Package org.apache.nifi.processors.mongodb

Class GetMongo

java.lang.Object

org.apache.nifi.components.AbstractConfigurableComponent

org.apache.nifi.processor.AbstractSessionFactoryProcessor

org.apache.nifi.processor.AbstractProcessor

org.apache.nifi.processors.mongodb.AbstractMongoProcessor

org.apache.nifi.processors.mongodb.AbstractMongoQueryProcessor

org.apache.nifi.processors.mongodb.GetMongo

All Implemented Interfaces:

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

@Tags({"mongodb","read","get"})
@InputRequirement(INPUT_ALLOWED)
@CapabilityDescription("Creates FlowFiles from documents in MongoDB loaded by a user-specified query.")
@WritesAttribute(attribute="mongo.database.name",description="The database where the results came from.") @WritesAttribute(attribute="mongo.collection.name",description="The collection where the results came from.")
public class GetMongo
extends AbstractMongoQueryProcessor

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.nifi.processors.mongodb.AbstractMongoProcessor

AbstractMongoProcessor.UpdateMethod

Field Summary

Fields

Modifier and Type	Field	Description
private org.apache.nifi.logging.ComponentLog	logger
(package private) static final org.apache.nifi.components.AllowableValue	NO_PP
private static final List<org.apache.nifi.components.PropertyDescriptor>	PROPERTY_DESCRIPTORS
private static final Set<org.apache.nifi.processor.Relationship>	RELATIONSHIPS
static final org.apache.nifi.components.PropertyDescriptor	SEND_EMPTY_RESULTS
private boolean	sendEmpty
(package private) static final org.apache.nifi.components.PropertyDescriptor	USE_PRETTY_PRINTING
(package private) static final org.apache.nifi.components.AllowableValue	YES_PP

Fields inherited from class org.apache.nifi.processors.mongodb.AbstractMongoQueryProcessor

BATCH_SIZE, COL_NAME, DB_NAME, LIMIT, PROJECTION, QUERY, REL_FAILURE, REL_ORIGINAL, REL_SUCCESS, RESULTS_PER_FLOWFILE, SORT

Fields inherited from class org.apache.nifi.processors.mongodb.AbstractMongoProcessor

ATTRIBUTE_MONGODB_UPDATE_MODE, CHARSET, CLIENT_SERVICE, clientService, COLLECTION_NAME, DATABASE_NAME, DATE_FORMAT, JSON_EXTENDED, JSON_STANDARD, JSON_TYPE, JSON_TYPE_EXTENDED, JSON_TYPE_STANDARD, mongoClient, objectMapper, QUERY_ATTRIBUTE

Constructor Summary

Constructors

Constructor	Description
GetMongo()

Method Summary

Modifier and Type	Method	Description
private String	buildBatch(List<org.bson.Document> documents, String jsonTypeSetting, String prettyPrintSetting)
private com.fasterxml.jackson.databind.ObjectWriter	getObjectWriter(com.fasterxml.jackson.databind.ObjectMapper mapper, String ppSetting)
Set<org.apache.nifi.processor.Relationship>	getRelationships()
final List<org.apache.nifi.components.PropertyDescriptor>	getSupportedPropertyDescriptors()
void	onScheduled(org.apache.nifi.context.PropertyContext context)
void	onTrigger(org.apache.nifi.processor.ProcessContext context, org.apache.nifi.processor.ProcessSession session)

Methods inherited from class org.apache.nifi.processors.mongodb.AbstractMongoQueryProcessor

getAttributes, getQuery

Methods inherited from class org.apache.nifi.processors.mongodb.AbstractMongoProcessor

closeClient, configureMapper, createClient, getClientSettings, getCollection, getCommonPropertyDescriptors, getDatabase, getURI, updateModeMatches, writeBatch

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

SEND_EMPTY_RESULTS

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

YES_PP

static final org.apache.nifi.components.AllowableValue YES_PP

NO_PP

static final org.apache.nifi.components.AllowableValue NO_PP

USE_PRETTY_PRINTING

static final org.apache.nifi.components.PropertyDescriptor USE_PRETTY_PRINTING

RELATIONSHIPS

private static final Set<org.apache.nifi.processor.Relationship> RELATIONSHIPS

PROPERTY_DESCRIPTORS

private static final List<org.apache.nifi.components.PropertyDescriptor> PROPERTY_DESCRIPTORS

logger

private org.apache.nifi.logging.ComponentLog logger

sendEmpty

private boolean sendEmpty

Constructor Details

GetMongo

public GetMongo()

Method Details

onScheduled

@OnScheduled
public void onScheduled(org.apache.nifi.context.PropertyContext context)

getRelationships

public Set<org.apache.nifi.processor.Relationship> getRelationships()

Specified by:

getRelationships in interface org.apache.nifi.processor.Processor

Overrides:

getRelationships in class org.apache.nifi.processor.AbstractSessionFactoryProcessor

getSupportedPropertyDescriptors

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

Overrides:

getSupportedPropertyDescriptors in class org.apache.nifi.components.AbstractConfigurableComponent

buildBatch

private String buildBatch(List<org.bson.Document> documents,
 String jsonTypeSetting,
 String prettyPrintSetting)
                   throws IOException

Throws:

IOException

getObjectWriter

private com.fasterxml.jackson.databind.ObjectWriter getObjectWriter(com.fasterxml.jackson.databind.ObjectMapper mapper,
 String ppSetting)

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