fr.univnantes.termsuite.resources.TermSuitePipelineObserver Maven / Gradle / Ivy


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 * Copyright 2015-2016 - CNRS (Centre National de Recherche Scientifique)
 *
 * Licensed to the Apache Software Foundation (ASF) under one
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 * 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
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 * Unless required by applicable law or agreed to in writing,
 * software distributed under the License is distributed on an
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package fr.univnantes.termsuite.resources;

import java.util.List;

import com.google.common.collect.Lists;

import fr.univnantes.termsuite.api.PipelineListener;

public class TermSuitePipelineObserver {
	
	private List listeners = Lists.newArrayList();
	

	private int globalProcessWeight = 1;
	private int globalCCWeight = 1;
	private int sum = globalCCWeight + globalProcessWeight;

	public TermSuitePipelineObserver(int globalProcessWeight, int globalCCWeight) {
		super();
		this.globalProcessWeight = globalProcessWeight;
		this.globalCCWeight = globalCCWeight;
		this.sum = globalProcessWeight + globalCCWeight;
	}

	public boolean registerListener(PipelineListener e) {
		return listeners.add(e);
	}

	public boolean removeListener(PipelineListener l) {
		return listeners.remove(l);
	}

	public void status(double processProgress, double ccProgress, String statusline) {
		
		for(PipelineListener l:listeners) {
			double absProgress = (processProgress * globalProcessWeight) + (ccProgress * globalCCWeight);
			l.statusUpdated(absProgress/sum, statusline);
		}
	}
}