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/*
* Copyright 2017, OpenCensus 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 io.opencensus.implcore.stats;
import com.google.common.collect.Sets;
import io.opencensus.stats.View;
import io.opencensus.stats.View.AggregationWindow;
import io.opencensus.stats.ViewData;
import io.opencensus.stats.ViewManager;
import java.util.Collections;
import java.util.Set;
import javax.annotation.Nullable;
/** Implementation of {@link ViewManager}. */
public final class ViewManagerImpl extends ViewManager {
private final StatsManager statsManager;
ViewManagerImpl(StatsManager statsManager) {
this.statsManager = statsManager;
}
@Override
public void registerView(View view) {
statsManager.registerView(view);
}
@Override
@Nullable
public ViewData getView(View.Name viewName) {
return statsManager.getView(viewName);
}
@Override
public Set<View> getAllExportedViews() {
Set<View> exportedViews = Sets.newHashSet();
for (View view : statsManager.getAllViews()) {
if (view.getWindow() instanceof AggregationWindow.Cumulative) {
exportedViews.add(view);
}
}
return Collections.unmodifiableSet(exportedViews);
}
void clearStats() {
statsManager.clearStats();
}
void resumeStatsCollection() {
statsManager.resumeStatsCollection();
}
}
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