/** * Licensed to the Apache Software Foundation (ASF) under one * or more contributor license agreements. See the NOTICE file * distributed with this work for additional information * regarding copyright ownership. The ASF licenses this file * to you under the Apache License, Version 2.0 (the * "License"); you may not use this file except in compliance * with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software * distributed under the License is distributed on an "AS IS" BASIS, * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. * See the License for the specific language governing permissions and * limitations under the License. */ package org.apache.tajo.storage; import org.apache.tajo.common.TajoDataTypes; import org.apache.tajo.datum.Datum; import org.apache.tajo.util.datetime.TimeMeta; public interface Tuple extends Cloneable { int size(); boolean contains(int fieldid); boolean isBlank(int fieldid); boolean isBlankOrNull(int fieldid); void insertTuple(int fieldId, Tuple tuple); void put(int fieldId, Datum value); void put(Datum[] values); void clear(); Datum asDatum(int fieldId); TajoDataTypes.Type type(int fieldId); int size(int fieldId); void clearOffset(); void setOffset(long offset); long getOffset(); boolean getBool(int fieldId); byte getByte(int fieldId); char getChar(int fieldId); byte[] getBytes(int fieldId); byte[] getTextBytes(int fieldId); short getInt2(int fieldId); int getInt4(int fieldId); long getInt8(int fieldId); float getFloat4(int fieldId); double getFloat8(int fieldId); String getText(int fieldId); TimeMeta getTimeDate(int fieldId); Datum getProtobufDatum(int fieldId); Datum getInterval(int fieldId); // todo remove this char [] getUnicodeChars(int fieldId); Tuple clone() throws CloneNotSupportedException; // todo remove this Datum[] getValues(); }