org.apache.nifi.processors.rethinkdb

Class DeleteRethinkDB

java.lang.Object

org.apache.nifi.components.AbstractConfigurableComponent

org.apache.nifi.processor.AbstractSessionFactoryProcessor

org.apache.nifi.processor.AbstractProcessor

org.apache.nifi.processors.rethinkdb.AbstractRethinkDBProcessor

org.apache.nifi.processors.rethinkdb.DeleteRethinkDB

All Implemented Interfaces:

ConfigurableComponent, Processor

@InputRequirement(value=INPUT_REQUIRED)
 @EventDriven
 @Tags(value={"rethinkdb","delete","remove"})
 @CapabilityDescription(value="Processor to remove a JSON document from RethinkDB (https://www.rethinkdb.com/) using the document id.")
 @WritesAttribute(attribute="rethinkdb.error.message",description="RethinkDB error message") @WritesAttribute(attribute="rethinkdb.delete.errors",description="Error count while delete documents") @WritesAttribute(attribute="rethinkdb.delete.deleted",description="Number of documents deleted") @WritesAttribute(attribute="rethinkdb.delete.inserted",description="Number of documents inserted") @WritesAttribute(attribute="rethinkdb.delete.replaced",description="Number of documents replaced") @WritesAttribute(attribute="rethinkdb.delete.skipped",description="Number of documents skipped") @WritesAttribute(attribute="rethinkdb.delete.unchanged",description="Number of documents unchanged since they already existed")
 @SeeAlso(value={PutRethinkDB.class,GetRethinkDB.class})
public class DeleteRethinkDB
extends AbstractRethinkDBProcessor

Field Summary

Fields

Modifier and Type	Field and Description
protected com.google.gson.Gson	gson
private static List<PropertyDescriptor>	propertyDescriptors
private static Set<Relationship>	relationships
static String	RESULT_CHANGES_KEY
static String	RETHINKDB_DELETE_RESULT_DELETED_KEY
static String	RETHINKDB_DELETE_RESULT_ERROR_KEY
static String	RETHINKDB_DELETE_RESULT_INSERTED_KEY
static String	RETHINKDB_DELETE_RESULT_REPLACED_KEY
static String	RETHINKDB_DELETE_RESULT_SKIPPED_KEY
static String	RETHINKDB_DELETE_RESULT_UNCHANGED_KEY
protected static PropertyDescriptor	RETURN_CHANGES
static AllowableValue	RETURN_CHANGES_FALSE
static String	RETURN_CHANGES_OPTION_KEY
static AllowableValue	RETURN_CHANGES_TRUE

Fields inherited from class org.apache.nifi.processors.rethinkdb.AbstractRethinkDBProcessor

CHARSET, databaseName, DB_HOST, DB_NAME, DB_PORT, DOCUMENT_ID_EMPTY_MESSAGE, DURABILITY, DURABILITY_HARD, DURABILITY_OPTION_KEY, DURABILITY_SOFT, hostname, MAX_DOCUMENTS_SIZE, maxDocumentsSize, password, PASSWORD, port, REL_FAILURE, REL_NOT_FOUND, REL_SUCCESS, RESULT_DELETED_KEY, RESULT_ERROR_KEY, RESULT_FIRST_ERROR_KEY, RESULT_GENERATED_KEYS_KEY, RESULT_INSERTED_KEY, RESULT_REPLACED_KEY, RESULT_SKIPPED_KEY, RESULT_UNCHANGED_KEY, RESULT_WARNINGS_KEY, RETHINKDB_DOCUMENT_ID, RETHINKDB_ERROR_MESSAGE, rethinkDbConnection, TABLE_NAME, tableName, username, USERNAME

Constructor Summary

Constructors

Constructor and Description
DeleteRethinkDB()

Method Summary

Modifier and Type	Method and Description
void	close()
protected Map<String,Object>	deleteDocument(String id, String durablity, Boolean returnChanges)
Set<Relationship>	getRelationships()
List<PropertyDescriptor>	getSupportedPropertyDescriptors()
void	onScheduled(ProcessContext context)
void	onTrigger(ProcessContext context, ProcessSession session)
private FlowFile	populateAttributes(ProcessSession session, FlowFile flowFile, Map<String,Object> result)

Methods inherited from class org.apache.nifi.processors.rethinkdb.AbstractRethinkDBProcessor

getRdbTable, getRethinkDB, makeConnection

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

Field Detail

RETURN_CHANGES_TRUE

public static AllowableValue RETURN_CHANGES_TRUE

RETURN_CHANGES_FALSE

public static AllowableValue RETURN_CHANGES_FALSE

RETURN_CHANGES

protected static final PropertyDescriptor RETURN_CHANGES

relationships

private static final Set<Relationship> relationships

propertyDescriptors

private static final List<PropertyDescriptor> propertyDescriptors

RETHINKDB_DELETE_RESULT_ERROR_KEY

public static final String RETHINKDB_DELETE_RESULT_ERROR_KEY

See Also:

Constant Field Values

RETHINKDB_DELETE_RESULT_DELETED_KEY

public static final String RETHINKDB_DELETE_RESULT_DELETED_KEY

See Also:

Constant Field Values

RETHINKDB_DELETE_RESULT_INSERTED_KEY

public static final String RETHINKDB_DELETE_RESULT_INSERTED_KEY

See Also:

Constant Field Values

RETHINKDB_DELETE_RESULT_REPLACED_KEY

public static final String RETHINKDB_DELETE_RESULT_REPLACED_KEY

See Also:

Constant Field Values

RETHINKDB_DELETE_RESULT_SKIPPED_KEY

public static final String RETHINKDB_DELETE_RESULT_SKIPPED_KEY

See Also:

Constant Field Values

RETHINKDB_DELETE_RESULT_UNCHANGED_KEY

public static final String RETHINKDB_DELETE_RESULT_UNCHANGED_KEY

See Also:

Constant Field Values

RESULT_CHANGES_KEY

public static final String RESULT_CHANGES_KEY

See Also:

Constant Field Values

RETURN_CHANGES_OPTION_KEY

public static final String RETURN_CHANGES_OPTION_KEY

See Also:

Constant Field Values

gson

protected com.google.gson.Gson gson

Constructor Detail

DeleteRethinkDB

public DeleteRethinkDB()

Method Detail

getRelationships

public Set<Relationship> getRelationships()

Specified by:

getRelationships in interface Processor

Overrides:

getRelationships in class AbstractSessionFactoryProcessor

getSupportedPropertyDescriptors

public final List<PropertyDescriptor> getSupportedPropertyDescriptors()

Overrides:

getSupportedPropertyDescriptors in class AbstractConfigurableComponent

onScheduled

@OnScheduled
public void onScheduled(ProcessContext context)

Overrides:

onScheduled in class AbstractRethinkDBProcessor

onTrigger

public void onTrigger(ProcessContext context,
                      ProcessSession session)
               throws ProcessException

Specified by:

onTrigger in class AbstractProcessor

Throws:

ProcessException

populateAttributes

private FlowFile populateAttributes(ProcessSession session,
                                    FlowFile flowFile,
                                    Map<String,Object> result)

deleteDocument

protected Map<String,Object> deleteDocument(String id,
                                            String durablity,
                                            Boolean returnChanges)

close

@OnStopped
public void close()

Overrides:

close in class AbstractRethinkDBProcessor