Reformatting code per Google Code Style all over
This commit is contained in:
Vinoth Chandar
committed by
vinoth chandar
vinoth chandar
parent
5a62480a92
commit
e45679f5e2
@@ -16,19 +16,23 @@
|
||||
|
||||
package com.uber.hoodie.io;
|
||||
|
||||
import com.uber.hoodie.common.model.HoodiePartitionMetadata;
|
||||
import com.uber.hoodie.common.util.ReflectionUtils;
|
||||
import com.uber.hoodie.config.HoodieWriteConfig;
|
||||
import com.uber.hoodie.WriteStatus;
|
||||
import com.uber.hoodie.common.model.HoodiePartitionMetadata;
|
||||
import com.uber.hoodie.common.model.HoodieRecord;
|
||||
import com.uber.hoodie.common.model.HoodieRecordLocation;
|
||||
import com.uber.hoodie.common.model.HoodieRecordPayload;
|
||||
import com.uber.hoodie.common.model.HoodieWriteStat;
|
||||
import com.uber.hoodie.common.util.FSUtils;
|
||||
import com.uber.hoodie.common.util.ReflectionUtils;
|
||||
import com.uber.hoodie.config.HoodieWriteConfig;
|
||||
import com.uber.hoodie.exception.HoodieUpsertException;
|
||||
import com.uber.hoodie.io.storage.HoodieStorageWriter;
|
||||
import com.uber.hoodie.io.storage.HoodieStorageWriterFactory;
|
||||
import com.uber.hoodie.table.HoodieTable;
|
||||
import java.io.IOException;
|
||||
import java.util.HashMap;
|
||||
import java.util.Iterator;
|
||||
import java.util.Optional;
|
||||
import org.apache.avro.generic.GenericRecord;
|
||||
import org.apache.avro.generic.IndexedRecord;
|
||||
import org.apache.hadoop.fs.Path;
|
||||
@@ -36,197 +40,197 @@ import org.apache.log4j.LogManager;
|
||||
import org.apache.log4j.Logger;
|
||||
import org.apache.spark.TaskContext;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.util.HashMap;
|
||||
import java.util.Iterator;
|
||||
import java.util.Optional;
|
||||
|
||||
@SuppressWarnings("Duplicates")
|
||||
public class HoodieMergeHandle<T extends HoodieRecordPayload> extends HoodieIOHandle<T> {
|
||||
private static Logger logger = LogManager.getLogger(HoodieMergeHandle.class);
|
||||
|
||||
private WriteStatus writeStatus;
|
||||
private HashMap<String, HoodieRecord<T>> keyToNewRecords;
|
||||
private HoodieStorageWriter<IndexedRecord> storageWriter;
|
||||
private Path newFilePath;
|
||||
private Path oldFilePath;
|
||||
private long recordsWritten = 0;
|
||||
private long recordsDeleted = 0;
|
||||
private long updatedRecordsWritten = 0;
|
||||
private static Logger logger = LogManager.getLogger(HoodieMergeHandle.class);
|
||||
|
||||
public HoodieMergeHandle(HoodieWriteConfig config,
|
||||
String commitTime,
|
||||
HoodieTable<T> hoodieTable,
|
||||
Iterator<HoodieRecord<T>> recordItr,
|
||||
String fileId) {
|
||||
super(config, commitTime, hoodieTable);
|
||||
init(fileId, recordItr);
|
||||
}
|
||||
private WriteStatus writeStatus;
|
||||
private HashMap<String, HoodieRecord<T>> keyToNewRecords;
|
||||
private HoodieStorageWriter<IndexedRecord> storageWriter;
|
||||
private Path newFilePath;
|
||||
private Path oldFilePath;
|
||||
private long recordsWritten = 0;
|
||||
private long recordsDeleted = 0;
|
||||
private long updatedRecordsWritten = 0;
|
||||
|
||||
/**
|
||||
* Load the new incoming records in a map, and extract the old file path.
