public static JsonValue eval(JsonValue value1, JsonValue value2, int op) {
// changes here should be reflected in getSchema() below
if (value1 == null || value2 == null) {
return null;
}
switch (value1.getType()) {
case LONG:
switch (value2.getType()) {
case LONG:
return longEval((JsonNumber) value1, (JsonNumber) value2, op);
case DOUBLE:
return doubleEval((JsonNumber) value1, (JsonNumber) value2, op);
case DECFLOAT:
return decimalEval((JsonNumber) value1, (JsonNumber) value2, op);
}
break;
case DOUBLE:
switch (value2.getType()) {
case LONG:
return doubleEval((JsonNumber) value1, (JsonNumber) value2, op);
case DOUBLE:
return doubleEval((JsonNumber) value1, (JsonNumber) value2, op);
case DECFLOAT:
return decimalEval((JsonNumber) value1, (JsonNumber) value2, op);
}
break;
case DECFLOAT:
switch (value2.getType()) {
case LONG:
return decimalEval((JsonNumber) value1, (JsonNumber) value2, op);
case DOUBLE:
return decimalEval((JsonNumber) value1, (JsonNumber) value2, op);
case DECFLOAT:
return decimalEval((JsonNumber) value1, (JsonNumber) value2, op);
}
break;
case STRING:
if (value2.getType() == JsonType.STRING && op == PLUS) {
JsonString text1 = (JsonString) value1;
JsonString text2 = (JsonString) value2;
MutableJsonString result = new MutableJsonString();
result.ensureCapacity(text1.bytesLength() + text2.bytesLength());
byte[] buf = result.get();
text1.writeBytes(buf, 0, text1.bytesLength());
text2.writeBytes(buf, text1.bytesLength(), text2.bytesLength());
result.set(buf, text1.bytesLength() + text2.bytesLength());
return result;
}
break;
}
// if we reach this point, we cannot apply the op
throw new RuntimeException(
"Operation "
+ OP_STR[op]
+ " not defined for input types "
+ value1.getType()
+ " and "
+ value2.getType());
}
@Override
public void run() {
try {
OutputStream os = proc.getOutputStream();
// PrintStream out = new PrintStream(new BufferedOutputStream(os));
OutputStream out = new BufferedOutputStream(os);
for (JsonValue sv : iter) {
// TODO: force jstrings here? add i/o layer here? add serialize function that has i/o
// layer?
JsonString s = (JsonString) sv;
if (s != null) {
// out.println(s.toString()); // TODO: PrintStream swallows IOExceptions...
out.write(s.getInternalBytes(), s.bytesOffset(), s.bytesLength());
out.write('\n');
}
}
out.close();
} catch (Throwable e) {
if (error == null) {
error = e;
}
proc.destroy();
}
}