/*
* Copyright 2003-2016 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.persistence;
import jetbrains.mps.components.CoreComponent;
import jetbrains.mps.extapi.persistence.ModelFactoryService;
import jetbrains.mps.project.MPSExtentions;
import jetbrains.mps.project.ModuleId;
import jetbrains.mps.project.structure.modules.ModuleReference;
import jetbrains.mps.smodel.SModelId.ForeignSModelId;
import jetbrains.mps.smodel.SModelId.IntegerSModelId;
import jetbrains.mps.smodel.SModelId.RegularSModelId;
import jetbrains.mps.smodel.SModelId.RelativePathSModelId;
import jetbrains.mps.smodel.SNodePointer;
import jetbrains.mps.util.annotation.ToRemove;
import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.mps.openapi.model.SModelId;
import org.jetbrains.mps.openapi.model.SModelReference;
import org.jetbrains.mps.openapi.model.SNodeId;
import org.jetbrains.mps.openapi.model.SNodeReference;
import org.jetbrains.mps.openapi.module.SModuleId;
import org.jetbrains.mps.openapi.module.SModuleReference;
import org.jetbrains.mps.openapi.persistence.FindUsagesParticipant;
import org.jetbrains.mps.openapi.persistence.ModelFactory;
import org.jetbrains.mps.openapi.persistence.ModelRoot;
import org.jetbrains.mps.openapi.persistence.ModelRootFactory;
import org.jetbrains.mps.openapi.persistence.NavigationParticipant;
import org.jetbrains.mps.openapi.persistence.SModelIdFactory;
import org.jetbrains.mps.openapi.persistence.SNodeIdFactory;
import org.jetbrains.mps.openapi.persistence.datasource.DataSourceType;
import org.jetbrains.mps.openapi.persistence.datasource.FileExtensionDataSourceType;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Objects;
import java.util.Set;
import java.util.concurrent.ConcurrentHashMap;
import java.util.stream.Collectors;
/**
* evgeny, 10/23/12
*/
public class PersistenceRegistry extends org.jetbrains.mps.openapi.persistence.PersistenceFacade implements CoreComponent {
private static final Logger LOG = LogManager.getLogger(PersistenceRegistry.class);
public static final String DEFAULT_MODEL_ROOT = "default";
public static final String OBSOLETE_MODEL_ROOT = "obsolete";
public static final String JAVA_CLASSES_ROOT = "java_classes";
private final ModelFactoryService MODEL_FACTORY_SERVICE = ModelFactoryService.getInstance();
@ToRemove(version = 181) private final Map<String, ModelFactory> myLegacyFileExt2ModelFactoryMap = new ConcurrentHashMap<>();
private final Map<String, ModelRootFactory> myRootFactories = new HashMap<String, ModelRootFactory>();
private final Map<String, SModelIdFactory> myModelIdFactory = new HashMap<String, SModelIdFactory>();
private final Map<String, SNodeIdFactory> myNodeIdFactory = new HashMap<String, SNodeIdFactory>();
private final Set<FindUsagesParticipant> myFindUsagesParticipants = new LinkedHashSet<FindUsagesParticipant>();
private final Set<NavigationParticipant> myNavigationParticipants = new LinkedHashSet<NavigationParticipant>();
private boolean isDisabled = false;
public static PersistenceRegistry getInstance() {
return (PersistenceRegistry) INSTANCE;
}
@Override
public ModelRootFactory getModelRootFactory(String type) {
if (type == null || type.length() == 0) {
throw new IllegalArgumentException("type");
}
return myRootFactories.get(type);
}
@Override
public void setModelRootFactory(String type, ModelRootFactory factory) {
if (factory == null) {
myRootFactories.remove(type);
} else {
myRootFactories.put(type, factory);
}
}
@Deprecated
@Override
public ModelFactory getModelFactory(String extension) {
if (myLegacyFileExt2ModelFactoryMap.containsKey(extension)) {
return myLegacyFileExt2ModelFactoryMap.get(extension);
}
return MODEL_FACTORY_SERVICE.getDefaultModelFactory(FileExtensionDataSourceType.of(extension));
}
@Deprecated
@Override
public ModelFactory getDefaultModelFactory() {
String defaultExt = MPSExtentions.MODEL;
return getModelFactory(defaultExt);
}
@Deprecated
@Override
public void setModelFactory(String extension, ModelFactory factory) {
if (factory == null) {
FileExtensionDataSourceType type = FileExtensionDataSourceType.of(extension);
MODEL_FACTORY_SERVICE.getModelFactories(type).forEach(MODEL_FACTORY_SERVICE::unregister);
} else {
myLegacyFileExt2ModelFactoryMap.put(extension, factory);
if (!Objects.equals(factory.getFileExtension(), extension)) {
LOG.error("The model factory '" + factory + "' is trying to register using the legacy mechanism via PersistenceFacade.\n" +
"The declared file extension '" + factory.getFileExtension() + "' is not equal to the passed '" + extension + "'\n" +
"Please fix this.", new Throwable());
return;
}
MODEL_FACTORY_SERVICE.register(factory);
}
}
@Deprecated
@Override
public Set<String> getModelFactoryExtensions() {
Set<String> result = new HashSet<>(myLegacyFileExt2ModelFactoryMap.keySet());
for (ModelFactory modelFactory : MODEL_FACTORY_SERVICE.getFactories()) {
List<DataSourceType> preferredDataSourceTypes = new ArrayList<>(modelFactory.getPreferredDataSourceTypes());
result.addAll(preferredDataSourceTypes.stream()
.filter(dataSourceType -> dataSourceType instanceof FileExtensionDataSourceType)
.map(dataSourceType -> ((FileExtensionDataSourceType) dataSourceType).getFileExtension())
.collect(Collectors.toList()));
}
return Collections.unmodifiableSet(result);
}
@NotNull
@Override
public SModuleId createModuleId(@NotNull String text) {
return ModuleId.fromString(text);
}
@NotNull
@Override
public String asString(@NotNull SModuleId moduleId) {
return moduleId.toString();
}
@Override
public String asString(@NotNull SModuleReference reference) {
return reference.toString();
}
@Override
public SModuleReference createModuleReference(@NotNull String text) {
return ModuleReference.parseReference(text);
}
@Override
public SModuleReference createModuleReference(@NotNull SModuleId moduleId, String moduleName) {
return new ModuleReference(moduleName, moduleId);
}
@Override
public SModelId createModelId(String text) {
int colon = text.indexOf(':');
if (colon == -1) {
throw new IllegalArgumentException(String.format("No model id factory designator (':') in %s", text));
}
final String factoryDesignator = text.substring(0, colon);
SModelIdFactory factory = myModelIdFactory.get(factoryDesignator);
if (factory == null) {
throw new IllegalArgumentException(String.format("Unknown model id factory '%s' in %s", factoryDesignator, text));
}
return factory.create(text.substring(colon + 1));
}
@Override
public String asString(@NotNull SModelId modelId) {
// FIXME In fact, shall delegate to proper SModelIdFactory. toString here is just the first step in transition - once all code out there
// stops using SModelId.toString() for persistence and switch to PersistenceFacade.asString, this implementation shall change and delegate to factory.
