org.apache.nifi.lookup

Class AbstractCSVLookupService

java.lang.Object

org.apache.nifi.components.AbstractConfigurableComponent

org.apache.nifi.controller.AbstractControllerService

org.apache.nifi.lookup.AbstractCSVLookupService

All Implemented Interfaces:

ConfigurableComponent, ControllerService

Direct Known Subclasses:

CSVRecordLookupService, SimpleCsvFileLookupService

public abstract class AbstractCSVLookupService
extends AbstractControllerService

Field Summary

Fields

Modifier and Type	Field and Description
protected String	charset
static PropertyDescriptor	CHARSET
static PropertyDescriptor	CSV_FILE
static PropertyDescriptor	CSV_FORMAT
protected String	csvFile
protected org.apache.commons.csv.CSVFormat	csvFormat
static AllowableValue	DEFAULT
static PropertyDescriptor	IGNORE_DUPLICATES
protected boolean	ignoreDuplicates
protected static String	KEY
protected ReentrantLock	lock
static PropertyDescriptor	LOOKUP_KEY_COLUMN
protected String	lookupKeyColumn
protected List<PropertyDescriptor>	properties
static AllowableValue	RFC4180
protected SynchronousFileWatcher	watcher

Constructor Summary

Constructors

Constructor and Description
AbstractCSVLookupService()

Method Summary

Modifier and Type	Method and Description
protected List<PropertyDescriptor>	getSupportedPropertyDescriptors()
protected void	init(ControllerServiceInitializationContext context)
protected abstract void	loadCache()
void	onEnabled(ConfigurationContext context)

Methods inherited from class org.apache.nifi.controller.AbstractControllerService

abstractClearConfigContext, abstractStoreConfigContext, disabled, enabled, getConfigurationContext, getControllerServiceLookup, getIdentifier, getLogger, getNodeTypeProvider, getProperty, getStateManager, initialize, isEnabled

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

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.apache.nifi.controller.ControllerService

isStateful

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

getPropertyDescriptor, getPropertyDescriptors, onPropertyModified, validate

Field Detail

KEY

protected static final String KEY

See Also:

Constant Field Values

RFC4180

public static final AllowableValue RFC4180

DEFAULT

public static final AllowableValue DEFAULT

CSV_FILE

public static final PropertyDescriptor CSV_FILE

CHARSET

public static final PropertyDescriptor CHARSET

CSV_FORMAT

public static final PropertyDescriptor CSV_FORMAT

LOOKUP_KEY_COLUMN

public static final PropertyDescriptor LOOKUP_KEY_COLUMN

IGNORE_DUPLICATES

public static final PropertyDescriptor IGNORE_DUPLICATES

properties

protected List<PropertyDescriptor> properties

csvFile

protected volatile String csvFile

csvFormat

protected volatile org.apache.commons.csv.CSVFormat csvFormat

charset

protected volatile String charset

lookupKeyColumn

protected volatile String lookupKeyColumn

ignoreDuplicates

protected volatile boolean ignoreDuplicates

watcher

protected volatile SynchronousFileWatcher watcher

lock

protected final ReentrantLock lock

Constructor Detail

AbstractCSVLookupService

public AbstractCSVLookupService()

Method Detail

loadCache

protected abstract void loadCache()
                           throws IllegalStateException,
                                  IOException

Throws:

IllegalStateException

IOException

getSupportedPropertyDescriptors

protected List<PropertyDescriptor> getSupportedPropertyDescriptors()

Overrides:

getSupportedPropertyDescriptors in class AbstractConfigurableComponent

init

protected void init(ControllerServiceInitializationContext context)

Overrides:

init in class AbstractControllerService

onEnabled

public void onEnabled(ConfigurationContext context)
               throws IOException,
                      InitializationException

Throws:

IOException

InitializationException