asterix-runtime/src/main/java/edu/uci/ics/asterix/runtime/operators/file/AdmTupleParser.java

package edu.uci.ics.asterix.runtime.operators.file;

import java.io.DataOutput;
import java.io.IOException;
import java.io.InputStream;
import java.nio.ByteBuffer;
import java.util.ArrayDeque;
import java.util.BitSet;
import java.util.List;
import java.util.Queue;

import edu.uci.ics.asterix.adm.parser.nontagged.AdmLexer;
import edu.uci.ics.asterix.adm.parser.nontagged.AdmLexerConstants;
import edu.uci.ics.asterix.adm.parser.nontagged.ParseException;
import edu.uci.ics.asterix.adm.parser.nontagged.Token;
import edu.uci.ics.asterix.builders.IARecordBuilder;
import edu.uci.ics.asterix.builders.IAsterixListBuilder;
import edu.uci.ics.asterix.builders.OrderedListBuilder;
import edu.uci.ics.asterix.builders.RecordBuilder;
import edu.uci.ics.asterix.builders.UnorderedListBuilder;
import edu.uci.ics.asterix.common.exceptions.AsterixException;
import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ACircleSerializerDeserializer;
import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADateSerializerDeserializer;
import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADateTimeSerializerDeserializer;
import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ADurationSerializerDeserializer;
import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ALineSerializerDeserializer;
import edu.uci.ics.asterix.dataflow.data.nontagged.serde.APoint3DSerializerDeserializer;
import edu.uci.ics.asterix.dataflow.data.nontagged.serde.APointSerializerDeserializer;
import edu.uci.ics.asterix.dataflow.data.nontagged.serde.APolygonSerializerDeserializer;
import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ARectangleSerializerDeserializer;
import edu.uci.ics.asterix.dataflow.data.nontagged.serde.ATimeSerializerDeserializer;
import edu.uci.ics.asterix.om.base.ABoolean;
import edu.uci.ics.asterix.om.base.ANull;
import edu.uci.ics.asterix.om.types.AOrderedListType;
import edu.uci.ics.asterix.om.types.ARecordType;
import edu.uci.ics.asterix.om.types.ATypeTag;
import edu.uci.ics.asterix.om.types.AUnionType;
import edu.uci.ics.asterix.om.types.AUnorderedListType;
import edu.uci.ics.asterix.om.types.IAType;
import edu.uci.ics.asterix.om.util.NonTaggedFormatUtil;
import edu.uci.ics.hyracks.api.comm.IFrameWriter;
import edu.uci.ics.hyracks.api.context.IHyracksTaskContext;
import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
import edu.uci.ics.hyracks.data.std.util.ArrayBackedValueStorage;
import edu.uci.ics.hyracks.dataflow.common.comm.io.ArrayTupleBuilder;
import edu.uci.ics.hyracks.dataflow.common.comm.io.FrameTupleAppender;
import edu.uci.ics.hyracks.dataflow.common.comm.util.FrameUtils;

public class AdmTupleParser extends AbstractTupleParser  {

	protected AdmLexer admLexer;
	protected ArrayTupleBuilder tb = new ArrayTupleBuilder(1);
	protected DataOutput dos = tb.getDataOutput();
	protected final FrameTupleAppender appender;
	protected final ByteBuffer frame;
	protected final ARecordType recType;

	private int nullableFieldId = 0;

	private Queue<ArrayBackedValueStorage> baaosPool = new ArrayDeque<ArrayBackedValueStorage>();
	private Queue<IARecordBuilder> recordBuilderPool = new ArrayDeque<IARecordBuilder>();
	private Queue<IAsterixListBuilder> orderedListBuilderPool = new ArrayDeque<IAsterixListBuilder>();
	private Queue<IAsterixListBuilder> unorderedListBuilderPool = new ArrayDeque<IAsterixListBuilder>();

	private String mismatchErrorMessage = "Mismatch Type, expecting a value of type ";


	public AdmTupleParser(IHyracksTaskContext ctx, ARecordType recType) {
		appender = new FrameTupleAppender(ctx.getFrameSize());
		frame = ctx.allocateFrame();
		this.recType = recType;

