/**
* 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.serde2.objectinspector;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import junit.framework.TestCase;
import org.apache.hadoop.hive.serde2.objectinspector.ObjectInspector.Category;
import org.apache.hadoop.hive.serde2.objectinspector.primitive.PrimitiveObjectInspectorFactory;
import org.apache.hadoop.hive.serde2.proto.test.Complexpb.Complex;
import org.apache.hadoop.hive.serde2.proto.test.Complexpb.IntString;
/**
* TestProtocolBuffersObjectInspectors.
*
*/
public class TestProtocolBuffersObjectInspectors extends TestCase {
public void testProtocolBuffersObjectInspectors() throws Throwable {
try {
ObjectInspector oi1 = ObjectInspectorFactory
.getReflectionObjectInspector(Complex.class,
ObjectInspectorFactory.ObjectInspectorOptions.PROTOCOL_BUFFERS);
ObjectInspector oi2 = ObjectInspectorFactory
.getReflectionObjectInspector(Complex.class,
ObjectInspectorFactory.ObjectInspectorOptions.PROTOCOL_BUFFERS);
assertEquals(oi1, oi2);
// metadata
assertEquals(Category.STRUCT, oi1.getCategory());
StructObjectInspector soi = (StructObjectInspector) oi1;
List<? extends StructField> fields = soi.getAllStructFieldRefs();
assertEquals(5, fields.size());
assertEquals(fields.get(0), soi.getStructFieldRef("aint_"));
// null
for (int i = 0; i < fields.size(); i++) {
assertNull(soi.getStructFieldData(null, fields.get(i)));
}
// real object
List<Integer> c2 = Arrays.asList(new Integer[] {1, 2, 3});
List<String> c3 = Arrays.asList(new String[] {"one", "two"});
List<IntString> c4 = new ArrayList<IntString>();
Complex c = new Complex(1, "test", c2, c3, c4);
assertEquals(1, soi.getStructFieldData(c, fields.get(0)));
assertEquals("test", soi.getStructFieldData(c, fields.get(1)));
assertEquals(c2, soi.getStructFieldData(c, fields.get(2)));
assertEquals(c3, soi.getStructFieldData(c, fields.get(3)));
assertEquals(c4, soi.getStructFieldData(c, fields.get(4)));
ArrayList<Object> cfields = new ArrayList<Object>();
for (int i = 0; i < 5; i++) {
cfields.add(soi.getStructFieldData(c, fields.get(i)));
}
assertEquals(cfields, soi.getStructFieldsDataAsList(c));
// sub fields
assertEquals(PrimitiveObjectInspectorFactory.javaIntObjectInspector,
fields.get(0).getFieldObjectInspector());
assertEquals(PrimitiveObjectInspectorFactory.javaStringObjectInspector,
fields.get(1).getFieldObjectInspector());
assertEquals(
ObjectInspectorFactory
.getStandardListObjectInspector(PrimitiveObjectInspectorFactory.javaIntObjectInspector),
fields.get(2).getFieldObjectInspector());
assertEquals(
ObjectInspectorFactory
.getStandardListObjectInspector(PrimitiveObjectInspectorFactory
.javaStringObjectInspector),
fields.get(3).getFieldObjectInspector());
assertEquals(ObjectInspectorFactory
.getStandardListObjectInspector(ObjectInspectorFactory
.getReflectionObjectInspector(IntString.class,
ObjectInspectorFactory.ObjectInspectorOptions.PROTOCOL_BUFFERS)),
fields.get(4).getFieldObjectInspector());
} catch (Throwable e) {
e.printStackTrace();
throw e;
}
}
}