org.apache.hive.common.util.DateUtils Maven / Gradle / Ivy
/**
* 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.hive.common.util;
import java.math.BigDecimal;
import java.text.SimpleDateFormat;
import org.apache.hadoop.hive.common.type.HiveIntervalDayTime;
/**
* DateUtils. Thread-safe class
*
*/
public class DateUtils {
private static final ThreadLocal dateFormatLocal = new ThreadLocal() {
@Override
protected SimpleDateFormat initialValue() {
return new SimpleDateFormat("yyyy-MM-dd");
}
};
public static SimpleDateFormat getDateFormat() {
return dateFormatLocal.get();
}
public static final int NANOS_PER_SEC = 1000000000;
public static final BigDecimal MAX_INT_BD = new BigDecimal(Integer.MAX_VALUE);
public static final BigDecimal NANOS_PER_SEC_BD = new BigDecimal(NANOS_PER_SEC);
public static int parseNumericValueWithRange(String fieldName,
String strVal, int minValue, int maxValue) throws IllegalArgumentException {
int result = 0;
if (strVal != null) {
result = Integer.parseInt(strVal);
if (result < minValue || result > maxValue) {
throw new IllegalArgumentException(String.format("%s value %d outside range [%d, %d]",
fieldName, result, minValue, maxValue));
}
}
return result;
}
public static long getIntervalDayTimeTotalNanos(HiveIntervalDayTime intervalDayTime) {
return intervalDayTime.getTotalSeconds() * NANOS_PER_SEC + intervalDayTime.getNanos();
}
public static void setIntervalDayTimeTotalNanos(HiveIntervalDayTime intervalDayTime,
long totalNanos) {
intervalDayTime.set(totalNanos / NANOS_PER_SEC, (int) (totalNanos % NANOS_PER_SEC));
}
public static long getIntervalDayTimeTotalSecondsFromTotalNanos(long totalNanos) {
return totalNanos / NANOS_PER_SEC;
}
public static int getIntervalDayTimeNanosFromTotalNanos(long totalNanos) {
return (int) (totalNanos % NANOS_PER_SEC);
}
}