/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 org.apache.usergrid.chop.example;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
/**
* A watch battery base class.
*/
public abstract class Battery implements PowerSource {
private static final Logger LOG = LoggerFactory.getLogger( Mainspring.class );
protected long remainingChargeTime = System.currentTimeMillis() + 1300L;
public Battery() {
LOG.debug( "{} created with {} milliseconds of remaining power.",
getClass().getSimpleName(), getRemainingChargeTime() );
}
public long getRemainingChargeTime() {
long time = remainingChargeTime - System.currentTimeMillis();
if ( time < 0 ) {
return 0;
}
else {
return time;
}
}
@Override
public boolean hasPower() {
return remainingChargeTime - System.currentTimeMillis() >= 0;
}
}