| /* |
| * Copyright 2009-2012 by The Regents of the University of California |
| * Licensed 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 from |
| * |
| * 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 edu.uci.ics.hyracks.storage.am.common.datagen; |
| |
| import java.util.Random; |
| |
| import edu.uci.ics.hyracks.api.dataflow.value.ISerializerDeserializer; |
| import edu.uci.ics.hyracks.dataflow.common.data.marshalling.DoubleSerializerDeserializer; |
| import edu.uci.ics.hyracks.dataflow.common.data.marshalling.FloatSerializerDeserializer; |
| import edu.uci.ics.hyracks.dataflow.common.data.marshalling.IntegerSerializerDeserializer; |
| import edu.uci.ics.hyracks.dataflow.common.data.marshalling.UTF8StringSerializerDeserializer; |
| |
| @SuppressWarnings("rawtypes") |
| public class DataGenUtils { |
| public static IFieldValueGenerator getFieldGenFromSerde(ISerializerDeserializer serde, Random rnd, boolean sorted) { |
| if (serde instanceof IntegerSerializerDeserializer) { |
| if (sorted) { |
| return new SortedIntegerFieldValueGenerator(); |
| } else { |
| return new IntegerFieldValueGenerator(rnd); |
| } |
| } else if (serde instanceof FloatSerializerDeserializer) { |
| if (sorted) { |
| return new SortedFloatFieldValueGenerator(); |
| } else { |
| return new FloatFieldValueGenerator(rnd); |
| } |
| } else if (serde instanceof DoubleSerializerDeserializer) { |
| if (sorted) { |
| return new SortedDoubleFieldValueGenerator(); |
| } else { |
| return new DoubleFieldValueGenerator(rnd); |
| } |
| } else if (serde instanceof UTF8StringSerializerDeserializer) { |
| return new StringFieldValueGenerator(20, rnd); |
| } |
| return null; |
| } |
| |
| public static IFieldValueGenerator[] getFieldGensFromSerdes(ISerializerDeserializer[] serdes, Random rnd, boolean sorted) { |
| IFieldValueGenerator[] fieldValueGens = new IFieldValueGenerator[serdes.length]; |
| for (int i = 0; i < serdes.length; i++) { |
| fieldValueGens[i] = getFieldGenFromSerde(serdes[i], rnd, sorted); |
| } |
| return fieldValueGens; |
| } |
| } |