Method put

src/main/java/cms/utils/UniqueBlockingQueue.java:36–42

(T e)

	}
	
	@Override
	public synchronized void put(T e) throws InterruptedException {
	    if (!mElementSet.contains(e)) {
		    mBlockingQueue.put(e);
		    mElementSet.add(e);
	    }
	}
	
	@Override
	public synchronized boolean offer(T e) {