/*
* 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.flink.api.java.typeutils.runtime;
import org.apache.flink.api.common.ExecutionConfig;
import org.apache.flink.api.common.typeinfo.BasicTypeInfo;
import org.apache.flink.api.common.typeinfo.TypeInformation;
import org.apache.flink.api.common.typeutils.ComparatorTestBase;
import org.apache.flink.api.common.typeutils.TypeComparator;
import org.apache.flink.api.common.typeutils.TypeSerializer;
import org.apache.flink.api.java.typeutils.RowTypeInfo;
import org.apache.flink.api.java.typeutils.runtime.RowComparator;
import org.apache.flink.types.Row;
import org.junit.BeforeClass;
import static org.apache.flink.util.Preconditions.checkArgument;
import static org.apache.flink.util.Preconditions.checkNotNull;
import static org.junit.Assert.assertEquals;
/**
* Tests {@link RowComparator} for wide rows.
*/
public class RowComparatorWithManyFieldsTests extends ComparatorTestBase<Row> {
private static final int numberOfFields = 10;
private static RowTypeInfo typeInfo;
private static final Row[] data = new Row[]{
createRow(null, "b0", "c0", "d0", "e0", "f0", "g0", "h0", "i0", "j0"),
createRow("a1", "b1", "c1", "d1", "e1", "f1", "g1", "h1", "i1", "j1"),
createRow("a2", "b2", "c2", "d2", "e2", "f2", "g2", "h2", "i2", "j2"),
createRow("a3", "b3", "c3", "d3", "e3", "f3", "g3", "h3", "i3", "j3")
};
@BeforeClass
public static void setUp() throws Exception {
TypeInformation<?>[] fieldTypes = new TypeInformation[numberOfFields];
for (int i = 0; i < numberOfFields; i++) {
fieldTypes[i] = BasicTypeInfo.STRING_TYPE_INFO;
}
typeInfo = new RowTypeInfo(fieldTypes);
}
@Override
protected void deepEquals(String message, Row should, Row is) {
int arity = should.getArity();
assertEquals(message, arity, is.getArity());
for (int i = 0; i < arity; i++) {
Object copiedValue = should.getField(i);
Object element = is.getField(i);
assertEquals(message, element, copiedValue);
}
}
@Override
protected TypeComparator<Row> createComparator(boolean ascending) {
return typeInfo.createComparator(
new int[]{0},
new boolean[]{ascending},
0,
new ExecutionConfig());
}
@Override
protected TypeSerializer<Row> createSerializer() {
return typeInfo.createSerializer(new ExecutionConfig());
}
@Override
protected Row[] getSortedTestData() {
return data;
}
@Override
protected boolean supportsNullKeys() {
return true;
}
private static Row createRow(Object... values) {
checkNotNull(values);
checkArgument(values.length == numberOfFields);
Row row = new Row(numberOfFields);
for (int i = 0; i < values.length; i++) {
row.setField(i, values[i]);
}
return row;
}
}