/**
* 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.hadoop.hive.ql.exec.persistence;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.util.List;
import java.util.Properties;
import junit.framework.Assert;
import org.apache.hadoop.hive.ql.metadata.HiveException;
import org.apache.hadoop.hive.serde.serdeConstants;
import org.apache.hadoop.hive.serde2.lazybinary.LazyBinarySerDe;
import org.apache.hadoop.io.BytesWritable;
class Utilities {
static void testEquality(MapJoinKeyObject key1, MapJoinKeyObject key2) {
Assert.assertEquals(key1.hashCode(), key2.hashCode());
Assert.assertEquals(key1, key2);
Assert.assertEquals(key1.getKeyLength(), key2.getKeyLength());
Assert.assertTrue(key1.equals(key2));
}
static MapJoinKeyObject serde(MapJoinKeyObject key, String columns, String types)
throws Exception {
MapJoinKeyObject result = new MapJoinKeyObject();
ByteArrayInputStream bais;
ObjectInputStream in;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(baos);
LazyBinarySerDe serde = new LazyBinarySerDe();
Properties props = new Properties();
props.put(serdeConstants.LIST_COLUMNS, columns);
props.put(serdeConstants.LIST_COLUMN_TYPES, types);
serde.initialize(null, props);
MapJoinObjectSerDeContext context = new MapJoinObjectSerDeContext(serde, false);
key.write(context, out);
out.close();
bais = new ByteArrayInputStream(baos.toByteArray());
in = new ObjectInputStream(bais);
result.read(context, in, new BytesWritable());
return result;
}
static void testEquality(MapJoinRowContainer container1, MapJoinRowContainer container2)
throws HiveException {
Assert.assertEquals(container1.rowCount(), container2.rowCount());
AbstractRowContainer.RowIterator<List<Object>> iter1 = container1.rowIter(),
iter2 = container2.rowIter();
for (List<Object> row1 = iter1.first(), row2 = iter2.first();
row1 != null && row2 != null; row1 = iter1.next(), row2 = iter2.next()) {
Assert.assertEquals(row1, row2);
}
}
static MapJoinEagerRowContainer serde(
MapJoinRowContainer container, String columns, String types) throws Exception {
MapJoinEagerRowContainer result = new MapJoinEagerRowContainer();
ByteArrayInputStream bais;
ObjectInputStream in;
ByteArrayOutputStream baos = new ByteArrayOutputStream();
ObjectOutputStream out = new ObjectOutputStream(baos);
LazyBinarySerDe serde = new LazyBinarySerDe();
Properties props = new Properties();
props.put(serdeConstants.LIST_COLUMNS, columns);
props.put(serdeConstants.LIST_COLUMN_TYPES, types);
serde.initialize(null, props);
MapJoinObjectSerDeContext context = new MapJoinObjectSerDeContext(serde, true);
container.write(context, out);
out.close();
bais = new ByteArrayInputStream(baos.toByteArray());
in = new ObjectInputStream(bais);
result.read(context, in, new BytesWritable());
return result;
}
}