/*
* 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.action;
import org.apache.uima.cas.Type;
import org.apache.uima.ruta.RutaBlock;
import org.apache.uima.ruta.RutaEnvironment;
import org.apache.uima.ruta.RutaStream;
import org.apache.uima.ruta.expression.RutaExpression;
import org.apache.uima.ruta.expression.bool.BooleanExpression;
import org.apache.uima.ruta.expression.number.NumberExpression;
import org.apache.uima.ruta.expression.string.StringExpression;
import org.apache.uima.ruta.expression.type.TypeExpression;
import org.apache.uima.ruta.rule.RuleElement;
import org.apache.uima.ruta.rule.RuleMatch;
import org.apache.uima.ruta.visitor.InferenceCrowd;
public class AssignAction extends AbstractRutaAction {
private String var;
private RutaExpression expression;
public AssignAction(String var, RutaExpression e) {
super();
this.var = var;
this.expression = e;
}
@Override
public void execute(RuleMatch match, RuleElement element, RutaStream stream,
InferenceCrowd crowd) {
RutaBlock parent = element.getParent();
RutaEnvironment environment = parent.getEnvironment();
Class<?> clazz = environment.getVariableType(var);
if (clazz.equals(Integer.class) && expression instanceof NumberExpression) {
int v = ((NumberExpression) expression).getIntegerValue(parent);
environment.setVariableValue(var, v);
} else if (clazz.equals(Double.class) && expression instanceof NumberExpression) {
double v = ((NumberExpression) expression).getDoubleValue(parent);
environment.setVariableValue(var, v);
} else if (clazz.equals(Type.class) && expression instanceof TypeExpression) {
Type v = ((TypeExpression) expression).getType(parent);
environment.setVariableValue(var, v);
} else if (clazz.equals(Boolean.class) && expression instanceof BooleanExpression) {
boolean v = ((BooleanExpression) expression).getBooleanValue(parent);
environment.setVariableValue(var, v);
} else if (clazz.equals(String.class) && expression instanceof StringExpression) {
String v = ((StringExpression) expression).getStringValue(parent);
environment.setVariableValue(var, v);
}
}
public String getVar() {
return var;
}
public RutaExpression getExpression() {
return expression;
}
}