org.apache.hadoop.fs.s3a.Statistic Maven / Gradle / Ivy
/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.hadoop.fs.s3a;
import java.util.HashMap;
import java.util.Map;
import org.apache.hadoop.classification.InterfaceStability;
import org.apache.hadoop.fs.s3a.statistics.StatisticTypeEnum;
import org.apache.hadoop.fs.statistics.StoreStatisticNames;
import org.apache.hadoop.fs.statistics.StreamStatisticNames;
import static org.apache.hadoop.fs.s3a.statistics.StatisticTypeEnum.TYPE_COUNTER;
import static org.apache.hadoop.fs.s3a.statistics.StatisticTypeEnum.TYPE_DURATION;
import static org.apache.hadoop.fs.s3a.statistics.StatisticTypeEnum.TYPE_GAUGE;
import static org.apache.hadoop.fs.s3a.statistics.StatisticTypeEnum.TYPE_QUANTILE;
/**
* Statistic which are collected in S3A.
* Counter and duration statistics are published in
* {@link S3AFileSystem#getStorageStatistics()}.
* and as metrics in {@link S3AInstrumentation}.
*
* Where possible, stream names come from {@link StreamStatisticNames}
* and {@link StoreStatisticNames}
*
*/
@InterfaceStability.Unstable
public enum Statistic {
/* Low-level duration counters */
ACTION_EXECUTOR_ACQUIRED(
StoreStatisticNames.ACTION_EXECUTOR_ACQUIRED,
"Executor acquired.",
TYPE_DURATION),
ACTION_HTTP_HEAD_REQUEST(
StoreStatisticNames.ACTION_HTTP_HEAD_REQUEST,
"HEAD request.",
TYPE_DURATION),
ACTION_HTTP_GET_REQUEST(
StoreStatisticNames.ACTION_HTTP_GET_REQUEST,
"GET request.",
TYPE_DURATION),
/* FileSystem Level statistics */
DIRECTORIES_CREATED("directories_created",
"Total number of directories created through the object store.",
TYPE_COUNTER),
DIRECTORIES_DELETED("directories_deleted",
"Total number of directories deleted through the object store.",
TYPE_COUNTER),
FILES_COPIED("files_copied",
"Total number of files copied within the object store.",
TYPE_COUNTER),
FILES_COPIED_BYTES("files_copied_bytes",
"Total number of bytes copied within the object store.",
TYPE_COUNTER),
FILES_CREATED("files_created",
"Total number of files created through the object store.",
TYPE_COUNTER),
FILES_DELETED("files_deleted",
"Total number of files deleted from the object store.",
TYPE_COUNTER),
FILES_DELETE_REJECTED("files_delete_rejected",
"Total number of files whose delete request was rejected",
TYPE_COUNTER),
FAKE_DIRECTORIES_CREATED("fake_directories_created",
"Total number of fake directory entries created in the object store.",
TYPE_COUNTER),
FAKE_DIRECTORIES_DELETED("fake_directories_deleted",
"Total number of fake directory deletes submitted to object store.",
TYPE_COUNTER),
IGNORED_ERRORS("ignored_errors", "Errors caught and ignored",
TYPE_COUNTER),
INVOCATION_ABORT(
StoreStatisticNames.OP_ABORT,
"Calls of abort()",
TYPE_DURATION),
INVOCATION_COPY_FROM_LOCAL_FILE(
StoreStatisticNames.OP_COPY_FROM_LOCAL_FILE,
"Calls of copyFromLocalFile()",
TYPE_COUNTER),
INVOCATION_CREATE(
StoreStatisticNames.OP_CREATE,
"Calls of create()",
TYPE_COUNTER),
INVOCATION_CREATE_NON_RECURSIVE(
StoreStatisticNames.OP_CREATE_NON_RECURSIVE,
"Calls of createNonRecursive()",
TYPE_COUNTER),
INVOCATION_DELETE(
StoreStatisticNames.OP_DELETE,
"Calls of delete()",