	}

	@Override
	public void parse(InputStream in, IFrameWriter writer)
			throws HyracksDataException {
		admLexer = new AdmLexer(in);
		appender.reset(frame, true);
		int tupleNum = 0;
		try {
			while (true) {
				tb.reset();
				if (!parseAdmInstance(recType, true, dos)) {
					break;
				}
				tb.addFieldEndOffset();
				if (!appender.append(tb.getFieldEndOffsets(),
						tb.getByteArray(), 0, tb.getSize())) {
					FrameUtils.flushFrame(frame, writer);
					appender.reset(frame, true);
					if (!appender.append(tb.getFieldEndOffsets(),
							tb.getByteArray(), 0, tb.getSize())) {
						throw new IllegalStateException();
					}
				}
				tupleNum++;
			}
			if (appender.getTupleCount() > 0) {
				FrameUtils.flushFrame(frame, writer);
			}
		} catch (AsterixException ae) {
			throw new HyracksDataException(ae);
		} catch (IOException ioe) {
			throw new HyracksDataException(ioe);
		}
	}

	protected boolean parseAdmInstance(IAType objectType, Boolean datasetRec,
			DataOutput out) throws AsterixException, IOException {
		Token token;
		try {
			token = admLexer.next();
		} catch (ParseException pe) {
			throw new AsterixException(pe);
		}
		if (token.kind == AdmLexerConstants.EOF) {
			return false;
		} else {
			admFromLexerStream(token, objectType, out, datasetRec);
			return true;
		}
	}

	private void admFromLexerStream(Token token, IAType objectType,
			DataOutput out, Boolean datasetRec) throws AsterixException,
			IOException {