|
||||
*/
|
||||
private void init(String fileId, Iterator<HoodieRecord<T>> newRecordsItr) {
|
||||
WriteStatus writeStatus = ReflectionUtils.loadClass(config.getWriteStatusClassName());
|
||||
writeStatus.setStat(new HoodieWriteStat());
|
||||
this.writeStatus = writeStatus;
|
||||
this.keyToNewRecords = new HashMap<>();
|
||||
public HoodieMergeHandle(HoodieWriteConfig config,
|
||||
String commitTime,
|
||||
HoodieTable<T> hoodieTable,
|
||||
Iterator<HoodieRecord<T>> recordItr,
|
||||
String fileId) {
|
||||
super(config, commitTime, hoodieTable);
|
||||
init(fileId, recordItr);
|
||||
}
|
||||
|
||||
try {
|
||||
// Load the new records in a map
|
||||
while (newRecordsItr.hasNext()) {
|
||||
HoodieRecord<T> record = newRecordsItr.next();
|
||||
// If the first record, we need to extract some info out
|
||||
if (oldFilePath == null) {
|
||||
String latestValidFilePath = fileSystemView
|
||||
.getLatestDataFiles(record.getPartitionPath())
|
||||
.filter(dataFile -> dataFile.getFileId().equals(fileId))
|
||||
.findFirst()
|
||||
.get().getFileName();
|
||||
writeStatus.getStat().setPrevCommit(FSUtils.getCommitTime(latestValidFilePath));
|
||||
/**
|
||||
* Load the new incoming records in a map, and extract the old file path.
|
||||
*/
|
||||
private void init(String fileId, Iterator<HoodieRecord<T>> newRecordsItr) {
|
||||
WriteStatus writeStatus = ReflectionUtils.loadClass(config.getWriteStatusClassName());
|
||||
writeStatus.setStat(new HoodieWriteStat());
|
||||
this.writeStatus = writeStatus;
|
||||
this.keyToNewRecords = new HashMap<>();
|
||||
|
||||
HoodiePartitionMetadata partitionMetadata = new HoodiePartitionMetadata(fs,
|
||||
commitTime,
|
||||
new Path(config.getBasePath()),
|
||||
new Path(config.getBasePath(), record.getPartitionPath()));
|
||||
partitionMetadata.trySave(TaskContext.getPartitionId());
|
||||
try {
|
||||
// Load the new records in a map
|
||||
while (newRecordsItr.hasNext()) {
|
||||
HoodieRecord<T> record = newRecordsItr.next();
|
||||
// If the first record, we need to extract some info out
|
||||
if (oldFilePath == null) {
|
||||
String latestValidFilePath = fileSystemView
|
||||
.getLatestDataFiles(record.getPartitionPath())
|
||||
.filter(dataFile -> dataFile.getFileId().equals(fileId))
|
||||
.findFirst()
|
||||
.get().getFileName();
|
||||
writeStatus.getStat().setPrevCommit(FSUtils.getCommitTime(latestValidFilePath));
|
||||
|
||||
oldFilePath = new Path(
|
||||
config.getBasePath() + "/" + record.getPartitionPath() + "/"
|
||||
+ latestValidFilePath);
|
||||
String relativePath = new Path( record.getPartitionPath() + "/" + FSUtils
|
||||
.makeDataFileName(commitTime, TaskContext.getPartitionId(), fileId)).toString();
|
||||
newFilePath = new Path(config.getBasePath(), relativePath);
|
||||
HoodiePartitionMetadata partitionMetadata = new HoodiePartitionMetadata(fs,
|
||||
commitTime,
|
||||
new Path(config.getBasePath()),
|
||||
new Path(config.getBasePath(), record.getPartitionPath()));
|
||||
partitionMetadata.trySave(TaskContext.getPartitionId());
|
||||
|
||||
// handle cases of partial failures, for update task
|
||||
if (fs.exists(newFilePath)) {
|
||||
fs.delete(newFilePath, false);
|
||||
}
|
||||
oldFilePath = new Path(
|
||||
config.getBasePath() + "/" + record.getPartitionPath() + "/"
|
||||
+ latestValidFilePath);
|
||||
String relativePath = new Path(record.getPartitionPath() + "/" + FSUtils
|
||||
.makeDataFileName(commitTime, TaskContext.getPartitionId(), fileId)).toString();
|
||||
newFilePath = new Path(config.getBasePath(), relativePath);
|
||||
|
||||
logger.info(String.format("Merging new data into oldPath %s, as newPath %s",
|
||||
oldFilePath.toString(), newFilePath.toString()));
|
||||
// file name is same for all records, in this bunch
|
||||
writeStatus.setFileId(fileId);
|
||||
writeStatus.setPartitionPath(record.getPartitionPath());
