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// Copyright Yahoo. Licensed under the terms of the Apache 2.0 license. See LICENSE in the project root.
package com.yahoo.vespastat;
import com.yahoo.document.BucketId;
import com.yahoo.documentapi.messagebus.protocol.GetBucketListReply;
import java.io.PrintStream;
import java.util.List;
/**
* The class is responsible for printing bucket information to a printstream.
*
* @author bjorncs
*/
public class BucketStatsPrinter {
private final BucketStatsRetriever retriever;
private final PrintStream out;
public BucketStatsPrinter(
BucketStatsRetriever retriever,
PrintStream out) {
this.retriever = retriever;
this.out = out;
}
public void retrieveAndPrintBucketStats(ClientParameters.SelectionType type, String id, boolean dumpData, String bucketSpace) throws BucketStatsException {
BucketId bucketId = retriever.getBucketIdForType(type, id);
if (type == ClientParameters.SelectionType.GROUP || type == ClientParameters.SelectionType.USER) {
out.printf("Generated 32-bit bucket id: %s\n", bucketId);
}
List<GetBucketListReply.BucketInfo> bucketList = retriever.retrieveBucketList(bucketId, bucketSpace);
printBucketList(bucketList);
if (dumpData) {
for (GetBucketListReply.BucketInfo bucketInfo : bucketList) {
BucketId bucket = bucketInfo.getBucketId();
String bucketStats = retriever.retrieveBucketStats(type, id, bucket, bucketSpace);
printBucketStats(bucket, bucketStats);
}
}
}
private void printBucketList(List<GetBucketListReply.BucketInfo> bucketList) {
if (bucketList.isEmpty()) {
out.println("No actual files were stored for this bucket.");
} else {
out.println("Bucket maps to the following actual files:");
for (GetBucketListReply.BucketInfo bucketInfo : bucketList) {
out.printf("\t%s\n", bucketInfo);
}
}
}
private void printBucketStats(BucketId bucket, String stats) {
out.printf("\nDetails for %s:\n%s", bucket, stats);
}
}
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