/*
* 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.generator.impl.cache;
import jetbrains.mps.generator.GenerationStatus;
import jetbrains.mps.generator.cache.CacheGenerator;
import jetbrains.mps.generator.generationTypes.StreamHandler;
import jetbrains.mps.messages.IMessageHandler;
import jetbrains.mps.messages.Message;
import jetbrains.mps.messages.MessageKind;
import jetbrains.mps.util.IStatus;
import jetbrains.mps.util.Pair;
import jetbrains.mps.util.Status;
import jetbrains.mps.util.Status.ERROR;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;
import java.util.ArrayList;
import java.util.List;
/**
* Facility to track cache generators and their respective output location
* @author Artem Tikhomirov
*/
public class CacheGenLayout {
private final List<Pair<StreamHandler, CacheGenerator>> myGenerators;
private final IMessageHandler myMessageHandler;
public CacheGenLayout(@NotNull IMessageHandler messageHandler) {
myMessageHandler = messageHandler;
myGenerators = new ArrayList<Pair<StreamHandler, CacheGenerator>>();
}
public CacheGenLayout register(@NotNull StreamHandler locationHandler, @Nullable CacheGenerator cg) {
if (cg != null) {
myGenerators.add(new Pair<StreamHandler, CacheGenerator>(locationHandler, cg));
}
return this;
}
public IStatus serialize(GenerationStatus genStatus) {
boolean errors = false;
for (Pair<StreamHandler, CacheGenerator> p : myGenerators) {
try {
p.o2.generateCache(genStatus, p.o1);
} catch (Throwable t) {
myMessageHandler.handle(new Message(MessageKind.ERROR, t.toString()).setException(t));
errors = true;
}
}
return errors ? new ERROR("Cache serialization failed") : Status.NO_ERRORS;
}
}