org.elasticsearch.script.expression.DateMethodFunctionValues Maven / Gradle / Ivy
/*
* Licensed to Elasticsearch under one or more contributor
* license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright
* ownership. Elasticsearch 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.elasticsearch.script.expression;
import java.util.Calendar;
import java.util.Locale;
import java.util.TimeZone;
import org.apache.lucene.queries.function.ValueSource;
import org.elasticsearch.index.fielddata.AtomicNumericFieldData;
import org.elasticsearch.search.MultiValueMode;
class DateMethodFunctionValues extends FieldDataFunctionValues {
private final int calendarType;
private final Calendar calendar;
DateMethodFunctionValues(ValueSource parent, MultiValueMode multiValueMode, AtomicNumericFieldData data, int calendarType) {
super(parent, multiValueMode, data);
this.calendarType = calendarType;
calendar = Calendar.getInstance(TimeZone.getTimeZone("UTC"), Locale.ROOT);
}
@Override
public double doubleVal(int docId) {
long millis = (long)dataAccessor.get(docId);
calendar.setTimeInMillis(millis);
return calendar.get(calendarType);
}
}