		switch (token.kind) {
		case AdmLexerConstants.NULL_LITERAL: {
			if (checkType(ATypeTag.NULL, objectType, out)) {
				nullSerde.serialize(ANull.NULL, out);
			} else
				throw new AsterixException(" This field can not be null ");
			break;
		}
		case AdmLexerConstants.TRUE_LITERAL: {
			if (checkType(ATypeTag.BOOLEAN, objectType, out)) {
				booleanSerde.serialize(ABoolean.TRUE, out);
			} else
				throw new AsterixException(mismatchErrorMessage
						+ objectType.getTypeName());
			break;
		}
		case AdmLexerConstants.BOOLEAN_CONS: {
			parseConstructor(ATypeTag.BOOLEAN, objectType, out);
			break;
		}
		case AdmLexerConstants.FALSE_LITERAL: {
			if (checkType(ATypeTag.BOOLEAN, objectType, out)) {
				booleanSerde.serialize(ABoolean.FALSE, out);
			} else
				throw new AsterixException(mismatchErrorMessage
						+ objectType.getTypeName());
			break;
		}
		case AdmLexerConstants.DOUBLE_LITERAL: {
			if (checkType(ATypeTag.DOUBLE, objectType, out)) {
				aDouble.setValue(Double.parseDouble(token.image));
				doubleSerde.serialize(aDouble, out);
			} else
				throw new AsterixException(mismatchErrorMessage
						+ objectType.getTypeName());
			break;
		}
		case AdmLexerConstants.DOUBLE_CONS: {
			parseConstructor(ATypeTag.DOUBLE, objectType, out);
			break;
		}
		case AdmLexerConstants.FLOAT_LITERAL: {
			if (checkType(ATypeTag.FLOAT, objectType, out)) {
				aFloat.setValue(Float.parseFloat(token.image));
				floatSerde.serialize(aFloat, out);
			} else
				throw new AsterixException(mismatchErrorMessage
						+ objectType.getTypeName());
			break;
		}
		case AdmLexerConstants.FLOAT_CONS: {
			parseConstructor(ATypeTag.FLOAT, objectType, out);
			break;
		}
		case AdmLexerConstants.INT8_LITERAL: {
			if (checkType(ATypeTag.INT8, objectType, out)) {
				parseInt8(token.image, out);
			} else
				throw new AsterixException(mismatchErrorMessage
						+ objectType.getTypeName());
			break;
		}
		case AdmLexerConstants.INT8_CONS: {
			parseConstructor(ATypeTag.INT8, objectType, out);
			break;
		}
		case AdmLexerConstants.INT16_LITERAL: {
			if (checkType(ATypeTag.INT16, objectType, out)) {
				parseInt16(token.image, out);
			} else
				throw new AsterixException(mismatchErrorMessage
						+ objectType.getTypeName());
			break;
		}
		case AdmLexerConstants.INT16_CONS: {
			parseConstructor(ATypeTag.INT16, objectType, out);
			break;
		}
		case AdmLexerConstants.INT_LITERAL:
		case AdmLexerConstants.INT32_LITERAL: {
			if (checkType(ATypeTag.INT32, objectType, out)) {
				parseInt32(token.image, out);
			} else
				throw new AsterixException(mismatchErrorMessage
						+ objectType.getTypeName());
			break;
		}
		case AdmLexerConstants.INT32_CONS: {
			parseConstructor(ATypeTag.INT32, objectType, out);
			break;
		}
		case AdmLexerConstants.INT64_LITERAL: {
			if (checkType(ATypeTag.INT64, objectType, out)) {
				parseInt64(token.image, out);
			} else
				throw new AsterixException(mismatchErrorMessage
						+ objectType.getTypeName());
			break;
		}
		case AdmLexerConstants.INT64_CONS: {
			parseConstructor(ATypeTag.INT64, objectType, out);
			break;
		}
		case AdmLexerConstants.STRING_LITERAL: {
			if (checkType(ATypeTag.STRING, objectType, out)) {
				aString.setValue(token.image.substring(1,
						token.image.length() - 1));
				stringSerde.serialize(aString, out);
			} else
				throw new AsterixException(mismatchErrorMessage
						+ objectType.getTypeName());
			break;
		}
		case AdmLexerConstants.STRING_CONS: {
			parseConstructor(ATypeTag.STRING, objectType, out);
			break;
		}
		case AdmLexerConstants.DATE_CONS: {
			parseConstructor(ATypeTag.DATE, objectType, out);
			break;
		}
		case AdmLexerConstants.TIME_CONS: {
			parseConstructor(ATypeTag.TIME, objectType, out);
			break;
		}
		case AdmLexerConstants.DATETIME_CONS: {
			parseConstructor(ATypeTag.DATETIME, objectType, out);
			break;
		}
		case AdmLexerConstants.DURATION_CONS: {
			parseConstructor(ATypeTag.DURATION, objectType, out);
			break;
		}
		case AdmLexerConstants.POINT_CONS: {
			parseConstructor(ATypeTag.POINT, objectType, out);
			break;
		}
		case AdmLexerConstants.POINT3D_CONS: {
			parseConstructor(ATypeTag.POINT3D, objectType, out);
			break;
		}
		case AdmLexerConstants.CIRCLE_CONS: {
			parseConstructor(ATypeTag.CIRCLE, objectType, out);
			break;
		}
		case AdmLexerConstants.RECTANGLE_CONS: {
			parseConstructor(ATypeTag.RECTANGLE, objectType, out);
			break;
		}
		case AdmLexerConstants.LINE_CONS: {
			parseConstructor(ATypeTag.LINE, objectType, out);
			break;
		}
		case AdmLexerConstants.POLYGON_CONS: {
			parseConstructor(ATypeTag.POLYGON, objectType, out);
			break;
		}
		case AdmLexerConstants.START_UNORDERED_LIST: {
			if (checkType(ATypeTag.UNORDEREDLIST, objectType, out)) {
				objectType = getComplexType(objectType, ATypeTag.UNORDEREDLIST);
				parseUnorderedList((AUnorderedListType) objectType, out);
			} else
				throw new AsterixException(mismatchErrorMessage
						+ objectType.getTypeTag());
			break;
		}

		case AdmLexerConstants.START_ORDERED_LIST: {
			if (checkType(ATypeTag.ORDEREDLIST, objectType, out)) {
				objectType = getComplexType(objectType, ATypeTag.ORDEREDLIST);
				parseOrderedList((AOrderedListType) objectType, out);
			} else
				throw new AsterixException(mismatchErrorMessage
						+ objectType.getTypeTag());
			break;
		}
		case AdmLexerConstants.START_RECORD: {
			if (checkType(ATypeTag.RECORD, objectType, out)) {
				objectType = getComplexType(objectType, ATypeTag.RECORD);
				parseRecord((ARecordType) objectType, out, datasetRec);
			} else
				throw new AsterixException(mismatchErrorMessage
						+ objectType.getTypeTag());
			break;
		}
		case AdmLexerConstants.EOF: {
			break;
		}
		default: {
			throw new AsterixException("Unexpected ADM token kind: "
					+ admLexer.tokenKindToString(token.kind) + ".");
		}
		}
	}

	private void parseDatetime(String datetime, DataOutput out)
			throws AsterixException, IOException {
		try {
			ADateTimeSerializerDeserializer.parse(datetime, out);
		} catch (HyracksDataException e) {
			throw new AsterixException(e);
		}
	}

	private void parseDuration(String duration, DataOutput out)
			throws AsterixException {
		try {
			ADurationSerializerDeserializer.parse(duration, out);
		} catch (HyracksDataException e) {
			throw new AsterixException(e);
		}