TYPE_COUNTER),
INVOCATION_EXISTS(
StoreStatisticNames.OP_EXISTS,
"Calls of exists()",
TYPE_COUNTER),
INVOCATION_GET_DELEGATION_TOKEN(
StoreStatisticNames.OP_GET_DELEGATION_TOKEN,
"Calls of getDelegationToken()",
TYPE_COUNTER),
INVOCATION_GET_FILE_CHECKSUM(
StoreStatisticNames.OP_GET_FILE_CHECKSUM,
"Calls of getFileChecksum()",
TYPE_COUNTER),
INVOCATION_GET_FILE_STATUS(
StoreStatisticNames.OP_GET_FILE_STATUS,
"Calls of getFileStatus()",
TYPE_COUNTER),
INVOCATION_GLOB_STATUS(
StoreStatisticNames.OP_GLOB_STATUS,
"Calls of globStatus()",
TYPE_COUNTER),
INVOCATION_IS_DIRECTORY(
StoreStatisticNames.OP_IS_DIRECTORY,
"Calls of isDirectory()",
TYPE_COUNTER),
INVOCATION_IS_FILE(
StoreStatisticNames.OP_IS_FILE,
"Calls of isFile()",
TYPE_COUNTER),
INVOCATION_HFLUSH(
StoreStatisticNames.OP_HFLUSH,
"Calls of hflush()",
TYPE_COUNTER),
INVOCATION_HSYNC(
StoreStatisticNames.OP_HSYNC,
"Calls of hsync()",
TYPE_COUNTER),
INVOCATION_LIST_FILES(
StoreStatisticNames.OP_LIST_FILES,
"Calls of listFiles()",
TYPE_COUNTER),
INVOCATION_LIST_LOCATED_STATUS(
StoreStatisticNames.OP_LIST_LOCATED_STATUS,
"Calls of listLocatedStatus()",
TYPE_COUNTER),
INVOCATION_LIST_STATUS(
StoreStatisticNames.OP_LIST_STATUS,
"Calls of listStatus()",
TYPE_COUNTER),
INVOCATION_MKDIRS(
StoreStatisticNames.OP_MKDIRS,
"Calls of mkdirs()",
TYPE_COUNTER),
INVOCATION_OPEN(
StoreStatisticNames.OP_OPEN,
"Calls of open()",
TYPE_COUNTER),
INVOCATION_RENAME(
StoreStatisticNames.OP_RENAME,
"Calls of rename()",
TYPE_COUNTER),
/* The XAttr API metrics are all durations */
INVOCATION_XATTR_GET_MAP(
StoreStatisticNames.OP_XATTR_GET_MAP,
"Calls of getXAttrs(Path path)",
TYPE_DURATION),
INVOCATION_XATTR_GET_NAMED(
StoreStatisticNames.OP_XATTR_GET_NAMED,
"Calls of getXAttr(Path, String)",
TYPE_DURATION),
INVOCATION_XATTR_GET_NAMED_MAP(
StoreStatisticNames.OP_XATTR_GET_NAMED_MAP,
"Calls of xattr()",
TYPE_DURATION),
INVOCATION_OP_XATTR_LIST(
StoreStatisticNames.OP_XATTR_LIST,
"Calls of getXAttrs(Path path, List names)",
TYPE_DURATION),
/* Object IO */
OBJECT_COPY_REQUESTS(StoreStatisticNames.OBJECT_COPY_REQUESTS,
"Object copy requests",
TYPE_COUNTER),
OBJECT_DELETE_REQUEST(StoreStatisticNames.OBJECT_DELETE_REQUEST,
"Object delete requests",
TYPE_DURATION),
OBJECT_BULK_DELETE_REQUEST(StoreStatisticNames.OBJECT_BULK_DELETE_REQUEST,
"Object bulk delete requests",
TYPE_DURATION),
OBJECT_DELETE_OBJECTS(StoreStatisticNames.OBJECT_DELETE_OBJECTS,
"Objects deleted in delete requests",
TYPE_COUNTER),
OBJECT_LIST_REQUEST(StoreStatisticNames.OBJECT_LIST_REQUEST,
"Count of object listings made",
TYPE_DURATION),
OBJECT_CONTINUE_LIST_REQUESTS(
StoreStatisticNames.OBJECT_CONTINUE_LIST_REQUEST,
"Count of continued object listings made",
TYPE_DURATION),
OBJECT_METADATA_REQUESTS(
StoreStatisticNames.OBJECT_METADATA_REQUESTS,
"Count of requests for object metadata",
TYPE_COUNTER),
OBJECT_MULTIPART_UPLOAD_INITIATED(
StoreStatisticNames.OBJECT_MULTIPART_UPLOAD_INITIATED,
"Object multipart upload initiated",
TYPE_COUNTER),
OBJECT_MULTIPART_UPLOAD_ABORTED(
StoreStatisticNames.OBJECT_MULTIPART_UPLOAD_ABORTED,
"Object multipart upload aborted",
