/* |
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* Copyright (c) 1996, 2016, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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package java.sql; |
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import java.time.Instant; |
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import java.time.LocalTime; |
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/** |
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* <P>A thin wrapper around the <code>java.util.Date</code> class that allows the JDBC |
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* API to identify this as an SQL <code>TIME</code> value. The <code>Time</code> |
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* class adds formatting and |
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* parsing operations to support the JDBC escape syntax for time |
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* values. |
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* <p>The date components should be set to the "zero epoch" |
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* value of January 1, 1970 and should not be accessed. |
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* |
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* @since 1.1 |
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*/ |
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public class Time extends java.util.Date { |
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/** |
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* Constructs a <code>Time</code> object initialized with the |
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* given values for the hour, minute, and second. |
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* The driver sets the date components to January 1, 1970. |
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* Any method that attempts to access the date components of a |
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* <code>Time</code> object will throw a |
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* <code>java.lang.IllegalArgumentException</code>. |
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* <P> |
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* The result is undefined if a given argument is out of bounds. |
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* |
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* @param hour 0 to 23 |
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* @param minute 0 to 59 |
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* @param second 0 to 59 |
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* |
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* @deprecated Use the constructor that takes a milliseconds value |
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* in place of this constructor |
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*/ |
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@Deprecated(since="1.2") |
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public Time(int hour, int minute, int second) { |
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super(70, 0, 1, hour, minute, second); |
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} |
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/** |
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* Constructs a <code>Time</code> object using a milliseconds time value. |
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* |
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* @param time milliseconds since January 1, 1970, 00:00:00 GMT; |
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* a negative number is milliseconds before |
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* January 1, 1970, 00:00:00 GMT |
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*/ |
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public Time(long time) { |
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super(time); |
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} |
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/** |
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* Sets a <code>Time</code> object using a milliseconds time value. |
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* |
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* @param time milliseconds since January 1, 1970, 00:00:00 GMT; |
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* a negative number is milliseconds before |
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* January 1, 1970, 00:00:00 GMT |
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*/ |
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public void setTime(long time) { |
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super.setTime(time); |
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} |
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/** |
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* Converts a string in JDBC time escape format to a <code>Time</code> value. |
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* |
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* @param s time in format "hh:mm:ss" |
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* @return a corresponding <code>Time</code> object |
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*/ |
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public static Time valueOf(String s) { |
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if (s == null) throw new java.lang.IllegalArgumentException(); |
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int hour; |
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int minute; |
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int second; |
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int firstColon = s.indexOf(':'); |
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int secondColon = s.indexOf(':', firstColon + 1); |
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int len = s.length(); |
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if (firstColon > 0 && secondColon > 0 && |
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secondColon < len - 1) { |
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hour = Integer.parseInt(s, 0, firstColon, 10); |
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minute = Integer.parseInt(s, firstColon + 1, secondColon, 10); |
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second = Integer.parseInt(s, secondColon + 1, len, 10); |
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} else { |
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throw new java.lang.IllegalArgumentException(); |
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} |
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return new Time(hour, minute, second); |
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} |
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/** |
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* Formats a time in JDBC time escape format. |
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* |
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* @return a <code>String</code> in hh:mm:ss format |
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*/ |
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@SuppressWarnings("deprecation") |
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public String toString () { |
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int hour = super.getHours(); |
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int minute = super.getMinutes(); |
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int second = super.getSeconds(); |
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char[] buf = new char[8]; |
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Date.formatDecimalInt(hour, buf, 0, 2); |
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buf[2] = ':'; |
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Date.formatDecimalInt(minute, buf, 3, 2); |
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buf[5] = ':'; |
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Date.formatDecimalInt(second, buf, 6, 2); |
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return new String(buf); |
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} |
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// Override all the date operations inherited from java.util.Date; |
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/** |
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* This method is deprecated and should not be used because SQL <code>TIME</code> |
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* values do not have a year component. |
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* |
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* @deprecated |
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* @exception java.lang.IllegalArgumentException if this |
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* method is invoked |
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* @see #setYear |
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*/ |
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@Deprecated(since="1.2") |
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public int getYear() { |
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throw new java.lang.IllegalArgumentException(); |
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} |
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/** |
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* This method is deprecated and should not be used because SQL <code>TIME</code> |
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* values do not have a month component. |
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* |
