs)
ret += e+";";
return ret+"]";
}
public static String convertEq(String eq) {
String ret = "E:"+eq.toString();
return ret;
}
public void solverNewton(Eq[] eqs, double[] init, int maxIter, double eps, CloudSD output) {
solverNewton(eqs, init, new double[0], maxIter, eps, output);
}
public void solverNewton(String[] eqs, double[] init, int maxIter, double eps, CloudSD output) {
solverNewton(eqs, init, new double[0], maxIter, eps, output);
}
public void solverNewton(String[] eqs, double[] init, double[] params, int maxIter, double eps, CloudSD output) {
String sEqs = convertEqs(eqs);
String sInit = convertParam(init);
String sParam = convertParam(params);
String sMaxIter = convertParam(maxIter);
String sEps = convertParam(eps);
invokeStatic("symjava.examples.Newton","solve", new String[]{sEqs, sInit, sParam, sMaxIter, sEps}, output);
}
public void solverNewton(Eq[] eqs, double[] init, double[] params, int maxIter, double eps, CloudSD output) {
String sEqs = convertParam(eqs);
String sInit = convertParam(init);
String sParam = convertParam(params);
String sMaxIter = convertParam(maxIter);
String sEps = convertParam(eps);
invokeStatic("symjava.examples.Newton","solve", new String[]{sEqs, sInit, sParam, sMaxIter, sEps}, output);
}
public double[] solverGaussNewton(Eq eq, double[] init, double[][] data, int maxIter, double eps) {
String sEq = convertParam(eq);
String sInit = convertParam(init);
String sParam = convertParam(data);
String sMaxIter = convertParam(maxIter);
String sEps = convertParam(eps);
CloudSD output = new CloudSD().init(init.length);
invokeStatic("symjava.examples.GaussNewton","solve", new String[]{sEq, sInit, sParam, sMaxIter, sEps}, output);
output.fetch();
System.out.println(output.getName());
return output.getData();
}
public double[] solverGaussNewton(String eq, double[] init, double[][] data, int maxIter, double eps) {
String sEq = convertEq(eq);
String sInit = convertParam(init);
String sParam = convertParam(data);
String sMaxIter = convertParam(maxIter);
String sEps = convertParam(eps);
CloudSD output = new CloudSD().init(init.length);
invokeStatic("symjava.examples.GaussNewton","solve", new String[]{sEq, sInit, sParam, sMaxIter, sEps}, output);
output.fetch();
System.out.println(output.getName());
return output.getData();
}
protected void invokeStatic(String className, String methodName, String[] args, CloudSD output) {
CloudClient client = currentCloudConfig().getCurrentClient();
CloudSDHandler handler = client.getCloudSDHandler();
try {
CloudQuery qry = new CloudQuery();
qry.qryType = CloudQuery.CLOUD_LIB_INVOKE;
qry.objName = className+"."+methodName;
for(int i=0; i<args.length; i++) {
System.out.println(args[i]);
qry.argNames.add(args[i]);
}
qry.outputName = output.getName();
if(this.isAsync)
client.getChannel().writeAndFlush(qry);
else
client.getChannel().writeAndFlush(qry).sync();
} catch (InterruptedException e) {
e.printStackTrace();
}
if(!this.isAsync) {
CloudSD rlt = handler.getCloudSD(); //blockqueue
output.setLabel(rlt.getLabel());
output.data = rlt.data;
output.isOnCloud = rlt.isOnCloud;
}
}
public static void main(String[] args) {
// TODO Auto-generated method stub
}
}