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/*
* Copyright (c) 2013, Oracle and/or its affiliates. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* - Neither the name of Oracle nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS
* IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
* CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
* EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
* PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
* LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
* NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* This source code is provided to illustrate the usage of a given feature
* or technique and has been deliberately simplified. Additional steps
* required for a production-quality application, such as security checks,
* input validation and proper error handling, might not be present in
* this sample code.
*/
package plugins;
import checker.Module;
import checker.Require;
/**
* BoilerPlugin provides support for boiling water and keeping water warm.
*/
@Require(value = Module.CLOCK, maxVersion = 3)
@Require(value = Module.THERMOMETER)
@Require(value = Module.HEATER)
@Require(value = Module.LED, optional = true) //will use if present
public class BoilerPlugin {
/**
* Heats water up to 100 degrees Celsius.
*/
public void boil() {
boil(100);
}
/**
* Heats water up to temperature.
*
* @param temperature - desired temperature of the water in the boiler
*/
public void boil(int temperature) {
/*
* Turn on heater and wait while temperature reaches desired temperature
* in Celsius. Finally, turn off heater.
* If present, the LED light changes color according to the temperature.
*/
}
/**
* Keeps desired temperature.
*
* @param temperature - desired temperature of the water in the boiler
* @param seconds - period of time for checking temperature in seconds
*/
public void keepWarm(int temperature, int seconds) {
//Every n seconds check temperature and warm up, if necessary.
}
}
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