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SEWOL provides support for the handling of workflow traces. Specifically it allows to specify the shape and content of process traces in terms of entries representing the execution of a specific workflow activity. SEWOL also allows to write these traces on disk as a log file with the help of a special file writer for process logs. Currently it supports plain text, Petrify, MXML and XES log file types. In order to specify security-related context information, SEWOL provides access control models such as access control lists (ACL) and role-based access control models (RBAC). All types of models can be conveniently edited with the help of appropriate dialogs.

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package de.uni.freiburg.iig.telematik.sewol.log;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashSet;
import java.util.List;
import java.util.Set;

import de.invation.code.toval.validate.ParameterException;
import de.invation.code.toval.validate.Validate;

public class Log {

	private final LogSummary summary = new LogSummary<>();
	private final Set> distinctTraces = new HashSet<>();
	private final List> traces = new ArrayList<>();

	public LogSummary getSummary() {
		return summary;
	}
	
	public void addTraces(List> traces) throws ParameterException{
		Validate.notNull(traces);
		for(LogTrace trace: traces){
			addTrace(trace);
		}
	}
	
	public void addTrace(LogTrace trace) throws ParameterException{
		Validate.notNull(trace);
		trace.setCaseNumber(traces.size()+1);
		traces.add(trace);
		summary.addTrace(trace);
		if(!distinctTraces.add(trace)){
			for(LogTrace storedTrace: traces){
				if(storedTrace.equals(trace)){
					storedTrace.addSimilarInstance(trace.getCaseNumber());
					trace.addSimilarInstance(storedTrace.getCaseNumber());
				}
			}
		}
	}
	
	public List> getTraces(){
		return Collections.unmodifiableList(traces);
	}
}