/**
* 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 storm.trident.operation.builtin;
import storm.trident.operation.BaseFilter;
import storm.trident.tuple.TridentTuple;
public class Equals extends BaseFilter {
@Override
public boolean isKeep(TridentTuple tuple) {
for (int i = 0; i < tuple.size() - 1; i++) {
Object o1 = tuple.getValue(i);
Object o2 = tuple.getValue(i + 1);
if (o1 == null && o2 != null || o1 != null && !o1.equals(o2)) {
return false;
}
}
return true;
}
}