/*
* Copyright (C) 2007 Google Inc.
*
* Licensed 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 com.android.mail.lib.base;
/**
* A transformation from one object to another. For example, a
* {@code StringToIntegerFunction} may implement
* Function<String,Integer>
and transform integers in
* {@code String} format to {@code Integer} format.
*
*
The transformation on the source object does not necessarily result in
* an object of a different type. For example, a
* {@code FarenheitToCelsiusFunction} may implement
* Function<Float,Float>
.
*
*
Implementations which may cause side effects upon evaluation are strongly
* encouraged to state this fact clearly in their API documentation.
*
* @param Note that it is always safe not to override
* {@link Object#equals}.
*/
boolean equals(Object obj);
}