public boolean equals(Tuple tuple) {
for (int i = 0; i < keys.length; i++) {
final int field = keyIndex[i];
final boolean n1 = keys[i] == null;
final boolean n2 = tuple.isBlankOrNull(field);
if (n1 && n2) {
continue;
}
if (n1 ^ n2) {
return false;
}
switch (keyTypes[i]) {
case BOOLEAN:
if ((Boolean) keys[i] != tuple.getBool(field)) return false;
continue;
case BIT:
if ((Byte) keys[i] != tuple.getByte(field)) return false;
continue;
case INT1:
case INT2:
if ((Short) keys[i] != tuple.getInt2(field)) return false;
continue;
case INT4:
case DATE:
if ((Integer) keys[i] != tuple.getInt4(field)) return false;
continue;
case INT8:
case TIME:
case TIMESTAMP:
if ((Long) keys[i] != tuple.getInt8(field)) return false;
continue;
case FLOAT4:
if ((Float) keys[i] != tuple.getFloat4(field)) return false;
continue;
case FLOAT8:
if ((Double) keys[i] != tuple.getFloat8(field)) return false;
continue;
case TEXT:
case CHAR:
case BLOB:
if (!Arrays.equals((byte[]) keys[i], tuple.getBytes(field))) return false;
continue;
case DATUM:
if (!keys[i].equals(tuple.asDatum(field))) return false;
continue;
}
}
return true;
}
@Override
public Datum eval(Tuple tuple) {
Datum resultDatum;
for (int i = 0; i < tuple.size(); i++) {
params[i] = WritableTypeConverter.convertDatum2Writable(tuple.asDatum(i));
}
try {
Writable result = (Writable) evalMethod.invoke(instance, params);
resultDatum = WritableTypeConverter.convertWritable2Datum(result);
} catch (Exception e) {
throw new TajoInternalError(e);
}
return resultDatum;
}
public void set(Tuple tuple) {
for (int i = 0; i < keyTypes.length; i++) {
final int field = keyIndex[i];
if (tuple.isBlankOrNull(field)) {
keys[i] = null;
continue;
}
switch (keyTypes[i]) {
case BOOLEAN:
keys[i] = tuple.getBool(field);
break;
case BIT:
keys[i] = tuple.getByte(field);
break;
case INT1:
case INT2:
keys[i] = tuple.getInt2(field);
break;
case INT4:
case DATE:
keys[i] = tuple.getInt4(field);
break;
case INT8:
case TIME:
case TIMESTAMP:
keys[i] = tuple.getInt8(field);
break;
case FLOAT4:
keys[i] = tuple.getFloat4(field);
break;
case FLOAT8:
keys[i] = tuple.getFloat8(field);
break;
case TEXT:
case CHAR:
case BLOB:
keys[i] = tuple.getBytes(field);
break;
case DATUM:
keys[i] = tuple.asDatum(field);
break;
default:
throw new IllegalArgumentException();
}
}
}