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/*
* Copyright (c) 2012-2015, Isode Limited, London, England.
* All rights reserved.
*/
package com.isode.stroke.signals;
/**
* An approximation of the boost::signals system with 4 parameters
* @param <T1> Type 1
* @param <T2> Type 2
* @param <T3> Type 3
* @param <T4> Type 4
*/
public class Signal4<T1, T2, T3, T4> extends BaseSignal {
/**
* Add a slot which will be notified
* @param bind slot, not null
* @return signal connection
*/
public SignalConnection connect(Slot4<T1, T2, T3, T4> bind) {
return addBind(bind);
}
/**
* Notify all slots(listeners)
* @param p1 parameter value 1
* @param p2 parameter value 2
* @param p3 parameter value 3
* @param p4 parameter value 4
*/
@SuppressWarnings("unchecked")
public void emit(T1 p1, T2 p2, T3 p3, T4 p4) {
final BaseSlot[] binds = getBinds();
if (binds == null) {return;}
for (BaseSlot bind : binds) {
((Slot4<T1, T2, T3, T4>)bind).call(p1, p2, p3, p4);
}
}
}
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Swift