/
InMemoryStorage.java
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/
InMemoryStorage.java
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/**
* Copyright 2015-2016 The OpenZipkin Authors
*
* 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 zipkin.storage;
import java.util.concurrent.Executor;
import static zipkin.storage.StorageAdapters.blockingToAsync;
/**
* Test storage component that keeps all spans in memory, accepting them on the calling thread.
*/
public final class InMemoryStorage implements StorageComponent {
final InMemorySpanStore spanStore = new InMemorySpanStore();
final Executor callingThread = new Executor() {
@Override public void execute(Runnable command) {
command.run();
}
};
final AsyncSpanStore asyncSpanStore = blockingToAsync(spanStore, callingThread);
final AsyncSpanConsumer asyncConsumer = blockingToAsync(spanStore.spanConsumer, callingThread);
@Override public InMemorySpanStore spanStore() {
return spanStore;
}
@Override public AsyncSpanStore asyncSpanStore() {
return asyncSpanStore;
}
public StorageAdapters.SpanConsumer spanConsumer() {
return spanStore.spanConsumer;
}
@Override
public AsyncSpanConsumer asyncSpanConsumer() {
return asyncConsumer;
}
public void clear() {
spanStore.clear();
}
public int acceptedSpanCount() {
return spanStore.acceptedSpanCount;
}
@Override public CheckResult check() {
return CheckResult.OK;
}
@Override public void close() {
}
}