	}

	private IAType getComplexType(IAType aObjectType, ATypeTag tag) {

		if (aObjectType == null) {
			return null;
		}

		if (aObjectType.getTypeTag() == tag)
			return aObjectType;

		if (aObjectType.getTypeTag() == ATypeTag.UNION) {
			unionList = ((AUnionType) aObjectType).getUnionList();
			for (int i = 0; i < unionList.size(); i++)
				if (unionList.get(i).getTypeTag() == tag) {
					return unionList.get(i);
				}
		}
		return null; // wont get here
	}

	List<IAType> unionList;

	private boolean checkType(ATypeTag expectedTypeTag, IAType aObjectType,
			DataOutput out) throws IOException {

		if (aObjectType == null)
			return true;

		if (aObjectType.getTypeTag() != ATypeTag.UNION) {
			if (expectedTypeTag == aObjectType.getTypeTag())
				return true;
		} else { // union
			unionList = ((AUnionType) aObjectType).getUnionList();
			for (int i = 0; i < unionList.size(); i++)
				if (unionList.get(i).getTypeTag() == expectedTypeTag)
					return true;
		}
		return false;
	}

	private void parseRecord(ARecordType recType, DataOutput out,
			Boolean datasetRec) throws IOException, AsterixException {

		ArrayBackedValueStorage fieldValueBuffer = getTempBuffer();
		ArrayBackedValueStorage fieldNameBuffer = getTempBuffer();
		IARecordBuilder recBuilder = getRecordBuilder();

		// Boolean[] nulls = null;
		BitSet nulls = null;
		if (datasetRec) {
			if (recType != null) {
				nulls = new BitSet(recType.getFieldNames().length);
				recBuilder.reset(recType);
			} else
				recBuilder.reset(null);
		} else if (recType != null) {
			nulls = new BitSet(recType.getFieldNames().length);
			recBuilder.reset(recType);
		} else
			recBuilder.reset(null);

		recBuilder.init();
		Token token = null;
		boolean inRecord = true;
		boolean expectingRecordField = false;
		boolean first = true;

		Boolean openRecordField = false;
		int fieldId = 0;
		IAType fieldType = null;
		do {
			token = nextToken();
			switch (token.kind) {
			case AdmLexerConstants.END_RECORD: {
				if (expectingRecordField) {
					throw new AsterixException(
							"Found END_RECORD while expecting a record field.");
				}
				inRecord = false;
				break;
			}
			case AdmLexerConstants.STRING_LITERAL: {
				// we've read the name of the field
				// now read the content
				fieldNameBuffer.reset();
				fieldValueBuffer.reset();
				expectingRecordField = false;

				if (recType != null) {
					String fldName = token.image.substring(1,
							token.image.length() - 1);
					fieldId = recBuilder.getFieldId(fldName);
					if (fieldId < 0 && !recType.isOpen()) {
						throw new AsterixException(
								"This record is closed, you can not add extra fields !!");
					} else if (fieldId < 0 && recType.isOpen()) {
						aStringFieldName.setValue(token.image.substring(1,
								token.image.length() - 1));
						stringSerde.serialize(aStringFieldName,
								fieldNameBuffer.getDataOutput());
						openRecordField = true;
						fieldType = null;
					} else {
						// a closed field
						nulls.set(fieldId);
						fieldType = recType.getFieldTypes()[fieldId];
						openRecordField = false;
					}
				} else {
					aStringFieldName.setValue(token.image.substring(1,
							token.image.length() - 1));
					stringSerde.serialize(aStringFieldName,
							fieldNameBuffer.getDataOutput());
					openRecordField = true;
					fieldType = null;
				}

				token = nextToken();
				if (token.kind != AdmLexerConstants.COLON) {
					throw new AsterixException("Unexpected ADM token kind: "
							+ admLexer.tokenKindToString(token.kind)
							+ " while expecting \":\".");
				}