TYPE_COUNTER),
OBJECT_PUT_REQUESTS(
StoreStatisticNames.OBJECT_PUT_REQUEST,
"Object put/multipart upload count",
TYPE_COUNTER),
OBJECT_PUT_REQUESTS_COMPLETED(
StoreStatisticNames.OBJECT_PUT_REQUEST_COMPLETED,
"Object put/multipart upload completed count",
TYPE_COUNTER),
OBJECT_PUT_REQUESTS_ACTIVE(
StoreStatisticNames.OBJECT_PUT_REQUEST_ACTIVE,
"Current number of active put requests",
TYPE_GAUGE),
OBJECT_PUT_BYTES(
StoreStatisticNames.OBJECT_PUT_BYTES,
"number of bytes uploaded",
TYPE_COUNTER),
OBJECT_PUT_BYTES_PENDING(
StoreStatisticNames.OBJECT_PUT_BYTES_PENDING,
"number of bytes queued for upload/being actively uploaded",
TYPE_GAUGE),
OBJECT_SELECT_REQUESTS(
StoreStatisticNames.OBJECT_SELECT_REQUESTS,
"Count of S3 Select requests issued",
TYPE_COUNTER),
STREAM_READ_ABORTED(
StreamStatisticNames.STREAM_READ_ABORTED,
"Count of times the TCP stream was aborted",
TYPE_COUNTER),
/* Stream Reads */
STREAM_READ_BYTES(
StreamStatisticNames.STREAM_READ_BYTES,
"Bytes read from an input stream in read() calls",
TYPE_COUNTER),
STREAM_READ_BYTES_DISCARDED_ABORT(
StreamStatisticNames.STREAM_READ_BYTES_DISCARDED_ABORT,
"Count of bytes discarded by aborting an input stream",
TYPE_COUNTER),
STREAM_READ_BYTES_READ_CLOSE(
StreamStatisticNames.STREAM_READ_BYTES_DISCARDED_CLOSE,
"Count of bytes read and discarded when closing an input stream",
TYPE_COUNTER),
STREAM_READ_CLOSED(
StreamStatisticNames.STREAM_READ_CLOSED,
"Count of times the TCP stream was closed",
TYPE_COUNTER),
STREAM_READ_CLOSE_OPERATIONS(
StreamStatisticNames.STREAM_READ_CLOSE_OPERATIONS,
"Total count of times an attempt to close an input stream was made",
TYPE_COUNTER),
STREAM_READ_EXCEPTIONS(
StreamStatisticNames.STREAM_READ_EXCEPTIONS,
"Count of exceptions raised during input stream reads",
TYPE_COUNTER),
STREAM_READ_FULLY_OPERATIONS(
StreamStatisticNames.STREAM_READ_FULLY_OPERATIONS,
"Count of readFully() operations in an input stream",
TYPE_COUNTER),
STREAM_READ_OPENED(
StreamStatisticNames.STREAM_READ_OPENED,
"Total count of times an input stream to object store data was opened",
TYPE_COUNTER),
STREAM_READ_OPERATIONS(
StreamStatisticNames.STREAM_READ_OPERATIONS,
"Count of read() operations in an input stream",
TYPE_COUNTER),
STREAM_READ_OPERATIONS_INCOMPLETE(
StreamStatisticNames.STREAM_READ_OPERATIONS_INCOMPLETE,
"Count of incomplete read() operations in an input stream",
TYPE_COUNTER),
STREAM_READ_VERSION_MISMATCHES(
StreamStatisticNames.STREAM_READ_VERSION_MISMATCHES,
"Count of version mismatches encountered while reading an input stream",
TYPE_COUNTER),
STREAM_READ_SEEK_BACKWARD_OPERATIONS(
StreamStatisticNames.STREAM_READ_SEEK_BACKWARD_OPERATIONS,
"Count of executed seek operations which went backwards in a stream",
TYPE_COUNTER),
STREAM_READ_SEEK_BYTES_BACKWARDS(
StreamStatisticNames.STREAM_READ_SEEK_BYTES_BACKWARDS,
"Count of bytes moved backwards during seek operations"
+ " in an input stream",
TYPE_COUNTER),
STREAM_READ_SEEK_BYTES_DISCARDED(
StreamStatisticNames.STREAM_READ_SEEK_BYTES_DISCARDED,
"Count of bytes read and discarded during seek() in an input stream",
TYPE_COUNTER),
STREAM_READ_SEEK_BYTES_SKIPPED(