|
||||
writeStatus.getStat().setFileId(fileId);
|
||||
writeStatus.getStat().setPath(relativePath);
|
||||
}
|
||||
keyToNewRecords.put(record.getRecordKey(), record);
|
||||
// update the new location of the record, so we know where to find it next
|
||||
record.setNewLocation(new HoodieRecordLocation(commitTime, fileId));
|
||||
}
|
||||
// Create the writer for writing the new version file
|
||||
storageWriter = HoodieStorageWriterFactory
|
||||
.getStorageWriter(commitTime, newFilePath, hoodieTable, config, schema);
|
||||
// handle cases of partial failures, for update task
|
||||
if (fs.exists(newFilePath)) {
|
||||
fs.delete(newFilePath, false);
|
||||
}
|
||||
|
||||
} catch (Exception e) {
|
||||
logger.error("Error in update task at commit " + commitTime, e);
|
||||
writeStatus.setGlobalError(e);
|
||||
throw new HoodieUpsertException(
|
||||
"Failed to initialize HoodieUpdateHandle for FileId: " + fileId + " on commit "
|
||||
+ commitTime + " on path " + hoodieTable.getMetaClient().getBasePath(), e);
|
||||
logger.info(String.format("Merging new data into oldPath %s, as newPath %s",
|
||||
oldFilePath.toString(), newFilePath.toString()));
|
||||
// file name is same for all records, in this bunch
|
||||
writeStatus.setFileId(fileId);
|
||||
writeStatus.setPartitionPath(record.getPartitionPath());
|
||||
writeStatus.getStat().setFileId(fileId);
|
||||
writeStatus.getStat().setPath(relativePath);
|
||||
}
|
||||
keyToNewRecords.put(record.getRecordKey(), record);
|
||||
// update the new location of the record, so we know where to find it next
|
||||
record.setNewLocation(new HoodieRecordLocation(commitTime, fileId));
|
||||
}
|
||||
// Create the writer for writing the new version file
|
||||
storageWriter = HoodieStorageWriterFactory
|
||||
.getStorageWriter(commitTime, newFilePath, hoodieTable, config, schema);
|
||||
|
||||
} catch (Exception e) {
|
||||
logger.error("Error in update task at commit " + commitTime, e);
|
||||
writeStatus.setGlobalError(e);
|
||||
throw new HoodieUpsertException(
|
||||
"Failed to initialize HoodieUpdateHandle for FileId: " + fileId + " on commit "
|
||||
+ commitTime + " on path " + hoodieTable.getMetaClient().getBasePath(), e);
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
private boolean writeUpdateRecord(HoodieRecord<T> hoodieRecord, Optional<IndexedRecord> indexedRecord) {
|
||||
Optional recordMetadata = hoodieRecord.getData().getMetadata();
|
||||
try {
|
||||
if(indexedRecord.isPresent()) {
|
||||
storageWriter.writeAvroWithMetadata(indexedRecord.get(), hoodieRecord);
|
||||
recordsWritten++;
|
||||
updatedRecordsWritten++;
|
||||
} else {
|
||||
recordsDeleted++;
|
||||
}
|
||||
private boolean writeUpdateRecord(HoodieRecord<T> hoodieRecord,
|
||||
Optional<IndexedRecord> indexedRecord) {
|
||||
Optional recordMetadata = hoodieRecord.getData().getMetadata();
|
||||
try {
|
||||
if (indexedRecord.isPresent()) {
|
||||
storageWriter.writeAvroWithMetadata(indexedRecord.get(), hoodieRecord);
|
||||
recordsWritten++;
|
||||
updatedRecordsWritten++;
|
||||
} else {
|
||||
recordsDeleted++;
|
||||
}
|
||||
|
||||
hoodieRecord.deflate();
|
||||
writeStatus.markSuccess(hoodieRecord, recordMetadata);
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
logger.error("Error writing record "+ hoodieRecord, e);
|
||||
writeStatus.markFailure(hoodieRecord, e, recordMetadata);
|
||||
}
|
||||
return false;
|
||||
hoodieRecord.deflate();
|
||||
writeStatus.markSuccess(hoodieRecord, recordMetadata);
|
||||
return true;
|
||||
} catch (Exception e) {
|
||||
logger.error("Error writing record " + hoodieRecord, e);
|
||||
writeStatus.markFailure(hoodieRecord, e, recordMetadata);
|
||||
}
|
||||
return false;
|
||||
}
|
||||
|
||||
/**
|
||||
* Go through an old record. Here if we detect a newer version shows up, we write the new one to the file.