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* @deprecated |
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* @exception java.lang.IllegalArgumentException if this |
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* method is invoked |
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* @see #setMonth |
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*/ |
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@Deprecated(since="1.2") |
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public int getMonth() { |
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throw new java.lang.IllegalArgumentException(); |
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} |
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/** |
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* This method is deprecated and should not be used because SQL <code>TIME</code> |
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* values do not have a day component. |
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* |
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* @deprecated |
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* @exception java.lang.IllegalArgumentException if this |
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* method is invoked |
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*/ |
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@Deprecated(since="1.2") |
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public int getDay() { |
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throw new java.lang.IllegalArgumentException(); |
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} |
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/** |
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* This method is deprecated and should not be used because SQL <code>TIME</code> |
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* values do not have a date component. |
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* |
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* @deprecated |
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* @exception java.lang.IllegalArgumentException if this |
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* method is invoked |
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* @see #setDate |
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*/ |
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@Deprecated(since="1.2") |
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public int getDate() { |
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throw new java.lang.IllegalArgumentException(); |
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} |
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/** |
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* This method is deprecated and should not be used because SQL <code>TIME</code> |
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* values do not have a year component. |
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* |
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* @deprecated |
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* @exception java.lang.IllegalArgumentException if this |
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* method is invoked |
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* @see #getYear |
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*/ |
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@Deprecated(since="1.2") |
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public void setYear(int i) { |
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throw new java.lang.IllegalArgumentException(); |
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} |
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/** |
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* This method is deprecated and should not be used because SQL <code>TIME</code> |
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* values do not have a month component. |
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* |
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* @deprecated |
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* @exception java.lang.IllegalArgumentException if this |
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* method is invoked |
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* @see #getMonth |
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*/ |
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@Deprecated(since="1.2") |
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public void setMonth(int i) { |
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throw new java.lang.IllegalArgumentException(); |
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} |
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/** |
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* This method is deprecated and should not be used because SQL <code>TIME</code> |
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* values do not have a date component. |
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* |
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* @deprecated |
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* @exception java.lang.IllegalArgumentException if this |
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* method is invoked |
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* @see #getDate |
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*/ |
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@Deprecated(since="1.2") |
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public void setDate(int i) { |
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throw new java.lang.IllegalArgumentException(); |
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} |
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/** |
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* Private serial version unique ID to ensure serialization |
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* compatibility. |
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*/ |
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static final long serialVersionUID = 8397324403548013681L; |
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/** |
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* Obtains an instance of {@code Time} from a {@link LocalTime} object |
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* with the same hour, minute and second time value as the given |
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* {@code LocalTime}. The nanosecond field from {@code LocalTime} is |
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* not part of the newly created {@code Time} object. |
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* |
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* @param time a {@code LocalTime} to convert |
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* @return a {@code Time} object |
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* @exception NullPointerException if {@code time} is null |
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* @since 1.8 |
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*/ |
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@SuppressWarnings("deprecation") |
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public static Time valueOf(LocalTime time) { |
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return new Time(time.getHour(), time.getMinute(), time.getSecond()); |
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} |
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/** |
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* Converts this {@code Time} object to a {@code LocalTime}. |
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* <p> |
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* The conversion creates a {@code LocalTime} that represents the same |
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* hour, minute, and second time value as this {@code Time}. The |
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* nanosecond {@code LocalTime} field will be set to zero. |
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* |
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* @return a {@code LocalTime} object representing the same time value |
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* @since 1.8 |
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*/ |
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@SuppressWarnings("deprecation") |
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public LocalTime toLocalTime() { |
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return LocalTime.of(getHours(), getMinutes(), getSeconds()); |
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} |
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/** |
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* This method always throws an UnsupportedOperationException and should |
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* not be used because SQL {@code Time} values do not have a date |
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* component. |
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* |
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* @exception java.lang.UnsupportedOperationException if this method is invoked |
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*/ |
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@Override |
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public Instant toInstant() { |
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throw new java.lang.UnsupportedOperationException(); |
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} |
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} |