private static OneParamInfo readOneParameter(ByteBuffer in) throws IOException {
Object value;
int len;
byte[] encodedString = null;
byte[][] encodedStringArray = null;
byte nextTypeByte = in.get();
if (nextTypeByte == ARRAY) {
VoltType nextType = null;
byte etype = in.get();
try {
nextType = VoltType.get(etype);
} catch (AssertionError ae) {
throw new RuntimeException("ParameterSet doesn't support type " + etype);
}
if (nextType == null) {
value = null;
} else if (nextType == VoltType.STRING) {
encodedStringArray = (byte[][]) SerializationHelper.readArray(byte[].class, in);
String[] sval = new String[encodedStringArray.length];
for (int i = 0; i < encodedStringArray.length; ++i) {
if (encodedStringArray[i] == null) {
sval[i] = null;
} else {
sval[i] = new String(encodedStringArray[i], Constants.UTF8ENCODING);
}
}
value = sval;
} else {
value = SerializationHelper.readArray(nextType.classFromType(), in);
}
} else {
VoltType nextType;
try {
nextType = VoltType.get(nextTypeByte);
} catch (AssertionError ae) {
throw new RuntimeException("ParameterSet doesn't support type " + nextTypeByte);
}
switch (nextType) {
case NULL:
value = null;
break;
case TINYINT:
value = in.get();
break;
case SMALLINT:
value = in.getShort();
break;
case INTEGER:
value = in.getInt();
break;
case BIGINT:
value = in.getLong();
break;
case FLOAT:
value = in.getDouble();
break;
case STRING:
len = in.getInt();
if (len == VoltType.NULL_STRING_LENGTH) {
value = VoltType.NULL_STRING_OR_VARBINARY;
} else {
encodedString = new byte[len];
in.get(encodedString);
value = new String(encodedString, Constants.UTF8ENCODING);
}
break;
case VARBINARY:
len = in.getInt();
if (len == VoltType.NULL_STRING_LENGTH) {
value = VoltType.NULL_STRING_OR_VARBINARY;
} else {
encodedString = new byte[len];
in.get(encodedString);
value = encodedString;
}
break;
case TIMESTAMP:
final long micros = in.getLong();
value = new TimestampType(micros);
break;
case VOLTTABLE:
final int tableSize = in.getInt();
byte[] tableBytes = new byte[tableSize];
in.get(tableBytes);
value =
PrivateVoltTableFactory.createVoltTableFromBuffer(ByteBuffer.wrap(tableBytes), false);
break;
case DECIMAL:
{
BigDecimal decimal_val = SerializationHelper.getBigDecimal(in);
if (decimal_val == null) {
value = VoltType.NULL_DECIMAL;
} else {
value = decimal_val;
}
break;
}
case GEOGRAPHY_POINT:
value = GeographyPointValue.unflattenFromBuffer(in);
if (value == null) {
value = VoltType.NULL_POINT;
}
break;
case GEOGRAPHY:
len = in.getInt();
if (len == VoltType.NULL_STRING_LENGTH) {
value = VoltType.NULL_GEOGRAPHY;
} else {
value = GeographyValue.unflattenFromBuffer(in);
}
break;
case BOOLEAN:
value = in.get();
break;
default:
throw new RuntimeException("ParameterSet doesn't support type " + nextType);
}
}
OneParamInfo retval = new OneParamInfo();
retval.value = value;
retval.encodedString = encodedString;
retval.encodedStringArray = encodedStringArray;
return retval;
}