				token = nextToken();
				this.admFromLexerStream(token, fieldType,
						fieldValueBuffer.getDataOutput(), false);
				if (openRecordField) {
					if (fieldValueBuffer.getByteArray()[0] != ATypeTag.NULL
							.serialize())
						recBuilder.addField(fieldNameBuffer, fieldValueBuffer);
				} else if (recType.getFieldTypes()[fieldId].getTypeTag() == ATypeTag.UNION) {
					if (NonTaggedFormatUtil
							.isOptionalField((AUnionType) recType
									.getFieldTypes()[fieldId])) {
						if (fieldValueBuffer.getByteArray()[0] != ATypeTag.NULL
								.serialize()) {
							recBuilder.addField(fieldId, fieldValueBuffer);
						}
					}
				} else {
					recBuilder.addField(fieldId, fieldValueBuffer);
				}

				break;
			}
			case AdmLexerConstants.COMMA: {
				if (first) {
					throw new AsterixException(
							"Found COMMA before any record field.");
				}
				if (expectingRecordField) {
					throw new AsterixException(
							"Found COMMA while expecting a record field.");
				}
				expectingRecordField = true;
				break;
			}
			default: {
				throw new AsterixException("Unexpected ADM token kind: "
						+ admLexer.tokenKindToString(token.kind)
						+ " while parsing record fields.");
			}
			}
			first = false;
		} while (inRecord);

		if (recType != null) {
			nullableFieldId = checkNullConstraints(recType, nulls);
			if (nullableFieldId != -1)
				throw new AsterixException("Field " + nullableFieldId
						+ " can not be null");
		}
		recBuilder.write(out, true);
		returnRecordBuilder(recBuilder);
		returnTempBuffer(fieldNameBuffer);
		returnTempBuffer(fieldValueBuffer);
	}

	private int checkNullConstraints(ARecordType recType, BitSet nulls) {

		boolean isNull = false;
		for (int i = 0; i < recType.getFieldTypes().length; i++)
			if (nulls.get(i) == false) {
				IAType type = recType.getFieldTypes()[i];
				if (type.getTypeTag() != ATypeTag.NULL
						&& type.getTypeTag() != ATypeTag.UNION)
					return i;

				if (type.getTypeTag() == ATypeTag.UNION) { // union
					unionList = ((AUnionType) type).getUnionList();
					for (int j = 0; j < unionList.size(); j++)
						if (unionList.get(j).getTypeTag() == ATypeTag.NULL) {
							isNull = true;
							break;
						}
					if (!isNull)
						return i;
				}
			}
		return -1;
	}

	private void parseOrderedList(AOrderedListType oltype, DataOutput out)
			throws IOException, AsterixException {

		ArrayBackedValueStorage itemBuffer = getTempBuffer();
		OrderedListBuilder orderedListBuilder = (OrderedListBuilder) getOrderedListBuilder();

		IAType itemType = null;
		if (oltype != null)
			itemType = oltype.getItemType();
		orderedListBuilder.reset(oltype);

		Token token = null;
		boolean inList = true;
		boolean expectingListItem = false;
		boolean first = true;
		do {
			token = nextToken();
			if (token.kind == AdmLexerConstants.END_ORDERED_LIST) {
				if (expectingListItem) {
					throw new AsterixException(
							"Found END_COLLECTION while expecting a list item.");
				}
				inList = false;
			} else if (token.kind == AdmLexerConstants.COMMA) {
				if (first) {
					throw new AsterixException(
							"Found COMMA before any list item.");
				}
				if (expectingListItem) {
					throw new AsterixException(
							"Found COMMA while expecting a list item.");
				}
				expectingListItem = true;
			} else {
				expectingListItem = false;
				itemBuffer.reset();

				admFromLexerStream(token, itemType, itemBuffer.getDataOutput(),
						false);
				orderedListBuilder.addItem(itemBuffer);
			}
			first = false;
		} while (inList);
		orderedListBuilder.write(out, true);
		returnOrderedListBuilder(orderedListBuilder);
		returnTempBuffer(itemBuffer);
	}

	private void parseUnorderedList(AUnorderedListType uoltype, DataOutput out)
			throws IOException, AsterixException {

		ArrayBackedValueStorage itemBuffer = getTempBuffer();
		UnorderedListBuilder unorderedListBuilder = (UnorderedListBuilder) getUnorderedListBuilder();

