本文整理匯總了Java中org.apache.hcatalog.common.HCatConstants類的典型用法代碼示例。如果您正苦於以下問題：Java HCatConstants類的具體用法？Java HCatConstants怎麽用？Java HCatConstants使用的例子？那麽, 這裏精選的類代碼示例或許可以為您提供幫助。
HCatConstants類屬於org.apache.hcatalog.common包，在下文中一共展示了HCatConstants類的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: setup
import org.apache.hcatalog.common.HCatConstants; //導入依賴的package包/類
@Override
protected void setup(Context context)
throws IOException, InterruptedException {
Configuration conf = context.getConfiguration();
String inputJobInfoStr = conf.get(HCatConstants.HCAT_KEY_JOB_INFO);
jobInfo =
(InputJobInfo) HCatUtil.deserialize(inputJobInfoStr);
dataColsSchema = jobInfo.getTableInfo().getDataColumns();
partitionSchema =
jobInfo.getTableInfo().getPartitionColumns();
StringBuilder storerInfoStr = new StringBuilder(1024);
StorerInfo storerInfo = jobInfo.getTableInfo().getStorerInfo();
storerInfoStr.append("HCatalog Storer Info : ")
.append("\n\tHandler = ").append(storerInfo.getStorageHandlerClass())
.append("\n\tInput format class = ").append(storerInfo.getIfClass())
.append("\n\tOutput format class = ").append(storerInfo.getOfClass())
.append("\n\tSerde class = ").append(storerInfo.getSerdeClass());
Properties storerProperties = storerInfo.getProperties();
if (!storerProperties.isEmpty()) {
storerInfoStr.append("\nStorer properties ");
for (Map.Entry<Object, Object> entry : storerProperties.entrySet()) {
String key = (String) entry.getKey();
Object val = entry.getValue();
storerInfoStr.append("\n\t").append(key).append('=').append(val);
}
}
storerInfoStr.append("\n");
LOG.info(storerInfoStr);
hCatFullTableSchema = new HCatSchema(dataColsSchema.getFields());
for (HCatFieldSchema hfs : partitionSchema.getFields()) {
hCatFullTableSchema.append(hfs);
}
fieldCount = hCatFullTableSchema.size();
lobLoader = new LargeObjectLoader(conf,
new Path(jobInfo.getTableInfo().getTableLocation()));
bigDecimalFormatString = conf.getBoolean(
ImportJobBase.PROPERTY_BIGDECIMAL_FORMAT,
ImportJobBase.PROPERTY_BIGDECIMAL_FORMAT_DEFAULT);
debugHCatImportMapper = conf.getBoolean(
SqoopHCatUtilities.DEBUG_HCAT_IMPORT_MAPPER_PROP, false);
IntWritable[] delimChars = DefaultStringifier.loadArray(conf,
SqoopHCatUtilities.HIVE_DELIMITERS_TO_REPLACE_PROP, IntWritable.class);
hiveDelimiters = new DelimiterSet(
(char) delimChars[0].get(), (char) delimChars[1].get(),
(char) delimChars[2].get(), (char) delimChars[3].get(),
delimChars[4].get() == 1 ? true : false);
hiveDelimsReplacement =
conf.get(SqoopHCatUtilities.HIVE_DELIMITERS_REPLACEMENT_PROP);
if (hiveDelimsReplacement == null) {
hiveDelimsReplacement = "";
}
doHiveDelimsReplacement = Boolean.valueOf(conf.get(
SqoopHCatUtilities.HIVE_DELIMITERS_REPLACEMENT_ENABLED_PROP));
IntWritable[] fPos = DefaultStringifier.loadArray(conf,
SqoopHCatUtilities.HCAT_FIELD_POSITIONS_PROP, IntWritable.class);
hCatFieldPositions = new int[fPos.length];
for (int i = 0; i < fPos.length; ++i) {
hCatFieldPositions[i] = fPos[i].get();
}
LOG.debug("Hive delims replacement enabled : " + doHiveDelimsReplacement);
LOG.debug("Hive Delimiters : " + hiveDelimiters.toString());
LOG.debug("Hive delimiters replacement : " + hiveDelimsReplacement);
staticPartitionKey =
conf.get(SqoopHCatUtilities.HCAT_STATIC_PARTITION_KEY_PROP);
LOG.debug("Static partition key used : " + staticPartitionKey);
}
示例2: setup
import org.apache.hcatalog.common.HCatConstants; //導入依賴的package包/類
@Override
protected void setup(Context context)
throws IOException, InterruptedException {
super.setup(context);
Configuration conf = context.getConfiguration();
colTypesJava = DefaultStringifier.load(conf,
SqoopHCatUtilities.HCAT_DB_OUTPUT_COLTYPES_JAVA, MapWritable.class);
colTypesSql = DefaultStringifier.load(conf,
SqoopHCatUtilities.HCAT_DB_OUTPUT_COLTYPES_SQL, MapWritable.class);
// Instantiate a copy of the user's class to hold and parse the record.
String recordClassName = conf.get(
ExportJobBase.SQOOP_EXPORT_TABLE_CLASS_KEY);
if (null == recordClassName) {
throw new IOException("Export table class name ("
+ ExportJobBase.SQOOP_EXPORT_TABLE_CLASS_KEY
+ ") is not set!");
}
debugHCatExportMapper = conf.getBoolean(
SqoopHCatUtilities.DEBUG_HCAT_EXPORT_MAPPER_PROP, false);
try {
Class cls = Class.forName(recordClassName, true,
Thread.currentThread().getContextClassLoader());
sqoopRecord = (SqoopRecord) ReflectionUtils.newInstance(cls, conf);
} catch (ClassNotFoundException cnfe) {
throw new IOException(cnfe);
}
if (null == sqoopRecord) {
throw new IOException("Could not instantiate object of type "
+ recordClassName);
}
String inputJobInfoStr = conf.get(HCatConstants.HCAT_KEY_JOB_INFO);
jobInfo =
(InputJobInfo) HCatUtil.deserialize(inputJobInfoStr);
HCatSchema tableSchema = jobInfo.getTableInfo().getDataColumns();
HCatSchema partitionSchema =
jobInfo.getTableInfo().getPartitionColumns();
hCatFullTableSchema = new HCatSchema(tableSchema.getFields());
for (HCatFieldSchema hfs : partitionSchema.getFields()) {
hCatFullTableSchema.append(hfs);
}
hCatSchemaFields = hCatFullTableSchema.getFields();
}