/*
***************************************************************************************
* Copyright (C) 2006 EsperTech, Inc. All rights reserved. *
* http://www.espertech.com/esper *
* http://www.espertech.com *
* ---------------------------------------------------------------------------------- *
* The software in this package is published under the terms of the GPL license *
* a copy of which has been included with this distribution in the license.txt file. *
***************************************************************************************
*/
package com.espertech.esper.filter;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.List;
/**
* Holder object for a set of filters for one or more statements.
*/
public class FilterSet {
private List<FilterSetEntry> filters;
/**
* Ctor.
*
* @param filters set of filters
*/
public FilterSet(List<FilterSetEntry> filters) {
this.filters = filters;
}
/**
* Returns the filters.
*
* @return filters
*/
public List<FilterSetEntry> getFilters() {
return filters;
}
public String toString() {
List<String> filterTexts = new ArrayList<String>();
for (FilterSetEntry entry : filters) {
StringWriter writer = new StringWriter();
entry.appendTo(writer);
filterTexts.add(writer.toString());
}
Collections.sort(filterTexts);
StringWriter writer = new StringWriter();
String delimiter = "";
for (String filterText : filterTexts) {
writer.append(delimiter);
writer.append(filterText);
delimiter = ",";
}
return writer.toString();
}
}