@Override
	public boolean isConnected(String eventName) {
		if (!connectHt.contains(eventName)) {
			return false;
		}
		try {
			int value = connectHt.get(eventName);
			return (value == CONNECTED);

		}
		catch (NoValueException e) {
			return false;
		}

	}
Default constructor used when there is a problem restoring state
on the workspace; want the restore() method to still work.
Ghidra/Framework/Project/src/main/java/ghidra/framework/project/tool/ToolConnectionImpl.java