Package org.apache.nifi.processors.mongodb

Class RunMongoAggregation

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.RunMongoAggregation

All Implemented Interfaces:

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

@Tags({"mongo","aggregation","aggregate"})
@CapabilityDescription("A processor that runs an aggregation query whenever a flowfile is received.")
@InputRequirement(INPUT_ALLOWED)
public class RunMongoAggregation
extends AbstractMongoProcessor

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
(package private) static final org.apache.nifi.components.PropertyDescriptor	ALLOW_DISK_USE
private static final List<org.apache.nifi.components.PropertyDescriptor>	PROPERTY_DESCRIPTORS
(package private) static final org.apache.nifi.components.PropertyDescriptor	QUERY
(package private) static final org.apache.nifi.processor.Relationship	REL_FAILURE
(package private) static final org.apache.nifi.processor.Relationship	REL_ORIGINAL
(package private) static final org.apache.nifi.processor.Relationship	REL_RESULTS
private static final Set<org.apache.nifi.processor.Relationship>	RELATIONSHIPS

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

ATTRIBUTE_MONGODB_UPDATE_MODE, BATCH_SIZE, 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, RESULTS_PER_FLOWFILE

Constructor Summary

Constructors

Constructor	Description
RunMongoAggregation()

Method Summary

Modifier and Type	Method	Description
(package private) static final List<org.bson.conversions.Bson>	buildAggregationQuery(String query)
private String	buildBatch(List<org.bson.Document> batch)
Set<org.apache.nifi.processor.Relationship>	getRelationships()
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.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

REL_ORIGINAL

static final org.apache.nifi.processor.Relationship REL_ORIGINAL

REL_FAILURE

static final org.apache.nifi.processor.Relationship REL_FAILURE

REL_RESULTS

static final org.apache.nifi.processor.Relationship REL_RESULTS

QUERY

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

ALLOW_DISK_USE

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

RELATIONSHIPS

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

PROPERTY_DESCRIPTORS

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

Constructor Details

RunMongoAggregation

public RunMongoAggregation()

Method Details

buildAggregationQuery

static final List<org.bson.conversions.Bson> buildAggregationQuery(String query)
                                                            throws IOException

Throws:

IOException

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> batch)

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