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//
// 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 org.apache.couchdb.nouveau.health;
import java.io.IOException;
import java.util.Collections;
import org.apache.couchdb.nouveau.api.DocumentUpdateRequest;
import org.apache.couchdb.nouveau.api.IndexDefinition;
import org.apache.couchdb.nouveau.api.SearchRequest;
import org.apache.couchdb.nouveau.api.SearchResults;
import org.apache.couchdb.nouveau.resources.IndexResource;
import com.codahale.metrics.health.HealthCheck;
public final class IndexHealthCheck extends HealthCheck {
private final IndexResource indexResource;
public IndexHealthCheck(final IndexResource indexResource) {
this.indexResource = indexResource;
}
@Override
protected Result check() throws Exception {
final String name = "___test9";
try {
indexResource.deletePath(name, null);
} catch (IOException e) {
// Ignored, index might not exist yet.
}
indexResource.createIndex(name, new IndexDefinition("standard", null));
try {
final DocumentUpdateRequest documentUpdateRequest =
new DocumentUpdateRequest(1, null, Collections.emptyList());
indexResource.updateDoc(name, "foo", documentUpdateRequest);
final SearchRequest searchRequest = new SearchRequest();
searchRequest.setQuery("_id:foo");
final SearchResults searchResults = indexResource.searchIndex(name, searchRequest);
if (searchResults.getTotalHits() == 1) {
return Result.healthy();
}
} finally {
indexResource.deletePath(name, null);
}
return Result.unhealthy(name);
}
}
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