/*
* *************************************************************************************
* Copyright (C) 2008 EsperTech, Inc. All rights reserved. *
* http://esper.codehaus.org *
* 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.client.soda;
import java.io.StringWriter;
import java.util.ArrayList;
import java.util.List;
/**
* Category-segmented context.
*/
public class ContextDescriptorCategory implements ContextDescriptor {
private static final long serialVersionUID = 4054195679515606559L;
private List<ContextDescriptorCategoryItem> items;
private Filter filter;
/**
* Ctor.
*/
public ContextDescriptorCategory() {
items = new ArrayList<ContextDescriptorCategoryItem>();
}
/**
* Ctor.
* @param items categories
* @param filter event type and predicate
*/
public ContextDescriptorCategory(List<ContextDescriptorCategoryItem> items, Filter filter) {
this.items = items;
this.filter = filter;
}
/**
* Returns categories.
* @return categories
*/
public List<ContextDescriptorCategoryItem> getItems() {
return items;
}
/**
* Sets categories
* @param items categories to set
*/
public void setItems(List<ContextDescriptorCategoryItem> items) {
this.items = items;
}
/**
* Returns type name and predicate expressions (filter)
* @return filter
*/
public Filter getFilter() {
return filter;
}
/**
* Sets type name and predicate expressions (filter)
* @param filter filter
*/
public void setFilter(Filter filter) {
this.filter = filter;
}
public void toEPL(StringWriter writer, EPStatementFormatter formatter) {
String delimiter = "";
for (ContextDescriptorCategoryItem item : items) {
writer.append(delimiter);
item.toEPL(writer, formatter);
delimiter = ", ";
}
writer.append(" from ");
filter.toEPL(writer, formatter);
}
}