StreamStatisticNames.STREAM_READ_SEEK_BYTES_SKIPPED,
"Count of bytes skipped during forward seek operations"
+ " an input stream",
TYPE_COUNTER),
STREAM_READ_SEEK_FORWARD_OPERATIONS(
StreamStatisticNames.STREAM_READ_SEEK_FORWARD_OPERATIONS,
"Count of executed seek operations which went forward in"
+ " an input stream",
TYPE_COUNTER),
STREAM_READ_SEEK_OPERATIONS(
StreamStatisticNames.STREAM_READ_SEEK_OPERATIONS,
"Count of seek operations in an input stream",
TYPE_COUNTER),
STREAM_READ_SEEK_POLICY_CHANGED(
StreamStatisticNames.STREAM_READ_SEEK_POLICY_CHANGED,
"Count of times the seek policy was dynamically changed"
+ " in an input stream",
TYPE_COUNTER),
STREAM_READ_TOTAL_BYTES(
StreamStatisticNames.STREAM_READ_TOTAL_BYTES,
"Total count of bytes read from an input stream",
TYPE_COUNTER),
/* Stream Write statistics */
STREAM_WRITE_EXCEPTIONS(
StreamStatisticNames.STREAM_WRITE_EXCEPTIONS,
"Count of stream write failures reported",
TYPE_COUNTER),
STREAM_WRITE_EXCEPTIONS_COMPLETING_UPLOADS(
StreamStatisticNames.STREAM_WRITE_EXCEPTIONS_COMPLETING_UPLOADS,
"Count of failures when finalizing a multipart upload",
TYPE_COUNTER),
STREAM_WRITE_BLOCK_UPLOADS(
StreamStatisticNames.STREAM_WRITE_BLOCK_UPLOADS,
"Count of block/partition uploads completed",
TYPE_COUNTER),
STREAM_WRITE_BLOCK_UPLOADS_ACTIVE(
StreamStatisticNames.STREAM_WRITE_BLOCK_UPLOADS_ACTIVE,
"Count of block/partition uploads active",
TYPE_GAUGE),
STREAM_WRITE_BLOCK_UPLOADS_COMMITTED(
StreamStatisticNames.STREAM_WRITE_BLOCK_UPLOADS_COMMITTED,
"Count of number of block uploads committed",
TYPE_COUNTER),
STREAM_WRITE_BLOCK_UPLOADS_ABORTED(
StreamStatisticNames.STREAM_WRITE_BLOCK_UPLOADS_ABORTED,
"Count of number of block uploads aborted",
TYPE_COUNTER),
STREAM_WRITE_BLOCK_UPLOADS_PENDING(
StreamStatisticNames.STREAM_WRITE_BLOCK_UPLOADS_PENDING,
"Gauge of block/partitions uploads queued to be written",
TYPE_GAUGE),
STREAM_WRITE_BLOCK_UPLOADS_BYTES_PENDING(
StreamStatisticNames.STREAM_WRITE_BLOCK_UPLOADS_BYTES_PENDING,
"Gauge of data queued to be written",
TYPE_GAUGE),
STREAM_WRITE_TOTAL_TIME(
StreamStatisticNames.STREAM_WRITE_TOTAL_TIME,
"Count of total time taken for uploads to complete",
TYPE_COUNTER),
STREAM_WRITE_TOTAL_DATA(StreamStatisticNames.STREAM_WRITE_TOTAL_DATA,
"Count of total data uploaded",
TYPE_COUNTER),
STREAM_WRITE_BYTES(
StreamStatisticNames.STREAM_WRITE_BYTES,
"Count of bytes written to output stream"
+ " (including all not yet uploaded)",
TYPE_COUNTER),
STREAM_WRITE_QUEUE_DURATION(
StreamStatisticNames.STREAM_WRITE_QUEUE_DURATION,
"Total queue duration of all block uploads",
TYPE_DURATION),
/* committer stats */
COMMITTER_COMMITS_CREATED(
"committer_commits_created",
"Count of files to commit created",
TYPE_COUNTER),
COMMITTER_COMMITS_COMPLETED(
"committer_commits_completed",
"Count of files committed",
TYPE_COUNTER),
COMMITTER_COMMIT_JOB(
"committer_commit_job",
"Duration Tracking of time to commit an entire job",
TYPE_DURATION),
COMMITTER_JOBS_SUCCEEDED(
"committer_jobs_completed",
"Count of successful jobs",
TYPE_COUNTER),
COMMITTER_JOBS_FAILED(
"committer_jobs_failed",
