zipkin2.storage.cassandra.v1.IndexTraceIdByAnnotation Maven / Gradle / Ivy
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/*
* Copyright 2015-2020 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 zipkin2.storage.cassandra.v1;
import com.datastax.oss.driver.api.core.cql.BoundStatementBuilder;
import java.util.concurrent.ThreadLocalRandom;
import static zipkin2.storage.cassandra.v1.CassandraUtil.toByteBuffer;
import static zipkin2.storage.cassandra.v1.IndexTraceId.BUCKET_COUNT;
import static zipkin2.storage.cassandra.v1.Tables.ANNOTATIONS_INDEX;
// QueryRequest.annotations/binaryAnnotations
final class IndexTraceIdByAnnotation extends IndexTraceId.Factory {
IndexTraceIdByAnnotation(CassandraStorage storage, int indexTtl) {
super("INSERT INTO " + ANNOTATIONS_INDEX
+ " (ts, trace_id, annotation, bucket) VALUES (?,?,?,?)",
storage, indexTtl);
}
@Override void bindPartitionKey(BoundStatementBuilder bound, String annotation) {
bound.setBytesUnsafe(2, toByteBuffer(annotation))
.setInt(3, ThreadLocalRandom.current().nextInt(BUCKET_COUNT));
}
}