/*
***************************************************************************************
* 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.pattern;
import java.util.ArrayList;
import java.util.List;
/**
* Result of analysis of pattern expression node tree.
*/
public class EvalNodeAnalysisResult {
private List<EvalFactoryNode> activeNodes = new ArrayList<EvalFactoryNode>();
/**
* Add a node found.
*
* @param node found
*/
public void addNode(EvalFactoryNode node) {
activeNodes.add(node);
}
/**
* Returns all nodes found.
*
* @return pattern nodes
*/
public List<EvalFactoryNode> getActiveNodes() {
return activeNodes;
}
/**
* Returns filter nodes.
*
* @return filter nodes
*/
public List<EvalFilterFactoryNode> getFilterNodes() {
List<EvalFilterFactoryNode> filterNodes = new ArrayList<EvalFilterFactoryNode>();
for (EvalFactoryNode node : activeNodes) {
if (node instanceof EvalFilterFactoryNode) {
filterNodes.add((EvalFilterFactoryNode) node);
}
}
return filterNodes;
}
/**
* Returns the repeat-nodes.
*
* @return repeat nodes
*/
public List<EvalMatchUntilFactoryNode> getRepeatNodes() {
List<EvalMatchUntilFactoryNode> filterNodes = new ArrayList<EvalMatchUntilFactoryNode>();
for (EvalFactoryNode node : activeNodes) {
if (node instanceof EvalMatchUntilFactoryNode) {
filterNodes.add((EvalMatchUntilFactoryNode) node);
}
}
return filterNodes;
}
}