|
||||
*/
|
||||
public void write(GenericRecord oldRecord) {
|
||||
String key = oldRecord.get(HoodieRecord.RECORD_KEY_METADATA_FIELD).toString();
|
||||
HoodieRecord<T> hoodieRecord = keyToNewRecords.get(key);
|
||||
boolean copyOldRecord = true;
|
||||
if (keyToNewRecords.containsKey(key)) {
|
||||
try {
|
||||
Optional<IndexedRecord> combinedAvroRecord = hoodieRecord.getData().combineAndGetUpdateValue(oldRecord, schema);
|
||||
if (writeUpdateRecord(hoodieRecord, combinedAvroRecord)) {
|
||||
/**
|
||||
* Go through an old record. Here if we detect a newer version shows up, we write the new one to
|
||||
* the file.
|
||||
*/
|
||||
public void write(GenericRecord oldRecord) {
|
||||
String key = oldRecord.get(HoodieRecord.RECORD_KEY_METADATA_FIELD).toString();
|
||||
HoodieRecord<T> hoodieRecord = keyToNewRecords.get(key);
|
||||
boolean copyOldRecord = true;
|
||||
if (keyToNewRecords.containsKey(key)) {
|
||||
try {
|
||||
Optional<IndexedRecord> combinedAvroRecord = hoodieRecord.getData()
|
||||
.combineAndGetUpdateValue(oldRecord, schema);
|
||||
if (writeUpdateRecord(hoodieRecord, combinedAvroRecord)) {
|
||||
/* ONLY WHEN
|
||||
* 1) we have an update for this key AND
|
||||
* 2) We are able to successfully write the the combined new value
|
||||
*
|
||||
* We no longer need to copy the old record over.
|
||||
*/
|
||||
copyOldRecord = false;
|
||||
}
|
||||
keyToNewRecords.remove(key);
|
||||
} catch (Exception e) {
|
||||
throw new HoodieUpsertException("Failed to combine/merge new record with old value in storage, for new record {"
|
||||
+ keyToNewRecords.get(key) + "}, old value {" + oldRecord + "}", e);
|
||||
}
|
||||
}
|
||||
|
||||
if (copyOldRecord) {
|
||||
// this should work as it is, since this is an existing record
|
||||
String errMsg = "Failed to merge old record into new file for key " + key + " from old file "
|
||||
+ getOldFilePath() + " to new file " + newFilePath;
|
||||
try {
|
||||
storageWriter.writeAvro(key, oldRecord);
|
||||
} catch (ClassCastException e) {
|
||||
logger.error(
|
||||
"Schema mismatch when rewriting old record " + oldRecord + " from file "
|
||||
+ getOldFilePath() + " to file " + newFilePath + " with schema " + schema
|
||||
.toString(true));
|
||||
throw new HoodieUpsertException(errMsg, e);
|
||||
} catch (IOException e) {
|
||||
logger.error("Failed to merge old record into new file for key " + key + " from old file "
|
||||
+ getOldFilePath() + " to new file " + newFilePath, e);
|
||||
throw new HoodieUpsertException(errMsg, e);
|
||||
}
|
||||
recordsWritten ++;
|
||||
copyOldRecord = false;
|
||||
}
|
||||
keyToNewRecords.remove(key);
|
||||
} catch (Exception e) {
|
||||
throw new HoodieUpsertException(
|
||||
"Failed to combine/merge new record with old value in storage, for new record {"
|
||||
+ keyToNewRecords.get(key) + "}, old value {" + oldRecord + "}", e);
|
||||
}
|
||||
}
|
||||
|
||||
public void close() {
|
||||
try {
|
||||
// write out any pending records (this can happen when inserts are turned into updates)
|
||||
Iterator<String> pendingRecordsItr = keyToNewRecords.keySet().iterator();
|
||||
while (pendingRecordsItr.hasNext()) {
|
||||
