Uses of Package
io.cdap.cdap.etl.api

Packages that use io.cdap.cdap.etl.api

Package	Description
io.cdap.cdap.etl.api	Packages for ETL Application Templates.
io.cdap.cdap.etl.api.action
io.cdap.cdap.etl.api.batch	Packages for ETL Application Templates.
io.cdap.cdap.etl.api.condition
io.cdap.cdap.etl.api.connector
io.cdap.cdap.etl.api.engine.sql
io.cdap.cdap.etl.api.engine.sql.dataset
io.cdap.cdap.etl.api.join
io.cdap.cdap.etl.api.lookup	Packages for ETL Application Templates.
io.cdap.cdap.etl.api.validation

Classes in io.cdap.cdap.etl.api used by io.cdap.cdap.etl.api

Class and Description
Alert An alert emitted by a stage in the pipeline.
AlertEmitter Emits alerts.
AlertPublisherContext Context for an AlertPublisher, exposing methods to publish messages to TMS.
Arguments Provides access to the pipeline arguments at runtime.
CacheConfig Cache configuration.
Destroyable Interface for stage that supports destroy call for resources cleanup.
Emitter Used to emit one or more key, value pairs to the next stage.
Engine Execution engines.
ErrorEmitter Emits errors.
FailureCollector Failure collector is responsible to collect ValidationFailures.
InvalidEntry Represents a record that fails validation, with provided errorCode and errorMessage
JoinConfig Join configuration to hold information about join to be performed
JoinElement Join element to hold join record per stage
Lookup Exposes read-only lookup operations on datasets.
LookupProvider Provides Lookup instances given a dataset name.
LookupTableConfig Configuration for a particular Lookup table.
LookupTableConfig.TableType Type of lookup table.
MultiInputPipelineConfigurer Configures an ETL Pipeline.
MultiInputStageConfigurer This stores the input schemas that are passed to this stage from other stages in the pipeline and the output schema that could be sent to the next stages from this stage.
MultiOutputEmitter Used to emit one or more key-value pairs to output ports.
MultiOutputPipelineConfigurable Allows a stage with multiple outputs to configure the pipeline.
MultiOutputPipelineConfigurer Configures a Pipeline.
MultiOutputStageConfigurer This stores the input schemas that are passed to this stage from other stages in the pipeline and the output schema that could be sent to the next stages from this stage.
MultiOutputTransformation Transforms an input object into zero or more output objects, emitted to specific output ports.
PipelineConfigurable Allows the stage to configure pipeline.
PipelineConfigurer Configures an ETL Pipeline.
StageConfigurer This stores the input schema that is passed to this stage from other stages in the pipeline and the output schema that could be sent to the next stages from this stage.
StageContext Context for a pipeline stage, providing access to information about the stage, metrics, and plugins.
StageLifecycle Interface for stage that supports initialize call for resource setup.
StageMetrics The interface exposes method for emitting user metrics from ETL stage.
StageSubmitterContext Similar to TransformContext, but also exposing functionality of MessagingContext.
SubmitterLifecycle Interface for stage that supports initialize call for resource setup.
Transform Transform Stage.
Transformation Transforms an input object into zero or more output objects.
TransformContext Context passed to ETL Transform stages.

Classes in io.cdap.cdap.etl.api used by io.cdap.cdap.etl.api.action

Class and Description
Arguments Provides access to the pipeline arguments at runtime.
PipelineConfigurable Allows the stage to configure pipeline.
PipelineConfigurer Configures an ETL Pipeline.
StageContext Context for a pipeline stage, providing access to information about the stage, metrics, and plugins.

Classes in io.cdap.cdap.etl.api used by io.cdap.cdap.etl.api.batch

Class and Description
Aggregator Groups all input objects into collections and performs an aggregation on the entire group.
Destroyable Interface for stage that supports destroy call for resources cleanup.
Emitter Used to emit one or more key, value pairs to the next stage.
Joiner Provides join keys on which join needs to be performed and merges the join results.
LookupProvider Provides Lookup instances given a dataset name.
MultiInputPipelineConfigurable Allows the stage with multiple inputs to configure pipeline.
MultiInputPipelineConfigurer Configures an ETL Pipeline.
PipelineConfigurable Allows the stage to configure pipeline.
PipelineConfigurer Configures an ETL Pipeline.
ReducibleAggregator Groups all input objects into collections and performs an aggregation on the entire group.
StageContext Context for a pipeline stage, providing access to information about the stage, metrics, and plugins.
StageLifecycle Interface for stage that supports initialize call for resource setup.
SubmitterLifecycle Interface for stage that supports initialize call for resource setup.
Transformation Transforms an input object into zero or more output objects.
TransformContext Context passed to ETL Transform stages.

Classes in io.cdap.cdap.etl.api used by io.cdap.cdap.etl.api.condition

Class and Description
PipelineConfigurable Allows the stage to configure pipeline.
PipelineConfigurer Configures an ETL Pipeline.
StageContext Context for a pipeline stage, providing access to information about the stage, metrics, and plugins.

Classes in io.cdap.cdap.etl.api used by io.cdap.cdap.etl.api.connector

Class and Description
FailureCollector Failure collector is responsible to collect ValidationFailures.

Classes in io.cdap.cdap.etl.api used by io.cdap.cdap.etl.api.engine.sql

Class and Description
PipelineConfigurable Allows the stage to configure pipeline.
PipelineConfigurer Configures an ETL Pipeline.
SubmitterLifecycle Interface for stage that supports initialize call for resource setup.

Classes in io.cdap.cdap.etl.api used by io.cdap.cdap.etl.api.engine.sql.dataset

Class and Description
FromKeyValueTransform Interface for an entity which allows the transformation between an object of a given Type from a KeyValue pair.
ToKeyValueTransform Interface for an entity which allows the transformation between an object of a given Type into a KeyValue pair.

Classes in io.cdap.cdap.etl.api used by io.cdap.cdap.etl.api.join

Class and Description
FailureCollector Failure collector is responsible to collect ValidationFailures.

Classes in io.cdap.cdap.etl.api used by io.cdap.cdap.etl.api.lookup

Class and Description
Lookup Exposes read-only lookup operations on datasets.

Classes in io.cdap.cdap.etl.api used by io.cdap.cdap.etl.api.validation

Class and Description
FailureCollector Failure collector is responsible to collect ValidationFailures.