/*
* Copyright 2004-2023 H2 Group. Multiple-Licensed under the MPL 2.0,
* and the EPL 1.0 (https://h2database.com/html/license.html).
* Initial Developer: H2 Group
*/
package org.h2.value;
import org.h2.api.ErrorCode;
import org.h2.engine.CastDataProvider;
import org.h2.message.DbException;
import org.h2.util.DateTimeUtils;
/**
* Implementation of the DATE data type.
*/
public final class ValueDate extends Value {
/**
* The default precision and display size of the textual representation of a date.
* Example: 2000-01-02
*/
public static final int PRECISION = 10;
private final long dateValue;
private ValueDate(long dateValue) {
if (dateValue < DateTimeUtils.MIN_DATE_VALUE || dateValue > DateTimeUtils.MAX_DATE_VALUE) {
throw new IllegalArgumentException("dateValue out of range " + dateValue);
}
this.dateValue = dateValue;
}
/**
* Get or create a date value for the given date.
*
* @param dateValue the date value
* @return the value
*/
public static ValueDate fromDateValue(long dateValue) {
return (ValueDate) Value.cache(new ValueDate(dateValue));
}
/**
* Parse a string to a ValueDate.
*
* @param s the string to parse
* @return the date
*/
public static ValueDate parse(String s) {
try {
return fromDateValue(DateTimeUtils.parseDateValue(s, 0, s.length()));
} catch (Exception e) {
throw DbException.get(ErrorCode.INVALID_DATETIME_CONSTANT_2,
e, "DATE", s);
}
}
public long getDateValue() {
return dateValue;
}
@Override
public TypeInfo getType() {
return TypeInfo.TYPE_DATE;
}
@Override
public int getValueType() {
return DATE;
}
@Override
public String getString() {
return DateTimeUtils.appendDate(new StringBuilder(PRECISION), dateValue).toString();
}
@Override
public StringBuilder getSQL(StringBuilder builder, int sqlFlags) {
return DateTimeUtils.appendDate(builder.append("DATE '"), dateValue).append('\'');
}
@Override
public int compareTypeSafe(Value o, CompareMode mode, CastDataProvider provider) {
return Long.compare(dateValue, ((ValueDate) o).dateValue);
}
@Override
public boolean equals(Object other) {
return this == other || other instanceof ValueDate && dateValue == ((ValueDate) other).dateValue;
}
@Override
public int hashCode() {
return (int) (dateValue ^ (dateValue >>> 32));
}
}