"Count of failed jobs",
TYPE_COUNTER),
COMMITTER_TASKS_SUCCEEDED(
"committer_tasks_completed",
"Count of successful tasks",
TYPE_COUNTER),
COMMITTER_TASKS_FAILED(
"committer_tasks_failed",
"Count of failed tasks",
TYPE_COUNTER),
COMMITTER_BYTES_COMMITTED(
"committer_bytes_committed",
"Amount of data committed",
TYPE_COUNTER),
COMMITTER_BYTES_UPLOADED(
"committer_bytes_uploaded",
"Count of bytes uploaded duing commit operations",
TYPE_COUNTER),
COMMITTER_COMMITS_FAILED(
"committer_commits"+ StoreStatisticNames.SUFFIX_FAILURES,
"Count of commits failed",
TYPE_COUNTER),
COMMITTER_COMMITS_ABORTED(
"committer_commits_aborted",
"Count of commits aborted",
TYPE_COUNTER),
COMMITTER_COMMITS_REVERTED(
"committer_commits_reverted",
"Count of commits reverted",
TYPE_COUNTER),
COMMITTER_MAGIC_FILES_CREATED(
"committer_magic_files_created",
"Count of files created under 'magic' paths",
TYPE_COUNTER),
COMMITTER_MATERIALIZE_FILE(
"committer_materialize_file",
"Duration Tracking of time to materialize a file in job commit",
TYPE_DURATION),
COMMITTER_STAGE_FILE_UPLOAD(
"committer_stage_file_upload",
"Duration Tracking of files uploaded from a local staging path",
TYPE_DURATION),
/* S3guard stats */
S3GUARD_METADATASTORE_PUT_PATH_REQUEST(
"s3guard_metadatastore_put_path_request",
"S3Guard metadata store put one metadata path request",
TYPE_COUNTER),
S3GUARD_METADATASTORE_PUT_PATH_LATENCY(
"s3guard_metadatastore_put_path_latency",
"S3Guard metadata store put one metadata path latency",
TYPE_QUANTILE),
S3GUARD_METADATASTORE_INITIALIZATION(
"s3guard_metadatastore_initialization",
"S3Guard metadata store initialization times",
TYPE_COUNTER),
S3GUARD_METADATASTORE_RECORD_DELETES(
"s3guard_metadatastore_record_deletes",
"S3Guard metadata store records deleted",
TYPE_COUNTER),
S3GUARD_METADATASTORE_RECORD_READS(
"s3guard_metadatastore_record_reads",
"S3Guard metadata store records read",
TYPE_COUNTER),
S3GUARD_METADATASTORE_RECORD_WRITES(
"s3guard_metadatastore_record_writes",
"S3Guard metadata store records written",
TYPE_COUNTER),
S3GUARD_METADATASTORE_RETRY("s3guard_metadatastore_retry",
"S3Guard metadata store retry events",
TYPE_COUNTER),
S3GUARD_METADATASTORE_THROTTLED("s3guard_metadatastore_throttled",
"S3Guard metadata store throttled events",
TYPE_COUNTER),
S3GUARD_METADATASTORE_THROTTLE_RATE(
"s3guard_metadatastore_throttle_rate",
"S3Guard metadata store throttle rate",
TYPE_QUANTILE),
S3GUARD_METADATASTORE_AUTHORITATIVE_DIRECTORIES_UPDATED(
"s3guard_metadatastore_authoritative_directories_updated",
"S3Guard metadata store authoritative directories updated from S3",
TYPE_COUNTER),
/* General Store operations */
STORE_IO_REQUEST(StoreStatisticNames.STORE_IO_REQUEST,
"requests made of the remote store",
TYPE_COUNTER),
STORE_IO_RETRY(StoreStatisticNames.STORE_IO_RETRY,
"retried requests made of the remote store",
TYPE_COUNTER),
STORE_IO_THROTTLED(
StoreStatisticNames.STORE_IO_THROTTLED,
"Requests throttled and retried",
TYPE_COUNTER),
STORE_IO_THROTTLE_RATE(
StoreStatisticNames.STORE_IO_THROTTLE_RATE,
"Rate of S3 request throttling",
TYPE_QUANTILE),
/*
* Delegation Token Operations.
