/*
* 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.
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package org.apache.uima.ruta.condition;
import java.util.ArrayList;
import java.util.List;
import org.apache.uima.cas.Type;
import org.apache.uima.cas.text.AnnotationFS;
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.list.BooleanListExpression;
import org.apache.uima.ruta.expression.list.ListExpression;
import org.apache.uima.ruta.expression.list.NumberListExpression;
import org.apache.uima.ruta.expression.list.StringListExpression;
import org.apache.uima.ruta.expression.list.TypeListExpression;
import org.apache.uima.ruta.expression.number.NumberExpression;
import org.apache.uima.ruta.expression.number.SimpleNumberExpression;
import org.apache.uima.ruta.expression.string.StringExpression;
import org.apache.uima.ruta.expression.type.TypeExpression;
import org.apache.uima.ruta.rule.EvaluatedCondition;
import org.apache.uima.ruta.rule.RuleElement;
import org.apache.uima.ruta.visitor.InferenceCrowd;
public class CountCondition extends TypeSentiveCondition {
private final NumberExpression min;
private final NumberExpression max;
private final String var;
private ListExpression list;
private RutaExpression arg;
public CountCondition(TypeExpression type, NumberExpression min, NumberExpression max, String var) {
super(type);
this.min = min == null ? new SimpleNumberExpression(Integer.MIN_VALUE) : min;
this.max = max == null ? new SimpleNumberExpression(Integer.MAX_VALUE) : max;
this.var = var;
}
public CountCondition(ListExpression list, RutaExpression a, NumberExpression min,
NumberExpression max, String var) {
super((TypeExpression) null);
this.list = list;
this.arg = a;
this.min = min == null ? new SimpleNumberExpression(Integer.MIN_VALUE) : min;
this.max = max == null ? new SimpleNumberExpression(Integer.MAX_VALUE) : max;
this.var = var;
}
@Override
public EvaluatedCondition eval(AnnotationFS annotation, RuleElement element,
RutaStream stream, InferenceCrowd crowd) {
if (arg == null) {
List<AnnotationFS> annotationsInWindow = stream.getAnnotationsInWindow(annotation,
type.getType(element.getParent()));
int count = annotationsInWindow.size();
if (var != null) {
element.getParent().getEnvironment().setVariableValue(var, count);
}
boolean value = count >= min.getIntegerValue(element.getParent())
&& count <= max.getIntegerValue(element.getParent());
return new EvaluatedCondition(this, value);
} else {
int count = 0;
if (arg instanceof BooleanExpression && list instanceof BooleanListExpression) {
BooleanExpression e = (BooleanExpression) arg;
BooleanListExpression le = (BooleanListExpression) list;
boolean v = e.getBooleanValue(element.getParent());
List<Boolean> l = new ArrayList<Boolean>(le.getList(element.getParent()));
while (l.remove(v)) {
count++;
}
} else if (arg instanceof NumberExpression && list instanceof NumberListExpression) {
NumberExpression e = (NumberExpression) arg;
NumberListExpression le = (NumberListExpression) list;
Number v = e.getDoubleValue(element.getParent());
List<Number> l = new ArrayList<Number>(le.getList(element.getParent()));
while (l.remove(v)) {
count++;
}
} else if (arg instanceof StringExpression && list instanceof StringListExpression) {
StringExpression e = (StringExpression) arg;
StringListExpression le = (StringListExpression) list;
String v = e.getStringValue(element.getParent());
List<String> l = new ArrayList<String>(le.getList(element.getParent()));
while (l.remove(v)) {
count++;
}
} else if (arg instanceof TypeExpression && list instanceof TypeListExpression) {
TypeExpression e = (TypeExpression) arg;
TypeListExpression le = (TypeListExpression) list;
Type v = e.getType(element.getParent());
List<Type> l = new ArrayList<Type>(le.getList(element.getParent()));
while (l.remove(v)) {
count++;
}
}
if (var != null) {
element.getParent().getEnvironment().setVariableValue(var, count);
}
boolean value = count >= min.getIntegerValue(element.getParent())
&& count <= max.getIntegerValue(element.getParent());
return new EvaluatedCondition(this, value);
}
}
public NumberExpression getMin() {
return min;
}
public NumberExpression getMax() {
return max;
}
public String getVar() {
return var;
}
public ListExpression getArgList() {
return list;
}
public RutaExpression getArg() {
return arg;
}
}