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/*
* 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.expression.number;
import org.apache.uima.cas.text.AnnotationFS;
import org.apache.uima.ruta.RutaBlock;
import org.apache.uima.ruta.RutaStream;
public class ReferenceNumberExpression extends AbstractNumberExpression {
private final String var;
public ReferenceNumberExpression(String var) {
super();
this.var = var;
}
public double getDoubleValue(RutaBlock parent, AnnotationFS annotation, RutaStream stream) {
Object value = parent.getEnvironment().getVariableValue(getVar());
double variableValue = 0;
if (value instanceof Number) {
variableValue = ((Number) value).doubleValue();
}
return variableValue;
}
public float getFloatValue(RutaBlock parent, AnnotationFS annotation, RutaStream stream) {
Object value = parent.getEnvironment().getVariableValue(getVar());
float variableValue = 0;
if (value instanceof Number) {
variableValue = ((Number) value).floatValue();
}
return variableValue;
}
public int getIntegerValue(RutaBlock parent, AnnotationFS annotation, RutaStream stream) {
Object value = parent.getEnvironment().getVariableValue(getVar());
int variableValue = 0;
if (value instanceof Number) {
variableValue = ((Number) value).intValue();
}
return variableValue;
}
public String getStringValue(RutaBlock parent, AnnotationFS annotation, RutaStream stream) {
Class<?> variableType = parent.getEnvironment().getVariableType(getVar());
if (variableType.equals(Integer.class)) {
return "" + getIntegerValue(parent, null, stream);
} else {
return "" + getDoubleValue(parent, null, stream);
}
}
public String getVar() {
return var;
}
}