/*
* Copyright 2000-2017 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 com.intellij.codeInsight.completion;
import com.intellij.codeInsight.completion.impl.CompletionServiceImpl;
import com.intellij.openapi.progress.ProcessCanceledException;
import com.intellij.openapi.progress.ProgressManager;
public abstract class CompletionThreadingBase implements CompletionThreading {
protected final static ThreadLocal<Boolean> ourIsInBatchUpdate = ThreadLocal.withInitial(() -> Boolean.FALSE);
public static void withBatchUpdate(Runnable runnable) {
if (ourIsInBatchUpdate.get().booleanValue()) {
runnable.run();
return;
}
try {
ourIsInBatchUpdate.set(Boolean.TRUE);
runnable.run();
ProgressManager.checkCanceled();
final CompletionProgressIndicator currentIndicator = CompletionServiceImpl.getCompletionService().getCurrentCompletion();
if(currentIndicator == null) throw new ProcessCanceledException();
CompletionThreadingBase threading = currentIndicator.getCompletionThreading();
assert threading != null;
threading.flushBatchResult(currentIndicator);
} finally {
ourIsInBatchUpdate.set(Boolean.FALSE);
}
}
protected abstract void flushBatchResult(CompletionProgressIndicator indicator);
}