		IAType itemType = null;

		if (uoltype != null)
			itemType = uoltype.getItemType();
		unorderedListBuilder.reset(uoltype);

		Token token = null;
		boolean inList = true;
		boolean expectingListItem = false;
		boolean first = true;
		do {
			token = nextToken();
			if (token.kind == AdmLexerConstants.END_UNORDERED_LIST) {
				if (expectingListItem) {
					throw new AsterixException(
							"Found END_COLLECTION while expecting a list item.");
				}
				inList = false;
			} else if (token.kind == AdmLexerConstants.COMMA) {
				if (first) {
					throw new AsterixException(
							"Found COMMA before any list item.");
				}
				if (expectingListItem) {
					throw new AsterixException(
							"Found COMMA while expecting a list item.");
				}
				expectingListItem = true;
			} else {
				expectingListItem = false;
				itemBuffer.reset();
				admFromLexerStream(token, itemType, itemBuffer.getDataOutput(),
						false);
				unorderedListBuilder.addItem(itemBuffer);
			}
			first = false;
		} while (inList);
		unorderedListBuilder.write(out, true);
		returnUnorderedListBuilder(unorderedListBuilder);
		returnTempBuffer(itemBuffer);
	}

	private Token nextToken() throws AsterixException {
		try {
			return admLexer.next();
		} catch (ParseException pe) {
			throw new AsterixException(pe);
		}
	}

	private IARecordBuilder getRecordBuilder() {
		RecordBuilder recBuilder = (RecordBuilder) recordBuilderPool.poll();
		if (recBuilder != null)
			return recBuilder;
		else
			return new RecordBuilder();
	}

	private void returnRecordBuilder(IARecordBuilder recBuilder) {
		this.recordBuilderPool.add(recBuilder);
	}

	private IAsterixListBuilder getOrderedListBuilder() {
		OrderedListBuilder orderedListBuilder = (OrderedListBuilder) orderedListBuilderPool
				.poll();
		if (orderedListBuilder != null)
			return orderedListBuilder;
		else
			return new OrderedListBuilder();
	}

	private void returnOrderedListBuilder(
	        IAsterixListBuilder orderedListBuilder) {
		this.orderedListBuilderPool.add(orderedListBuilder);
	}

	private IAsterixListBuilder getUnorderedListBuilder() {
		UnorderedListBuilder unorderedListBuilder = (UnorderedListBuilder) unorderedListBuilderPool
				.poll();
		if (unorderedListBuilder != null)
			return unorderedListBuilder;
		else
			return new UnorderedListBuilder();
	}

	private void returnUnorderedListBuilder(
	        IAsterixListBuilder unorderedListBuilder) {
		this.unorderedListBuilderPool.add(unorderedListBuilder);
	}

	private ArrayBackedValueStorage getTempBuffer() {
		ArrayBackedValueStorage tmpBaaos = baaosPool.poll();
		if (tmpBaaos != null) {
			return tmpBaaos;
		} else {
			return new ArrayBackedValueStorage();
		}
	}

	private void returnTempBuffer(ArrayBackedValueStorage tempBaaos) {
		baaosPool.add(tempBaaos);
	}