String key = pendingRecordsItr.next();
|
||||
HoodieRecord<T> hoodieRecord = keyToNewRecords.get(key);
|
||||
writeUpdateRecord(hoodieRecord, hoodieRecord.getData().getInsertValue(schema));
|
||||
}
|
||||
keyToNewRecords.clear();
|
||||
|
||||
if (storageWriter != null) {
|
||||
storageWriter.close();
|
||||
}
|
||||
|
||||
writeStatus.getStat().setTotalWriteBytes(FSUtils.getFileSize(fs, newFilePath));
|
||||
writeStatus.getStat().setNumWrites(recordsWritten);
|
||||
writeStatus.getStat().setNumDeletes(recordsDeleted);
|
||||
writeStatus.getStat().setNumUpdateWrites(updatedRecordsWritten);
|
||||
writeStatus.getStat().setTotalWriteErrors(writeStatus.getFailedRecords().size());
|
||||
} catch (IOException e) {
|
||||
throw new HoodieUpsertException("Failed to close UpdateHandle", e);
|
||||
}
|
||||
if (copyOldRecord) {
|
||||
// this should work as it is, since this is an existing record
|
||||
String errMsg = "Failed to merge old record into new file for key " + key + " from old file "
|
||||
+ getOldFilePath() + " to new file " + newFilePath;
|
||||
try {
|
||||
storageWriter.writeAvro(key, oldRecord);
|
||||
} catch (ClassCastException e) {
|
||||
logger.error(
|
||||
"Schema mismatch when rewriting old record " + oldRecord + " from file "
|
||||
+ getOldFilePath() + " to file " + newFilePath + " with schema " + schema
|
||||
.toString(true));
|
||||
throw new HoodieUpsertException(errMsg, e);
|
||||
} catch (IOException e) {
|
||||
logger.error("Failed to merge old record into new file for key " + key + " from old file "
|
||||
+ getOldFilePath() + " to new file " + newFilePath, e);
|
||||
throw new HoodieUpsertException(errMsg, e);
|
||||
}
|
||||
recordsWritten++;
|
||||
}
|
||||
}
|
||||
|
||||
public Path getOldFilePath() {
|
||||
return oldFilePath;
|
||||
}
|
||||
public void close() {
|
||||
try {
|
||||
// write out any pending records (this can happen when inserts are turned into updates)
|
||||
Iterator<String> pendingRecordsItr = keyToNewRecords.keySet().iterator();
|
||||
while (pendingRecordsItr.hasNext()) {
|
||||
String key = pendingRecordsItr.next();
|
||||
HoodieRecord<T> hoodieRecord = keyToNewRecords.get(key);
|
||||
writeUpdateRecord(hoodieRecord, hoodieRecord.getData().getInsertValue(schema));
|
||||
}
|
||||
keyToNewRecords.clear();
|
||||
|
||||
public WriteStatus getWriteStatus() {
|
||||
return writeStatus;
|
||||
if (storageWriter != null) {
|
||||
storageWriter.close();
|
||||
}
|
||||
|
||||
writeStatus.getStat().setTotalWriteBytes(FSUtils.getFileSize(fs, newFilePath));
|
||||
writeStatus.getStat().setNumWrites(recordsWritten);
|
||||
writeStatus.getStat().setNumDeletes(recordsDeleted);
|
||||
writeStatus.getStat().setNumUpdateWrites(updatedRecordsWritten);
|
||||
writeStatus.getStat().setTotalWriteErrors(writeStatus.getFailedRecords().size());
|
||||
} catch (IOException e) {
|
||||
throw new HoodieUpsertException("Failed to close UpdateHandle", e);
|
||||
}
|
||||
}
|
||||
|
||||
public Path getOldFilePath() {
|
||||
return oldFilePath;
|
||||
}
|
||||
|
||||
public WriteStatus getWriteStatus() {
|
||||
return writeStatus;
|
||||
}
|
||||
}
|
||||
|
||||
Reference in New Issue
Block a user