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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.parser;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

import de.invation.code.toval.validate.ParameterException;
import de.invation.code.toval.validate.ParameterException.ErrorCode;
import de.invation.code.toval.validate.Validate;
import de.uni.freiburg.iig.telematik.sewol.log.LogEntry;
import de.uni.freiburg.iig.telematik.sewol.log.LogSummary;
import de.uni.freiburg.iig.telematik.sewol.log.LogTrace;

public abstract class AbstractLogParser implements LogParserInterface {

	protected List>> parsedLogFiles = null;
	protected Map> summaries = new HashMap>();

	protected boolean parsed() {
		return parsedLogFiles != null;
	}

	protected int parsedLogFiles() {
		if (!parsed())
			return 0;
		return parsedLogFiles.size();
	}
	
	public List> getParsedLog(int index) throws ParameterException {
		if (!parsed())
			throw new ParameterException("Log not parsed yet!");
		Validate.notNegative(index);
		if (index > parsedLogFiles() - 1)
			throw new ParameterException(ErrorCode.RANGEVIOLATION, "No log for index " + index);
		return parsedLogFiles.get(index);
	}
	
	@Override
	public List> getFirstParsedLog() throws ParameterException {
		return getParsedLog(0);
	}
	
	public LogSummary getSummary(int index) throws ParameterException {
		if (!parsed())
			throw new ParameterException("Log not parsed yet!");
		Validate.notNegative(index);
		if (index > parsedLogFiles() - 1)
			throw new ParameterException(ErrorCode.RANGEVIOLATION, "No log for index " + index);
		if (!summaries.containsKey(index))
			summaries.put(index, new LogSummary(getParsedLog(index)));
		return summaries.get(index);
	}
	
	@Override
	public LogSummary getSummaryForFirstParsedLog() throws ParameterException {
		return getSummary(0);
	}
	
}