Package org.apache.nifi.processors

Class QueryIoTDBRecord

java.lang.Object

org.apache.nifi.components.AbstractConfigurableComponent

org.apache.nifi.processor.AbstractSessionFactoryProcessor

org.apache.nifi.processor.AbstractProcessor

org.apache.nifi.processors.AbstractIoTDB

org.apache.nifi.processors.QueryIoTDBRecord

All Implemented Interfaces:

org.apache.nifi.components.ConfigurableComponent, org.apache.nifi.processor.Processor

@SupportsBatching
@Tags({"IoT","Timeseries"})
@InputRequirement(INPUT_REQUIRED)
@CapabilityDescription("Query Apache IoTDB and write results as Records")
@WritesAttribute(attribute="iotdb.error.message",description="Error message written on query failures") @WritesAttribute(attribute="mime.type",description="Content Type based on configured Record Set Writer")
public class QueryIoTDBRecord
extends AbstractIoTDB

Field Summary

Fields

Modifier and Type	Field	Description
static final org.apache.nifi.components.PropertyDescriptor	FETCH_SIZE
static final String	IOTDB_ERROR_MESSAGE
static final String	MIME_TYPE
static final org.apache.nifi.components.PropertyDescriptor	QUERY
static final org.apache.nifi.components.PropertyDescriptor	RECORD_WRITER_FACTORY

Fields inherited from class org.apache.nifi.processors.AbstractIoTDB

IOTDB_HOST, IOTDB_PORT, mapper, PASSWORD, REL_FAILURE, REL_SUCCESS, session, supportedType, USERNAME

Constructor Summary

Constructors

Constructor	Description
QueryIoTDBRecord()

Method Summary

Modifier and Type	Method	Description
private Record	getRecord(RecordSchema schema, org.apache.tsfile.read.common.RowRecord rowRecord)
private RecordSchema	getRecordSchema(org.apache.iotdb.isession.SessionDataSet sessionDataSet)
final List<org.apache.nifi.components.PropertyDescriptor>	getSupportedPropertyDescriptors()
void	onTrigger(org.apache.nifi.processor.ProcessContext context, org.apache.nifi.processor.ProcessSession session)

Methods inherited from class org.apache.nifi.processors.AbstractIoTDB

convertSchema, convertType, generateTablets, getRelationships, getType, getType, onScheduled, parseSchema, stop, validateSchema, validateSchemaAttribute

Methods inherited from class org.apache.nifi.processor.AbstractProcessor

onTrigger

Methods inherited from class org.apache.nifi.processor.AbstractSessionFactoryProcessor

getControllerServiceLookup, getIdentifier, getLogger, getNodeTypeProvider, init, initialize, isConfigurationRestored, isScheduled, toString, updateConfiguredRestoredTrue, updateScheduledFalse, updateScheduledTrue

Methods inherited from class org.apache.nifi.components.AbstractConfigurableComponent

customValidate, equals, getPropertyDescriptor, getPropertyDescriptors, getSupportedDynamicPropertyDescriptor, hashCode, onPropertyModified, validate

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface org.apache.nifi.components.ConfigurableComponent

getPropertyDescriptor, getPropertyDescriptors, onPropertyModified, validate

Methods inherited from interface org.apache.nifi.processor.Processor

isStateful, migrateProperties, migrateRelationships

Field Details

QUERY

public static final org.apache.nifi.components.PropertyDescriptor QUERY

FETCH_SIZE

public static final org.apache.nifi.components.PropertyDescriptor FETCH_SIZE

RECORD_WRITER_FACTORY

public static final org.apache.nifi.components.PropertyDescriptor RECORD_WRITER_FACTORY

IOTDB_ERROR_MESSAGE

public static final String IOTDB_ERROR_MESSAGE

See Also:

• Constant Field Values

MIME_TYPE

public static final String MIME_TYPE

See Also:

• Constant Field Values

Constructor Details

QueryIoTDBRecord

public QueryIoTDBRecord()

Method Details

getSupportedPropertyDescriptors

public final List<org.apache.nifi.components.PropertyDescriptor> getSupportedPropertyDescriptors()

Overrides:

getSupportedPropertyDescriptors in class AbstractIoTDB

onTrigger

public void onTrigger(org.apache.nifi.processor.ProcessContext context,
 org.apache.nifi.processor.ProcessSession session)
               throws org.apache.nifi.processor.exception.ProcessException

Specified by:

onTrigger in class org.apache.nifi.processor.AbstractProcessor

Throws:

org.apache.nifi.processor.exception.ProcessException

getRecord

private Record getRecord(RecordSchema schema,
 org.apache.tsfile.read.common.RowRecord rowRecord)

getRecordSchema

private RecordSchema getRecordSchema(org.apache.iotdb.isession.SessionDataSet sessionDataSet)