	private void parseConstructor(ATypeTag typeTag, IAType objectType,
			DataOutput out) throws AsterixException {
		try {
			Token token = admLexer.next();
			if (token.kind == AdmLexerConstants.CONSTRUCTOR_OPEN) {
				if (checkType(typeTag, objectType, out)) {
					token = admLexer.next();
					if (token.kind == AdmLexerConstants.STRING_LITERAL) {
						switch (typeTag) {
						case BOOLEAN:
							parseBoolean(
									token.image.substring(1,
											token.image.length() - 1), out);
							break;
						case INT8:
							parseInt8(
									token.image.substring(1,
											token.image.length() - 1), out);
							break;
						case INT16:
							parseInt16(
									token.image.substring(1,
											token.image.length() - 1), out);
							break;
						case INT32:
							parseInt32(
									token.image.substring(1,
											token.image.length() - 1), out);
							break;
						case INT64:
							parseInt64(
									token.image.substring(1,
											token.image.length() - 1), out);
							break;
						case FLOAT:
							aFloat.setValue(Float.parseFloat(token.image
									.substring(1, token.image.length() - 1)));
							floatSerde.serialize(aFloat, out);
							break;
						case DOUBLE:
							aDouble.setValue(Double.parseDouble(token.image
									.substring(1, token.image.length() - 1)));
							doubleSerde.serialize(aDouble, out);
							break;
						case STRING:
							aString.setValue(token.image.substring(1,
									token.image.length() - 1));
							stringSerde.serialize(aString, out);
							break;
						case TIME:
							parseTime(
									token.image.substring(1,
											token.image.length() - 1), out);
							break;
						case DATE:
							parseDate(
									token.image.substring(1,
											token.image.length() - 1), out);
							break;
						case DATETIME:
							parseDatetime(
									token.image.substring(1,
											token.image.length() - 1), out);
							break;
						case DURATION:
							parseDuration(
									token.image.substring(1,
											token.image.length() - 1), out);
							break;
						case POINT:
							parsePoint(
									token.image.substring(1,
											token.image.length() - 1), out);
							break;
						case POINT3D:
							parsePoint3d(
									token.image.substring(1,
											token.image.length() - 1), out);
							break;
						case CIRCLE:
							parseCircle(
									token.image.substring(1,
											token.image.length() - 1), out);
							break;
						case RECTANGLE:
							parseRectangle(
									token.image.substring(1,
											token.image.length() - 1), out);
							break;
						case LINE:
							parseLine(
									token.image.substring(1,
											token.image.length() - 1), out);
							break;
						case POLYGON:
							parsePolygon(
									token.image.substring(1,
											token.image.length() - 1), out);
							break;

						}
						token = admLexer.next();
						if (token.kind == AdmLexerConstants.CONSTRUCTOR_CLOSE)
							return;
					}
				}
			}
		} catch (Exception e) {
			throw new AsterixException(e);
		}
		throw new AsterixException(mismatchErrorMessage
				+ objectType.getTypeName());
	}

	private void parseBoolean(String bool, DataOutput out)
			throws AsterixException {
		String errorMessage = "This can not be an instance of boolean";
		try {
			if (bool.equals("true"))
				booleanSerde.serialize(ABoolean.TRUE, out);
			else if (bool.equals("false"))
				booleanSerde.serialize(ABoolean.FALSE, out);
			else
				throw new AsterixException(errorMessage);
		} catch (HyracksDataException e) {
			throw new AsterixException(errorMessage);
		}
	}

	private void parseInt8(String int8, DataOutput out) throws AsterixException {
		String errorMessage = "This can not be an instance of int8";
		try {
			boolean positive = true;
			byte value = 0;
			int offset = 0;

			if (int8.charAt(offset) == '+')
				offset++;
			else if (int8.charAt(offset) == '-') {
				offset++;
				positive = false;
			}
			for (; offset < int8.length(); offset++) {
				if (int8.charAt(offset) >= '0' && int8.charAt(offset) <= '9')
					value = (byte) (value * 10 + int8.charAt(offset) - '0');
				else if (int8.charAt(offset) == 'i'
						&& int8.charAt(offset + 1) == '8'
						&& offset + 2 == int8.length())
					break;
				else
					throw new AsterixException(errorMessage);
			}
			if (value < 0)
				throw new AsterixException(errorMessage);
			if (value > 0 && !positive)
				value *= -1;
			aInt8.setValue(value);
			int8Serde.serialize(aInt8, out);
		} catch (HyracksDataException e) {
			throw new AsterixException(errorMessage);
		}
	}

	private void parseInt16(String int16, DataOutput out)
			throws AsterixException {
		String errorMessage = "This can not be an instance of int16";
		try {
			boolean positive = true;
			short value = 0;
			int offset = 0;

			if (int16.charAt(offset) == '+')
				offset++;
			else if (int16.charAt(offset) == '-') {
				offset++;
				positive = false;
			}
			for (; offset < int16.length(); offset++) {
				if (int16.charAt(offset) >= '0' && int16.charAt(offset) <= '9')
					value = (short) (value * 10 + int16.charAt(offset) - '0');
				else if (int16.charAt(offset) == 'i'
						&& int16.charAt(offset + 1) == '1'
						&& int16.charAt(offset + 2) == '6'
						&& offset + 3 == int16.length())
					break;
				else
					throw new AsterixException(errorMessage);
			}
			if (value < 0)
				throw new AsterixException(errorMessage);
			if (value > 0 && !positive)
				value *= -1;
			aInt16.setValue(value);
			int16Serde.serialize(aInt16, out);
		} catch (HyracksDataException e) {
			throw new AsterixException(errorMessage);
		}
	}

	private void parseInt32(String int32, DataOutput out)
			throws AsterixException {

