Uses of Package
com.google.appengine.tools.mapreduce

Packages that use com.google.appengine.tools.mapreduce

Package	Description
com.google.appengine.tools.mapreduce
com.google.appengine.tools.mapreduce.bigqueryjobs
com.google.appengine.tools.mapreduce.impl
com.google.appengine.tools.mapreduce.impl.pipeline
com.google.appengine.tools.mapreduce.impl.sort
com.google.appengine.tools.mapreduce.impl.util
com.google.appengine.tools.mapreduce.inputs
com.google.appengine.tools.mapreduce.mappers
com.google.appengine.tools.mapreduce.outputs
com.google.appengine.tools.mapreduce.reducers

Classes in com.google.appengine.tools.mapreduce used by com.google.appengine.tools.mapreduce

Class and Description
BigQueryFieldMode The supported bigquery field modes.
Context MapReduce context.
Counter Counter is an integer variable that is aggregated across multiple shards.
Counters Collection of all counters.
DatastoreMutationPool DatastoreMutationPool allows you to pool datastore operations such that they are applied in batches, requiring fewer datastore API calls.
DatastoreMutationPool.Params DatastoreMutationPool params.
DatastoreMutationPool.Params.Builder DatastoreMutationPool Params builder.
Input Input is the data source specification for the job.
InputReader Reads data from an input source.
KeyValue Key-value pair.
MapOnlyMapper Map function for Map only jobs.
Mapper Map function for MapReduce computations.
MapReduceResult Result of a MapReduceJob or MapJob.
MapReduceSettings Settings that affect how a MapReduce is executed.
MapReduceSettings.Builder
MapReduceSpecification Specification for a MapReduce job.
MapReduceSpecification.Builder
MapSettings Settings that affect how a Map job is executed.
MapSettings.Builder
MapSpecification Specification for a map-only job.
MapSpecification.Builder
Marshaller Turns objects of type T into bytes and back.
Output Defines where output should go.
OutputWriter Writes key-value pairs.
Reducer Reduce function for use in MapReduce.
ReducerInput Enumerates the reducer's input values for a given key.
ShardContext Context for each shard.
Worker Base class for Mapper and Reducer.
WorkerContext Context for each worker (mapper or reducer) shard.

Classes in com.google.appengine.tools.mapreduce used by com.google.appengine.tools.mapreduce.bigqueryjobs

Class and Description
GoogleCloudStorageFileSet An ordered list of files in GCS.

Classes in com.google.appengine.tools.mapreduce used by com.google.appengine.tools.mapreduce.impl

Class and Description
BigQueryMarshaller An implementation of this class should serialize the objects of type T into newline separated json as expected by the bigquery load jobs.
Context MapReduce context.
Counter Counter is an integer variable that is aggregated across multiple shards.
Counters Collection of all counters.
GoogleCloudStorageFileSet An ordered list of files in GCS.
Input Input is the data source specification for the job.
InputReader Reads data from an input source.
KeyValue Key-value pair.
MapOnlyMapper Map function for Map only jobs.
MapOnlyMapperContext Context for MapOnlyMapper execution.
Mapper Map function for MapReduce computations.
MapperContext A context for mapper execution.
MapReduceResult Result of a MapReduceJob or MapJob.
MapReduceSpecification Specification for a MapReduce job.
MapSpecification Specification for a map-only job.
Marshaller Turns objects of type T into bytes and back.
Output Defines where output should go.
OutputWriter Writes key-value pairs.
Reducer Reduce function for use in MapReduce.
ReducerContext Context for Reducer execution.
ReducerInput Enumerates the reducer's input values for a given key.
ShardContext Context for each shard.
Sharder Used to determine which shard an item belongs to.
Worker Base class for Mapper and Reducer.
WorkerContext Context for each worker (mapper or reducer) shard.

Classes in com.google.appengine.tools.mapreduce used by com.google.appengine.tools.mapreduce.impl.pipeline

Class and Description
MapReduceResult Result of a MapReduceJob or MapJob.

Classes in com.google.appengine.tools.mapreduce used by com.google.appengine.tools.mapreduce.impl.sort

Class and Description
Context MapReduce context.
InputReader Reads data from an input source.
KeyValue Key-value pair.
OutputWriter Writes key-value pairs.
ShardContext Context for each shard.
Worker Base class for Mapper and Reducer.
WorkerContext Context for each worker (mapper or reducer) shard.

Classes in com.google.appengine.tools.mapreduce used by com.google.appengine.tools.mapreduce.impl.util

Class and Description
Marshaller Turns objects of type T into bytes and back.

Classes in com.google.appengine.tools.mapreduce used by com.google.appengine.tools.mapreduce.inputs

Class and Description
GoogleCloudStorageFileSet An ordered list of files in GCS.
Input Input is the data source specification for the job.
InputReader Reads data from an input source.
Marshaller Turns objects of type T into bytes and back.
ShardContext Context for each shard.

Classes in com.google.appengine.tools.mapreduce used by com.google.appengine.tools.mapreduce.mappers

Class and Description
KeyValue Key-value pair.
Mapper Map function for MapReduce computations.
Worker Base class for Mapper and Reducer.

Classes in com.google.appengine.tools.mapreduce used by com.google.appengine.tools.mapreduce.outputs

Class and Description
BigQueryMarshaller An implementation of this class should serialize the objects of type T into newline separated json as expected by the bigquery load jobs.
DatastoreMutationPool.Params DatastoreMutationPool params.
GoogleCloudStorageFileSet An ordered list of files in GCS.
KeyValue Key-value pair.
Marshaller Turns objects of type T into bytes and back.
Output Defines where output should go.
OutputWriter Writes key-value pairs.
ShardContext Context for each shard.
Sharder Used to determine which shard an item belongs to.

Classes in com.google.appengine.tools.mapreduce used by com.google.appengine.tools.mapreduce.reducers

Class and Description
Reducer Reduce function for use in MapReduce.
ReducerInput Enumerates the reducer's input values for a given key.
Worker Base class for Mapper and Reducer.