*/
DELEGATION_TOKENS_ISSUED(
StoreStatisticNames.DELEGATION_TOKENS_ISSUED,
"Count of delegation tokens issued",
TYPE_DURATION),
/* Multipart Upload API */
MULTIPART_UPLOAD_INSTANTIATED(
StoreStatisticNames.MULTIPART_UPLOAD_INSTANTIATED,
"Multipart Uploader Instantiated",
TYPE_COUNTER),
MULTIPART_UPLOAD_PART_PUT(
StoreStatisticNames.MULTIPART_UPLOAD_PART_PUT,
"Multipart Part Put Operation",
TYPE_COUNTER),
MULTIPART_UPLOAD_PART_PUT_BYTES(
StoreStatisticNames.MULTIPART_UPLOAD_PART_PUT_BYTES,
"Multipart Part Put Bytes",
TYPE_COUNTER),
MULTIPART_UPLOAD_ABORTED(
StoreStatisticNames.MULTIPART_UPLOAD_ABORTED,
"Multipart Upload Aborted",
TYPE_COUNTER),
MULTIPART_UPLOAD_ABORT_UNDER_PATH_INVOKED(
StoreStatisticNames.MULTIPART_UPLOAD_ABORT_UNDER_PATH_INVOKED,
"Multipart Upload Abort Unner Path Invoked",
TYPE_COUNTER),
MULTIPART_UPLOAD_COMPLETED(
StoreStatisticNames.MULTIPART_UPLOAD_COMPLETED,
"Multipart Upload Completed",
TYPE_COUNTER),
MULTIPART_UPLOAD_STARTED(
StoreStatisticNames.MULTIPART_UPLOAD_STARTED,
"Multipart Upload Started",
TYPE_COUNTER);
/**
* A map used to support the {@link #fromSymbol(String)} call.
*/
private static final Map SYMBOL_MAP =
new HashMap<>(Statistic.values().length);
static {
for (Statistic stat : values()) {
SYMBOL_MAP.put(stat.getSymbol(), stat);
}
}
/**
* Statistic definition.
* @param symbol name
* @param description description.
* @param type type
*/
Statistic(String symbol, String description, StatisticTypeEnum type) {
this.symbol = symbol;
this.description = description;
this.type = type;
}
/** Statistic name. */
private final String symbol;
/** Statistic description. */
private final String description;
/** Statistic type. */
private final StatisticTypeEnum type;
public String getSymbol() {
return symbol;
}
/**
* Get a statistic from a symbol.
* @param symbol statistic to look up
* @return the value or null.
*/
public static Statistic fromSymbol(String symbol) {
return SYMBOL_MAP.get(symbol);
}
public String getDescription() {
return description;
}
/**
* The string value is simply the symbol.
* This makes this operation very low cost.
* @return the symbol of this statistic.
*/
@Override
public String toString() {
return symbol;
}
/**
* What type is this statistic?
* @return the type.
*/
public StatisticTypeEnum getType() {
return type;
}
}