/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you under the Apache License, Version 2.0 (the | |
* "License"); you may not use this file except in compliance | |
* with the License. You may obtain a copy of the License at | |
* | |
* http://www.apache.org/licenses/LICENSE-2.0 | |
* | |
* Unless required by applicable law or agreed to in writing, | |
* software distributed under the License is distributed on an | |
* "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | |
* KIND, either express or implied. See the License for the | |
* specific language governing permissions and limitations | |
* under the License. | |
*/ | |
package org.apache.uima.ruta.condition; | |
import org.apache.uima.ruta.RutaStream; | |
import org.apache.uima.ruta.expression.list.ListExpression; | |
import org.apache.uima.ruta.expression.number.INumberExpression; | |
import org.apache.uima.ruta.expression.number.SimpleNumberExpression; | |
import org.apache.uima.ruta.rule.EvaluatedCondition; | |
import org.apache.uima.ruta.rule.MatchContext; | |
import org.apache.uima.ruta.rule.RuleElement; | |
import org.apache.uima.ruta.visitor.InferenceCrowd; | |
public class SizeCondition extends AbstractRutaCondition { | |
private ListExpression<?> listExpr; | |
private INumberExpression minExpr; | |
private INumberExpression maxExpr; | |
private String varExpr; | |
public SizeCondition(ListExpression<?> list, INumberExpression min, INumberExpression max, | |
String string) { | |
super(); | |
this.listExpr = list; | |
this.minExpr = min == null ? new SimpleNumberExpression(Integer.MIN_VALUE) : min; | |
this.maxExpr = max == null ? new SimpleNumberExpression(Integer.MAX_VALUE) : max; | |
this.varExpr = string; | |
} | |
@Override | |
public EvaluatedCondition eval(MatchContext context, RutaStream stream, InferenceCrowd crowd) { | |
RuleElement element = context.getElement(); | |
int count = listExpr.getList(context, stream).size(); | |
boolean value = count >= minExpr.getIntegerValue(context, stream) | |
&& count <= maxExpr.getIntegerValue(context, stream); | |
if (varExpr != null) { | |
element.getParent().getEnvironment().setVariableValue(varExpr, count); | |
} | |
return new EvaluatedCondition(this, value); | |
} | |
public ListExpression<?> getListExpr() { | |
return listExpr; | |
} | |
public INumberExpression getMinExpr() { | |
return minExpr; | |
} | |
public INumberExpression getMaxExpr() { | |
return maxExpr; | |
} | |
public String getVarExpr() { | |
return varExpr; | |
} | |
} |