/*
 * Licensed to the Indoqa Software Design und Beratung GmbH (Indoqa) under
 * one or more contributor license agreements. See the NOTICE file distributed
 * with this work for additional information regarding copyright ownership.
 * Indoqa 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 com.indoqa.solr.spatial.corridor.direction;

import java.io.IOException;

import com.indoqa.solr.spatial.corridor.debug.DebugValues;
import com.indoqa.solr.spatial.corridor.debug.DebugValuesImpl;
import org.apache.lucene.queries.function.ValueSource;
import org.apache.lucene.queries.function.docvalues.StrDocValues;

public abstract class DebugStrDocValues extends StrDocValues {

    protected DebugValues debugValues = new DebugValuesImpl();

    public DebugStrDocValues(ValueSource vs) {
        super(vs);
    }

    @Override
    public String strVal(int doc) throws IOException {
        Number number = (Number) this.callFunctionValues(doc);
        debugValues.add("result", number);
        return this.debugValues.toJson();
    }

    protected abstract Object callFunctionValues(int doc) throws IOException;

    protected DebugValues getDebugValues() {
        return this.debugValues;
    }
}
