| /* |
| * 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.pig.data; |
| |
| import java.util.List; |
| |
| import org.apache.pig.backend.executionengine.ExecException; |
| import org.apache.pig.classification.InterfaceAudience; |
| |
| /** |
| * Default implementation of TupleFactory. |
| */ |
| @InterfaceAudience.Private |
| public class BinSedesTupleFactory extends TupleFactory { |
| @Override |
| public Tuple newTuple() { |
| return new BinSedesTuple(); |
| |
| } |
| |
| @Override |
| public Tuple newTuple(int size) { |
| return new BinSedesTuple(size); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public Tuple newTuple(List c) { |
| return new BinSedesTuple(c); |
| } |
| |
| @Override |
| @SuppressWarnings("unchecked") |
| public Tuple newTupleNoCopy(List list) { |
| return new BinSedesTuple(list, 1); |
| } |
| |
| @Override |
| public Tuple newTuple(Object datum) { |
| Tuple t = new BinSedesTuple(1); |
| try { |
| t.set(0, datum); |
| } catch (ExecException e) { |
| // The world has come to an end, we just allocated a tuple with one slot |
| // but we can't write to that slot. |
| throw new RuntimeException("Unable to write to field 0 in newly " + |
| "allocated tuple of size 1!", e); |
| } |
| return t; |
| } |
| |
| @Override |
| public Class<? extends Tuple> tupleClass() { |
| return BinSedesTuple.class; |
| } |
| |
| @Override |
| public Class<? extends TupleRawComparator> tupleRawComparatorClass() { |
| return BinSedesTuple.getComparatorClass(); |
| } |
| |
| @Override |
| public boolean isFixedSize() { |
| return false; |
| } |
| } |
| |