| 1 | /* |
| 2 | * Copyright 2001-2007 Stephen Colebourne |
| 3 | * |
| 4 | * Licensed under the Apache License, Version 2.0 (the "License"); |
| 5 | * you may not use this file except in compliance with the License. |
| 6 | * You may obtain a copy of the License at |
| 7 | * |
| 8 | * http://www.apache.org/licenses/LICENSE-2.0 |
| 9 | * |
| 10 | * Unless required by applicable law or agreed to in writing, software |
| 11 | * distributed under the License is distributed on an "AS IS" BASIS, |
| 12 | * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| 13 | * See the License for the specific language governing permissions and |
| 14 | * limitations under the License. |
| 15 | */ |
| 16 | package org.joda.time.base; |
| 17 | |
| 18 | /** |
| 19 | * BaseLocal is an abstract implementation of ReadablePartial that |
| 20 | * use a local milliseconds internal representation. |
| 21 | * <p> |
| 22 | * This class should generally not be used directly by API users. |
| 23 | * The {@link org.joda.time.ReadablePartial} interface should be used when different |
| 24 | * kinds of partial objects are to be referenced. |
| 25 | * <p> |
| 26 | * BasePartial subclasses may be mutable and not thread-safe. |
| 27 | * |
| 28 | * @author Stephen Colebourne |
| 29 | * @since 1.5 |
| 30 | */ |
| 31 | public abstract class BaseLocal |
| 32 | extends AbstractPartial { |
| 33 | |
| 34 | /** Serialization version */ |
| 35 | private static final long serialVersionUID = 276453175381783L; |
| 36 | |
| 37 | //----------------------------------------------------------------------- |
| 38 | /** |
| 39 | * Constructs a partial with the current time, using ISOChronology in |
| 40 | * the default zone to extract the fields. |
| 41 | * <p> |
| 42 | * The constructor uses the default time zone, resulting in the local time |
| 43 | * being initialised. Once the constructor is complete, all further calculations |
| 44 | * are performed without reference to a timezone (by switching to UTC). |
| 45 | */ |
| 46 | protected BaseLocal() { |
| 47 | super(); |
| 48 | } |
| 49 | |
| 50 | //----------------------------------------------------------------------- |
| 51 | /** |
| 52 | * Gets the local milliseconds from the Java epoch |
| 53 | * of 1970-01-01T00:00:00 (not fixed to any specific time zone). |
| 54 | * <p> |
| 55 | * This method is useful in certain circustances for high performance |
| 56 | * access to the datetime fields. |
| 57 | * |
| 58 | * @return the number of milliseconds since 1970-01-01T00:00:00 |
| 59 | */ |
| 60 | protected abstract long getLocalMillis(); |
| 61 | |
| 62 | } |