/*******************************************************************************
 * Copyright 2017 Capital One Services, LLC and Bitwise, Inc.
 * 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 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 hydrograph.engine.cascading.filters;

import cascading.flow.FlowProcess;
import cascading.operation.BaseOperation;
import cascading.operation.Filter;
import cascading.operation.FilterCall;

import java.util.ArrayList;

public class PartitionFilter extends BaseOperation implements Filter {
	ArrayList<ArrayList<String>> listOfPartitionColumn;

	public PartitionFilter(ArrayList<ArrayList<String>> arrayList) {
		this.listOfPartitionColumn = arrayList;
	}

	@Override
	public boolean isRemove(FlowProcess flowProcess, FilterCall filterCall) {
		
		//int matchedCounter = 0;
		for (ArrayList<String> listOfString : this.listOfPartitionColumn) {
			int i = 0;
			int matchedCounter = 0;
			for (String string : listOfString) {
				if (string.equals(filterCall.getArguments().getString(i))) {
					matchedCounter++;
				}
				i++;
			}
			if (matchedCounter == listOfString.size()) {
				return false;
			}
		}
		return true;
	}

}