return modelId.toString();
}
@Override
public SModelReference createModelReference(String text) {
if (text == null) {
throw new IllegalArgumentException();
}
return jetbrains.mps.smodel.SModelReference.parseReference(text);
}
@Override
public String asString(@NotNull SModelReference modelRef) {
// FIXME once there's no direct uses of SModelReference#toString in persistence code, this might change to produce another format
return modelRef.toString();
}
@Override
public SModelReference createModelReference(SModuleReference module, @NotNull SModelId modelId, @NotNull String modelName) {
return new jetbrains.mps.smodel.SModelReference(module, modelId, modelName);
}
@Override
public void setModelIdFactory(String type, SModelIdFactory factory) {
if (factory == null) {
myModelIdFactory.remove(type);
} else {
myModelIdFactory.put(type, factory);
}
}
@Override
public SNodeId createNodeId(String text) {
if (text.length() == 0) return null;
char c = text.charAt(0);
if (c == '~' || c <= '9' && c >= '0') {
// default id is supported without type+colon prefix
return jetbrains.mps.smodel.SNodeId.fromString(text);
}
int colon = text.indexOf(':');
if (colon == -1) {
throw new IllegalArgumentException();
}
SNodeIdFactory factory = myNodeIdFactory.get(text.substring(0, colon));
if (factory == null) {
return null;
}
return factory.create(text.substring(colon + 1));
}
@NotNull
@Override
public String asString(@NotNull SNodeReference nodeRef) {
return SNodePointer.serialize(nodeRef);
}
@Override
public SNodeReference createNodeReference(String text) {
return SNodePointer.deserialize(text);
}
@Override
public void setNodeIdFactory(String type, SNodeIdFactory factory) {
if (factory == null) {
myNodeIdFactory.remove(type);
} else {
myNodeIdFactory.put(type, factory);
}
}
@Override
public Iterable<String> getTypeIds() {
return Collections.unmodifiableCollection(myRootFactories.keySet());
}
@Override
public void addFindUsagesParticipant(FindUsagesParticipant participant) {
myFindUsagesParticipants.add(participant);
}
@Override
public void removeFindUsagesParticipant(FindUsagesParticipant participant) {
myFindUsagesParticipants.remove(participant);
}
@Override
public Set<FindUsagesParticipant> getFindUsagesParticipants() {
return isDisabled ? Collections.<FindUsagesParticipant>emptySet() : Collections.unmodifiableSet(myFindUsagesParticipants);
}
public boolean isFastSearch() {
return !isDisabled;
}
@Override
public void addNavigationParticipant(NavigationParticipant participant) {
myNavigationParticipants.add(participant);
}
@Override
public void removeNavigationParticipant(NavigationParticipant participant) {
myNavigationParticipants.remove(participant);
}
@Override
public Set<NavigationParticipant> getNavigationParticipants() {
return myNavigationParticipants;
}
@Override
public void init() {
if (INSTANCE != null) {
throw new IllegalStateException("double initialization");
}
INSTANCE = this;
setModelRootFactory(DEFAULT_MODEL_ROOT, new DefaultModelRootFactory());
setNodeIdFactory(jetbrains.mps.smodel.SNodeId.TYPE, jetbrains.mps.smodel.SNodeId::fromString);
setModelIdFactory(RegularSModelId.TYPE, jetbrains.mps.smodel.SModelId::regular);
setModelIdFactory(ForeignSModelId.TYPE, jetbrains.mps.smodel.SModelId::foreign);
setModelIdFactory(RelativePathSModelId.TYPE, RelativePathSModelId::new);
setModelIdFactory(IntegerSModelId.TYPE, IntegerSModelId::parse);
}
@Override
public void dispose() {
INSTANCE = null;
}
public void disableFastFindUsages() {
isDisabled = true;
}
public void enableFastFindUsages() {
isDisabled = false;
}
private static class DefaultModelRootFactory implements ModelRootFactory {
@NotNull
@Override
public ModelRoot create() {
return new DefaultModelRoot();
}
}
}