		String errorMessage = "This can not be an instance of int32";
		try {
			boolean positive = true;
			int value = 0;
			int offset = 0;

			if (int32.charAt(offset) == '+')
				offset++;
			else if (int32.charAt(offset) == '-') {
				offset++;
				positive = false;
			}
			for (; offset < int32.length(); offset++) {
				if (int32.charAt(offset) >= '0' && int32.charAt(offset) <= '9')
					value = (value * 10 + int32.charAt(offset) - '0');
				else if (int32.charAt(offset) == 'i'
						&& int32.charAt(offset + 1) == '3'
						&& int32.charAt(offset + 2) == '2'
						&& offset + 3 == int32.length())
					break;
				else
					throw new AsterixException(errorMessage);
			}
			if (value < 0)
				throw new AsterixException(errorMessage);
			if (value > 0 && !positive)
				value *= -1;

			aInt32.setValue(value);
			int32Serde.serialize(aInt32, out);
		} catch (HyracksDataException e) {
			throw new AsterixException(errorMessage);
		}
	}

	private void parseInt64(String int64, DataOutput out)
			throws AsterixException {
		String errorMessage = "This can not be an instance of int64";
		try {
			boolean positive = true;
			long value = 0;
			int offset = 0;

			if (int64.charAt(offset) == '+')
				offset++;
			else if (int64.charAt(offset) == '-') {
				offset++;
				positive = false;
			}
			for (; offset < int64.length(); offset++) {
				if (int64.charAt(offset) >= '0' && int64.charAt(offset) <= '9')
					value = (value * 10 + int64.charAt(offset) - '0');
				else if (int64.charAt(offset) == 'i'
						&& int64.charAt(offset + 1) == '6'
						&& int64.charAt(offset + 2) == '4'
						&& offset + 3 == int64.length())
					break;
				else
					throw new AsterixException(errorMessage);
			}
			if (value < 0)
				throw new AsterixException(errorMessage);
			if (value > 0 && !positive)
				value *= -1;

			aInt64.setValue(value);
			int64Serde.serialize(aInt64, out);
		} catch (HyracksDataException e) {
			throw new AsterixException(errorMessage);
		}
	}

	private void parsePoint(String point, DataOutput out)
			throws AsterixException {
		try {
			APointSerializerDeserializer.parse(point, out);
		} catch (HyracksDataException e) {
			throw new AsterixException(e);
		}
	}

	private void parsePoint3d(String point3d, DataOutput out)
			throws AsterixException {
		try {
			APoint3DSerializerDeserializer.parse(point3d, out);
		} catch (HyracksDataException e) {
			throw new AsterixException(e);
		}
	}

	private void parseCircle(String circle, DataOutput out)
			throws AsterixException {
		try {
			ACircleSerializerDeserializer.parse(circle, out);
		} catch (HyracksDataException e) {
			throw new AsterixException(e);
		}
	}

	private void parseRectangle(String rectangle, DataOutput out)
			throws AsterixException {
		try {
			ARectangleSerializerDeserializer.parse(rectangle, out);
		} catch (HyracksDataException e) {
			throw new AsterixException(e);
		}
	}

	private void parseLine(String line, DataOutput out) throws AsterixException {
		try {
			ALineSerializerDeserializer.parse(line, out);
		} catch (HyracksDataException e) {
			throw new AsterixException(e);
		}
	}

	private void parsePolygon(String polygon, DataOutput out)
			throws AsterixException, IOException {
		try {
			APolygonSerializerDeserializer.parse(polygon, out);
		} catch (HyracksDataException e) {
			throw new AsterixException(e);
		}
	}

	private void parseTime(String time, DataOutput out) throws AsterixException {
		try {
			ATimeSerializerDeserializer.parse(time, out);
		} catch (HyracksDataException e) {
			throw new AsterixException(e);
		}
	}

	private void parseDate(String date, DataOutput out)
			throws AsterixException, IOException {
		try {
			ADateSerializerDeserializer.parse(date, out);
		} catch (HyracksDataException e) {
			throw new AsterixException(e);
		}
	}

}