org.apache.nifi.processors.standard

Class AbstractQueryDatabaseTable

java.lang.Object

org.apache.nifi.components.AbstractConfigurableComponent

org.apache.nifi.processor.AbstractSessionFactoryProcessor

org.apache.nifi.processors.standard.AbstractDatabaseFetchProcessor

org.apache.nifi.processors.standard.AbstractQueryDatabaseTable

All Implemented Interfaces:

ConfigurableComponent, Processor

Direct Known Subclasses:

QueryDatabaseTable, QueryDatabaseTableRecord

public abstract class AbstractQueryDatabaseTable
extends AbstractDatabaseFetchProcessor

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	AbstractQueryDatabaseTable.MaxValueResultSetRowCollector

Field Summary

Fields

Modifier and Type	Field and Description
static PropertyDescriptor	FETCH_SIZE
static PropertyDescriptor	INITIAL_LOAD_STRATEGY
static AllowableValue	INITIAL_LOAD_STRATEGY_ALL_ROWS
static AllowableValue	INITIAL_LOAD_STRATEGY_NEW_ROWS
static PropertyDescriptor	MAX_FRAGMENTS
static PropertyDescriptor	MAX_ROWS_PER_FLOW_FILE
static PropertyDescriptor	OUTPUT_BATCH_SIZE
static String	RESULT_ROW_COUNT
static String	RESULT_TABLENAME
static PropertyDescriptor	TRANS_ISOLATION_LEVEL
private static AllowableValue	TRANSACTION_NONE
private static AllowableValue	TRANSACTION_READ_COMMITTED
private static AllowableValue	TRANSACTION_READ_UNCOMMITTED
private static AllowableValue	TRANSACTION_REPEATABLE_READ
private static AllowableValue	TRANSACTION_SERIALIZABLE

Fields inherited from class org.apache.nifi.processors.standard.AbstractDatabaseFetchProcessor

COLUMN_NAMES, columnTypeMap, DB_TYPE, dbAdapters, DBCP_SERVICE, FRAGMENT_COUNT, FRAGMENT_ID, FRAGMENT_INDEX, INITIAL_MAX_VALUE_PROP_START, isDynamicMaxValues, isDynamicTableName, MAX_VALUE_COLUMN_NAMES, maxValueProperties, NAMESPACE_DELIMITER, propDescriptors, QUERY_TIMEOUT, REL_SUCCESS, relationships, setupComplete, SQL_QUERY, TABLE_NAME, WHERE_CLAUSE

Constructor Summary

Constructors

Constructor and Description
AbstractQueryDatabaseTable()

Method Summary

Modifier and Type	Method and Description
protected abstract SqlWriter	configureSqlWriter(ProcessSession session, ProcessContext context)
protected Collection<ValidationResult>	customValidate(ValidationContext validationContext)
protected String	getQuery(DatabaseAdapter dbAdapter, String tableName, String columnNames, List<String> maxValColumnNames, String customWhereClause, Map<String,String> stateMap)
protected String	getQuery(DatabaseAdapter dbAdapter, String tableName, String sqlQuery, String columnNames, List<String> maxValColumnNames, String customWhereClause, Map<String,String> stateMap)
Set<Relationship>	getRelationships()
protected PropertyDescriptor	getSupportedDynamicPropertyDescriptor(String propertyDescriptorName)
protected List<PropertyDescriptor>	getSupportedPropertyDescriptors()
void	onTrigger(ProcessContext context, ProcessSessionFactory sessionFactory)
void	setup(ProcessContext context)
void	stop()

Methods inherited from class org.apache.nifi.processors.standard.AbstractDatabaseFetchProcessor

getDefaultMaxValueProperties, getLiteralByType, getMaxValueFromRow, getStateKey, getWrappedQuery, setup

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

equals, getPropertyDescriptor, getPropertyDescriptors, 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.processor.Processor

isStateful

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

getPropertyDescriptor, getPropertyDescriptors, onPropertyModified, validate

Field Detail

RESULT_TABLENAME

public static final String RESULT_TABLENAME

See Also:

Constant Field Values

RESULT_ROW_COUNT

public static final String RESULT_ROW_COUNT

See Also:

Constant Field Values

TRANSACTION_READ_COMMITTED

private static AllowableValue TRANSACTION_READ_COMMITTED

TRANSACTION_READ_UNCOMMITTED

private static AllowableValue TRANSACTION_READ_UNCOMMITTED

TRANSACTION_REPEATABLE_READ

private static AllowableValue TRANSACTION_REPEATABLE_READ

TRANSACTION_NONE

private static AllowableValue TRANSACTION_NONE

TRANSACTION_SERIALIZABLE

private static AllowableValue TRANSACTION_SERIALIZABLE

FETCH_SIZE

public static final PropertyDescriptor FETCH_SIZE

MAX_ROWS_PER_FLOW_FILE

public static final PropertyDescriptor MAX_ROWS_PER_FLOW_FILE

OUTPUT_BATCH_SIZE

public static final PropertyDescriptor OUTPUT_BATCH_SIZE

MAX_FRAGMENTS

public static final PropertyDescriptor MAX_FRAGMENTS

TRANS_ISOLATION_LEVEL

public static final PropertyDescriptor TRANS_ISOLATION_LEVEL

INITIAL_LOAD_STRATEGY_ALL_ROWS

public static final AllowableValue INITIAL_LOAD_STRATEGY_ALL_ROWS

INITIAL_LOAD_STRATEGY_NEW_ROWS

public static final AllowableValue INITIAL_LOAD_STRATEGY_NEW_ROWS

INITIAL_LOAD_STRATEGY

public static final PropertyDescriptor INITIAL_LOAD_STRATEGY

Constructor Detail

AbstractQueryDatabaseTable

public AbstractQueryDatabaseTable()

Method Detail

getRelationships

public Set<Relationship> getRelationships()

Specified by:

getRelationships in interface Processor

Overrides:

getRelationships in class AbstractSessionFactoryProcessor

getSupportedPropertyDescriptors

protected List<PropertyDescriptor> getSupportedPropertyDescriptors()

Overrides:

getSupportedPropertyDescriptors in class AbstractConfigurableComponent

getSupportedDynamicPropertyDescriptor

protected PropertyDescriptor getSupportedDynamicPropertyDescriptor(String propertyDescriptorName)

Overrides:

getSupportedDynamicPropertyDescriptor in class AbstractConfigurableComponent

customValidate

protected Collection<ValidationResult> customValidate(ValidationContext validationContext)

Overrides:

customValidate in class AbstractDatabaseFetchProcessor

setup

@OnScheduled
public void setup(ProcessContext context)

Overrides:

setup in class AbstractDatabaseFetchProcessor

stop

@OnStopped
public void stop()

onTrigger

public void onTrigger(ProcessContext context,
                      ProcessSessionFactory sessionFactory)
               throws ProcessException

Throws:

ProcessException

getQuery

protected String getQuery(DatabaseAdapter dbAdapter,
                          String tableName,
                          String columnNames,
                          List<String> maxValColumnNames,
                          String customWhereClause,
                          Map<String,String> stateMap)

getQuery

protected String getQuery(DatabaseAdapter dbAdapter,
                          String tableName,
                          String sqlQuery,
                          String columnNames,
                          List<String> maxValColumnNames,
                          String customWhereClause,
                          Map<String,String> stateMap)

configureSqlWriter

protected abstract SqlWriter configureSqlWriter(ProcessSession session,
                                                ProcessContext context)