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GenerationPlan: add tests as regular JUnit tests
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core/generator/source/jetbrains/mps/generator/impl/plan/GenerationPhase.java
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|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| /* | ||
| * Copyright 2003-2014 JetBrains s.r.o. | ||
| * | ||
| * Licensed 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 jetbrains.mps.generator.impl.plan; | ||
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| import jetbrains.mps.generator.runtime.TemplateMappingConfiguration; | ||
| import jetbrains.mps.generator.runtime.TemplateModule; | ||
| import org.jetbrains.annotations.NotNull; | ||
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| import java.util.ArrayList; | ||
| import java.util.Collection; | ||
| import java.util.HashMap; | ||
| import java.util.HashSet; | ||
| import java.util.List; | ||
| import java.util.Map.Entry; | ||
| import java.util.Set; | ||
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| /** | ||
| * Describes set of mapping configurations to apply at consecutive steps. The phase may constitute one or more generation steps. | ||
| * Configurations within single phase have no strict dependency between each other (other than 'strictly together'). | ||
| * @author Artem Tikhomirov | ||
| */ | ||
| class GenerationPhase { | ||
| private final Collection<Group> myPhaseElements; | ||
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| GenerationPhase(@NotNull Collection<Group> groups) { | ||
| myPhaseElements = groups; | ||
| } | ||
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| public List<TemplateMappingConfiguration> getAllElements() { | ||
| return asList(myPhaseElements); | ||
| } | ||
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| public List<Group> getGroups() { | ||
| return new ArrayList<Group>(myPhaseElements); | ||
| } | ||
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| void groupByGenerator() { | ||
| HashMap<TemplateModule, Group> groupByModule = new HashMap<TemplateModule, Group>(); | ||
| HashMap<Group, Set<TemplateModule>> groupsWithFewModules = new HashMap<Group, Set<TemplateModule>>(); | ||
| ArrayList<Group> step = new ArrayList<Group>(); | ||
| for (Group g : myPhaseElements) { | ||
| System.out.println(g); | ||
| final Set<TemplateModule> involvedGenerators = getInvolvedGenerators(g); | ||
| if (involvedGenerators.size() == 1) { | ||
| final TemplateModule generator = involvedGenerators.iterator().next(); | ||
| Group sameModuleGroup = groupByModule.get(generator); | ||
| groupByModule.put(generator, sameModuleGroup == null ? g : sameModuleGroup.union(g)); | ||
| } else { | ||
| groupsWithFewModules.put(g, involvedGenerators); | ||
| } | ||
| } | ||
| System.out.println(); | ||
| // add groups with single generator to a group with MC from few generators, | ||
| // so that g1 (GenA, GenB, GenC) includes g2(GenB), iow no distinct g1 and g2. | ||
| for (Entry<Group, Set<TemplateModule>> e : groupsWithFewModules.entrySet()) { | ||
| Group compositeGroup = e.getKey(); | ||
| for (TemplateModule tm : e.getValue()) { | ||
| if (groupByModule.containsKey(tm)) { | ||
| compositeGroup = compositeGroup.union(groupByModule.remove(tm)); | ||
| } | ||
| } | ||
| step.add(compositeGroup); | ||
| } | ||
| step.addAll(groupByModule.values()); // add those left not in use by any composite group | ||
| } | ||
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| private static List<TemplateMappingConfiguration> asList(Collection<Group> groups) { | ||
| ArrayList<TemplateMappingConfiguration> stepAsList = new ArrayList<TemplateMappingConfiguration>(); | ||
| for (Group g : groups) { | ||
| stepAsList.addAll(g.getElements()); | ||
| } | ||
| PartitioningSolver.sort(stepAsList); | ||
| return stepAsList; | ||
| } | ||
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| private static Set<TemplateModule> getInvolvedGenerators(Group mappings) { | ||
| HashSet<TemplateModule> rv = new HashSet<TemplateModule>(); | ||
| for (TemplateMappingConfiguration tmc : mappings.getElements()) { | ||
| rv.add(tmc.getModel().getModule()); | ||
| } | ||
| return rv; | ||
| } | ||
| } |
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