| /* |
| * 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 java.util.ArrayList; |
| import java.util.List; |
| import java.util.Map; |
| import java.util.Map.Entry; |
| import java.util.Set; |
| |
| import org.apache.uima.ruta.RutaEnvironment; |
| import org.apache.uima.ruta.RutaStream; |
| import org.apache.uima.ruta.block.RutaBlock; |
| import org.apache.uima.ruta.expression.IRutaExpression; |
| import org.apache.uima.ruta.rule.EvaluatedCondition; |
| import org.apache.uima.ruta.rule.MatchContext; |
| import org.apache.uima.ruta.visitor.InferenceCrowd; |
| |
| public class MacroCondition extends AbstractRutaCondition { |
| |
| private final String name; |
| |
| private final Map<String, String> definition; |
| |
| private final List<AbstractRutaCondition> conditions; |
| |
| private final Set<String> vars; |
| |
| private final List<IRutaExpression> arguments; |
| |
| public MacroCondition(String name, Map<String, String> definition, |
| List<AbstractRutaCondition> conditions, Set<String> vars, |
| List<IRutaExpression> arguments) { |
| super(); |
| this.name = name; |
| this.definition = definition; |
| this.conditions = conditions; |
| this.vars = vars; |
| this.arguments = arguments; |
| } |
| |
| @Override |
| public EvaluatedCondition eval(MatchContext context, RutaStream stream, InferenceCrowd crowd) { |
| boolean result = true; |
| prepareEnvironment(context, stream); |
| List<EvaluatedCondition> evals = new ArrayList<EvaluatedCondition>(); |
| for (AbstractRutaCondition each : conditions) { |
| crowd.beginVisit(each, null); |
| EvaluatedCondition eval = each.eval(context, stream, crowd); |
| crowd.endVisit(each, null); |
| result &= eval.isValue(); |
| evals.add(eval); |
| } |
| cleanupEnvironment(context, stream); |
| return new EvaluatedCondition(this, result, evals); |
| } |
| |
| private void prepareEnvironment(MatchContext context, RutaStream stream) { |
| RutaBlock parent = context.getParent(); |
| RutaEnvironment environment = parent.getEnvironment(); |
| Set<Entry<String, String>> entrySet = definition.entrySet(); |
| int index = 0; |
| for (Entry<String, String> entry : entrySet) { |
| String name = entry.getKey(); |
| String type = entry.getValue(); |
| IRutaExpression expression = arguments.get(index); |
| if (!vars.contains(name)) { |
| environment.addVariable(name, type); |
| stream.assignVariable(name, expression, context); |
| } else { |
| String var = environment.getVariableNameOfExpression(expression); |
| environment.addAliasVariable(name, var); |
| } |
| index++; |
| } |
| } |
| |
| private void cleanupEnvironment(MatchContext context, RutaStream stream) { |
| RutaBlock parent = context.getParent(); |
| RutaEnvironment environment = parent.getEnvironment(); |
| Set<Entry<String, String>> entrySet = definition.entrySet(); |
| for (Entry<String, String> entry : entrySet) { |
| String name = entry.getKey(); |
| if (!vars.contains(name)) { |
| environment.removeVariable(name); |
| } else { |
| environment.removeAliasVariable(name); |
| } |
| } |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public Map<String, String> getDefinition() { |
| return definition; |
| } |
| |
| public List<AbstractRutaCondition> getActions() { |
| return conditions; |
| } |
| |
| public List<IRutaExpression> getArguments() { |
| return arguments; |
| } |
| |
| } |