water.IcedWrapper Maven / Gradle / Ivy
package water;
import org.apache.commons.lang.ArrayUtils;
import water.api.KeyV3;
import water.exceptions.H2OIllegalArgumentException;
/**
* Iced wrapper object for primitive types and arrays, to allow fields in other Iced
* classes to have a generic type equivalent to Object, which can contain primitives,
* arrays, and Iced objects.
*/
public class IcedWrapper extends Iced {
/**
* Is the wrapped value an array?
*/
boolean is_array;
/**
* Class of the wrapped type (could be a class of a primitive type like Integer.TYPE).
*/
String t = null;
/**
* Fields containing the wrapped value:
*/
int i; // also holds byte
long l;
float f;
double d;
boolean b;
String s;
String e; // TODO: JavaAssist is blowing up on enum fields
KeyV3 k;
int[] i_ar; // also holds byte
long[] l_ar;
float[] f_ar;
double[] d_ar;
// boolean[] b_ar;
String[] s_ar;
String[] e_ar; // TODO: JavaAssist is blowing up on enum fields
KeyV3[] k_ar;
Iced[] iced_ar;
public IcedWrapper(Object o) {
if (null == o) {
this.t = null;
return;
}
this.is_array = o.getClass().isArray();
if (is_array) {
// array (1D only, for now)
Class clz = o.getClass().getComponentType();
if (clz == Byte.class) {
t = "Byte";
// TODO: i_ar = ArrayUtils.toPrimitive((Byte[])o);
} else if (clz == Byte.TYPE) {
t = "B";
// TODO: i_ar = ArrayUtils.toPrimitive((Byte[])o);
} else if (clz == Integer.class) {
t = "I";
i_ar = ArrayUtils.toPrimitive((Integer[])o);
} else if (clz == Integer.TYPE) {
t = "I";
i_ar = (int[])o;
} else if (clz == Long.class) {
t = "L";
l_ar = ArrayUtils.toPrimitive((Long[])o);
} else if (clz == Long.TYPE) {
t = "L";
l_ar = (long[]) o;
} else if (clz == Float.class) {
t = "F";
f_ar = ArrayUtils.toPrimitive((Float[])o);
} else if (clz == Float.TYPE) {
t = "F";
f_ar = (float[]) o;
} else if (clz == Double.class) {
t = "D";
d_ar = ArrayUtils.toPrimitive((Double[])o);
} else if (clz == Double.TYPE) {
t = "D";
d_ar = (double[]) o;
} else if (clz == Boolean.class) {
t = "Bo";
// TODO: AutoBuffer can't serialize arrays of booleans: b_ar = (boolean[])o;
} else if (clz == Boolean.TYPE) {
t = "Bo";
// TODO: AutoBuffer etc etc.
} else if (clz == String.class) {
t = "S";
s_ar = (String[])o;
} else if (clz == Enum.class) {
t = "E";
e_ar = (String[])o;
} else if (o instanceof KeyV3[]) {
t = "K";
k_ar = (KeyV3[])o;
} else if (o instanceof Iced[]) {
t = "Iced";
iced_ar = (Iced[])o;
}
} else {
// scalar
if (o instanceof Byte) {
i = (byte)o;
t = "B";
} else if (o instanceof Integer) {
i = (int)o;
t = "I";
} else if (o instanceof Long) {
l = (long)o;
t = "L";
} else if (o instanceof Float) {
f = (float)o;
t = "F";
} else if (o instanceof Double) {
d = (double)o;
t = "D";
} else if (o instanceof Boolean) {
b = (boolean)o;
t = "Bo";
} else if (o instanceof String) {
s = (String)o;
t = "S";
} else if (o instanceof Enum) {
e = ((Enum)o).toString();
t = "E";
} else if (o instanceof KeyV3) {
k = (KeyV3)o;
t = "K";
}
}
if (null == t)
throw new H2OIllegalArgumentException("o", "IcedWrapper", o);
}
public Object get() {
if (t == null) {
return null;
}
if (is_array) {
if (t == "byte") {
throw H2O.fail();
// TODO: i_ar = ArrayUtils.toPrimitive((Byte[])o);
} else if (t.equals("I")) {
return i_ar;
} else if (t.equals("L")) {
return l_ar;
} else if (t.equals("F")) {
return f_ar;
} else if (t.equals("D")) {
return d_ar;
} else if (t.equals("Bo")) {
throw H2O.fail();
// TODO: AutoBuffer can't serialize arrays of booleans: b_ar = (boolean[])o;
} else if (t.equals("S")) {
return s_ar;
} else if (t.equals("E")) {
return e_ar;
} else if (t.equals("K")) {
return k_ar;
} else if (t.equals("Iced")) {
return iced_ar;
}
} else {
if (t.equals("B")) {
return i;
} else if (t.equals("I")) {
return i;
} else if (t.equals("L")) {
return l;
} else if (t.equals("F")) {
return f;
} else if (t.equals("D")) {
return d;
} else if (t.equals("Bo")) {
return b;
} else if (t.equals("S")) {
return s;
} else if (t.equals("E")) {
return e;
} else if (t.equals("K")) {
return k;
}
}
throw new H2OIllegalArgumentException(this.toString());
}
@Override
public String toString() {
if (null == t) {
return "(null)";
} else if (is_array) {
// TODO: return Arrays.toString(ar);
} else if (t.equals("B")) {
return "" + i;
} else if (t.equals("I")) {
return "" + i;
} else if (t.equals("L")) {
return "" + l;
} else if (t.equals("F")) {
return "" + f;
} else if (t.equals("D")) {
return "" + d;
} else if (t.equals("Bo")) {
return "" + b;
} else if (t.equals("S")) {
return s;
} else if (t.equals("E")) {
return "" + e;
} else if (t.equals("K")) {
return "" + k;
}
return "unhandled type";
}
/** Write JSON for the wrapped value without putting it inside a JSON object. */
public AutoBuffer writeUnwrappedJSON( AutoBuffer ab ) {
if (is_array) {
if (t.equals("B"))
return ab.putJSONA4(i_ar); // NOTE: upcast
else if (t.equals("I"))
return ab.putJSONA4(i_ar);
else if (t.equals("L"))
return ab.putJSONA8(l_ar);
else if (t.equals("F"))
return ab.putJSONA4f(f_ar);
else if (t.equals("D"))
return ab.putJSONA8d(d_ar);
else if (t.equals("Bo"))
return ab.putJSONAStr(null); // TODO: BROKEN
else if (t.equals("S"))
return ab.putJSONAStr(s_ar);
else if (t.equals("E"))
return ab.putJSONAStr(e_ar);
else if (t.equals("K"))
return ab.putJSONA(k_ar);
else if (t.equals("Iced"))
return ab.putJSONA(iced_ar);
} else {
if (t.equals("B"))
return ab.putJSON1((byte)i);
else if (t.equals("I"))
return ab.putJSON4(i);
else if (t.equals("L"))
return ab.putJSON8(l);
else if (t.equals("F"))
return ab.putJSON4f(f);
else if (t.equals("D"))
return ab.putJSON8d(d);
else if (t.equals("Bo"))
return ab.putJSONStrUnquoted(b ? "true" : "false");
else if (t.equals("S"))
return ab.putJSONName(s);
else if (t.equals("E"))
return ab.putJSONName(e);
else if (t.equals("K"))
return ab.putJSON(k);
}
throw H2O.fail("Unhandled type: " + t);
// TODO: arrays
}
}
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