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Builder.java
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Builder.java
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import java.util.concurrent.locks.Condition;
import java.util.concurrent.locks.Lock;
import java.util.concurrent.locks.ReentrantLock;
public abstract class Builder {
private Lock lock = new ReentrantLock();
private Condition AnItemTaken = lock.newCondition();
private Condition AnItemProduced = lock.newCondition();
private Condition AvailableSpace = lock.newCondition();
private Condition ArrivedMaterial = lock.newCondition();
public Lock getLock() {
return lock;
}
public Condition getAnItemTakenCondition() {
return AnItemTaken;
}
public Condition getAnItemProduced() {
return AnItemProduced;
}
public Condition AvailableSpaceForUnload() {
return AvailableSpace;
}
public Condition MaterialArrived(){
return ArrivedMaterial;
}
public abstract int OutStorageCount(); // returns number of items in outgoing storage
public abstract int InStorageCount(); // returns number of items in ingoing storage
public abstract int OutStorageCapacity();
public abstract int InStorageCapacity();
public abstract boolean isEmpty(); //subject of WaitNextLoad(outgoing storage).
public abstract boolean isFull(); // subject of WaitUnload(ingoing storage)
public abstract boolean isActive();
public abstract boolean decreaseItem();
public abstract boolean increaseItem();
public abstract Type typeOfBuilder();
}