Packages

package root

Definition Classes: root

package com

Definition Classes: root

package here

Definition Classes: com

package platform

Definition Classes: here

package data

Definition Classes: platform

package processing

This package provides the Data Processing Library for building distributed data processing applications.

A Runner both implements the interface with the environment for an application to run, and starts the application. The application, in turn, is driven by a Driver, that controls and performs the distributed processing.

Choose a Runner best suited for the environment where the application runs.

The Driver performs one of more tasks which read layers from input catalogs and write to one or more layers of an output catalog.

The main entry point in the processing library is the com.here.platform.data.processing.driver.DriverBuilder class where you can add different kinds of tasks to the driver. The driver runs the tasks, and commits the final results to the output catalog.

Tasks are implemented using one or more compilers.

The simplest compiler is the direct compiler which maps each input tile to N output tiles. The application needs to define com.here.platform.data.processing.compiler.Direct1ToNCompiler.

Other more complex compilation patterns are based on some kind of dependency tracking between input partitions and output partitions.

The processing Library supports the following patterns:

- com.here.platform.data.processing.compiler.NonIncrementalCompiler: non-incremental compilation only - com.here.platform.data.processing.compiler.DepCompiler: non-incremental dependency calculation and incremental compilation - com.here.platform.data.processing.compiler.IncrementalDepCompiler: incremental dependency calculation and compilation - com.here.platform.data.processing.compiler.Direct1ToNCompiler: incremental compilation where every output tile depends only on one input tile, and this mapping is independent from tile content - com.here.platform.data.processing.compiler.DirectMToNCompiler: incremental compilation where every output tile depends on multiple input tiles, and this mapping is independent from tile content - com.here.platform.data.processing.compiler.MapGroupCompiler: incremental compilation where every output tile can depend on multiple input tiles, and this mapping depend on the tile content - com.here.platform.data.processing.compiler.RefTreeCompiler: fully-managed two phases incremental compilation that can resolve references between input partitions. Input/Output dependency management is implemented and the developer doesn't need to provide this logic

The application's main object normally mixes in the a runner trait (like PipelineRunner) to setup the Driver, and interfaces with the environment where the application is run. See the Main classes in the example compilers for more details.

com.here.platform.data.processing.catalog, com.here.platform.data.processing.blobstore, and com.here.platform.data.processing.publisher contain utilities for accessing catalogs and payloads in a Spark-friendly way, providing an RDD-based abstraction over data and metadata. These classes are used by the processing library, but can also be used independently.

Definition Classes: data

package driver

Definition Classes: processing

package config

This package contains the configuration classes for all components of a Driver.

This package contains the configuration classes for all components of a Driver. Configuration is read from application.conf and provided to the developer as a com.here.platform.data.processing.driver.config.CompleteConfig instance, when the driver is setup.

Definition Classes: driver

package deltasets

Definition Classes: driver

package filter

Definition Classes: driver

package impl

Definition Classes: driver

package job

Definition Classes: driver

package modes

Definition Classes: driver

package runner

Definition Classes: driver

Default

DeltaDriverTask

DeltaDriverTaskBuilder

DriverSetupWithBuilder

DriverTask

Executor

Fingerprints

IncrementalCompilerExecutor

MultiCompilerTaskBuilder

MultiModeDriverTask

NonIncrementalCompilerExecutor

PartitionKeyFiltering

StatefulCompilerExecutor

TaskBuilder

TaskResult

com.here.platform.data.processing.driver

DriverSetupWithBuilder

trait DriverSetupWithBuilder extends DriverSetup

Implements the Driver setup pattern DriverSetup using a com.here.platform.data.processing.driver.DriverBuilder. It is the developer's task to configure the passed builder as required and return it.

Linear Supertypes

DriverSetup, AnyRef, Any

Known Subclasses

ImplPipelineRunner, PipelineRunnerWrapper

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Abstract Value Members

abstract def configureCompiler(completeConfig: CompleteConfig, context: DriverContext, builder: DriverBuilder): builder.type
Configures the compiler that the library runs using a com.here.platform.data.processing.driver.DriverBuilder.
Configures the compiler that the library runs using a com.here.platform.data.processing.driver.DriverBuilder.
completeConfig
The complete configuration, including the processing library and compiler configuration.
context
The com.here.platform.data.processing.driver.DriverContext in which the com.here.platform.data.processing.driver.Driver being built runs.
builder
The com.here.platform.data.processing.driver.DriverBuilder object.
returns
A fully configured com.here.platform.data.processing.driver.DriverBuilder, that must include one or more DriverTasks.
See also
com.here.platform.data.processing.driver.DriverBuilder to build a com.here.platform.data.processing.driver.Driver.

Concrete Value Members

final def !=(arg0: Any): Boolean
Definition Classes
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final def ##: Int
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final def ==(arg0: Any): Boolean
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final def asInstanceOf[T0]: T0
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def clone(): AnyRef
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protected[lang]
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final def eq(arg0: AnyRef): Boolean
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def equals(arg0: AnyRef): Boolean
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final def getClass(): Class[_ <: AnyRef]
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def hashCode(): Int
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final def isInstanceOf[T0]: Boolean
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final def ne(arg0: AnyRef): Boolean
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final def notify(): Unit
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@IntrinsicCandidate() @native()
final def notifyAll(): Unit
Definition Classes
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@IntrinsicCandidate() @native()
final def setupDriver(completeConfig: CompleteConfig, context: DriverContext): Driver
Builds a new com.here.platform.data.processing.driver.Driver configured with driver tasks that implement the required compiler.
Builds a new com.here.platform.data.processing.driver.Driver configured with driver tasks that implement the required compiler.
completeConfig
The complete configuration, including the processing library and compiler configuration.
context
The DriverContext in which the Driver runs.
returns
a fully-configured com.here.platform.data.processing.driver.Driver, that must include one or more DriverTasks.
Definition Classes
DriverSetupWithBuilder → DriverSetup
See also
com.here.platform.data.processing.driver.DriverBuilder to build a com.here.platform.data.processing.driver.Driver
final def synchronized[T0](arg0: => T0): T0
Definition Classes
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def toString(): String
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final def wait(arg0: Long, arg1: Int): Unit
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@throws(classOf[java.lang.InterruptedException])
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Deprecated Value Members

def finalize(): Unit
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protected[lang]
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@throws(classOf[java.lang.Throwable]) @Deprecated
Deprecated
(Since version 9)

Packages

DriverSetupWithBuilder

trait DriverSetupWithBuilder extends DriverSetup

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Inherited from DriverSetup

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DriverSetupWithBuilder

trait DriverSetupWithBuilder extends DriverSetup

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Inherited from DriverSetup

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DriverSetupWithBuilder