App Engine Python SDK  v1.6.9 rev.445
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Public Member Functions | Static Public Attributes | List of all members
google.appengine.ext.mapreduce.api.map_job.abstract_datastore_input_reader.AbstractDatastoreInputReader Class Reference
Inheritance diagram for google.appengine.ext.mapreduce.api.map_job.abstract_datastore_input_reader.AbstractDatastoreInputReader:
google.appengine.ext.mapreduce.api.map_job.input_reader.InputReader google.appengine.ext.mapreduce.api.map_job.shard_life_cycle._ShardLifeCycle google.appengine.ext.mapreduce.json_util.JsonMixin

Public Member Functions

def __init__
 
def __iter__
 
def __str__
 
def to_json
 
def from_json
 
def split_input
 
def validate
 
- Public Member Functions inherited from google.appengine.ext.mapreduce.api.map_job.input_reader.InputReader
def __init__
 
def __iter__
 
def next
 
def from_json
 
def to_json
 
def split_input
 
def validate
 
def begin_slice
 
def end_slice
 
def params_to_json
 
def params_from_json
 
- Public Member Functions inherited from google.appengine.ext.mapreduce.api.map_job.shard_life_cycle._ShardLifeCycle
def begin_shard
 
def end_shard
 
def begin_slice
 
def end_slice
 
- Public Member Functions inherited from google.appengine.ext.mapreduce.json_util.JsonMixin
def to_json_str
 
def from_json_str
 

Static Public Attributes

int MAX_NAMESPACES_FOR_KEY_SHARD = 10
 
string NAMESPACE_PARAM = "namespace"
 
string ENTITY_KIND_PARAM = "entity_kind"
 
string KEYS_ONLY_PARAM = "keys_only"
 
string BATCH_SIZE_PARAM = "batch_size"
 
string KEY_RANGE_PARAM = "key_range"
 
string FILTERS_PARAM = "filters"
 
- Static Public Attributes inherited from google.appengine.ext.mapreduce.api.map_job.input_reader.InputReader
string COUNTER_IO_READ_BYTE = "io-read-byte"
 
string COUNTER_IO_READ_MSEC = "io-read-msec"
 

Detailed Description

Implementation of an abstract base class for a Datastore input reader.

Constructor & Destructor Documentation

def google.appengine.ext.mapreduce.api.map_job.abstract_datastore_input_reader.AbstractDatastoreInputReader.__init__ (   self,
  iterator 
)
Create new AbstractDatastoreInputReader object.

This is internal constructor. Use split_input to create readers instead.

Args:
  iterator: an iterator that generates objects for this input reader.

Member Function Documentation

def google.appengine.ext.mapreduce.api.map_job.abstract_datastore_input_reader.AbstractDatastoreInputReader.__iter__ (   self)
Yields whatever the internal iterator yields.
def google.appengine.ext.mapreduce.api.map_job.abstract_datastore_input_reader.AbstractDatastoreInputReader.__str__ (   self)
Returns the string representation of this InputReader.
def google.appengine.ext.mapreduce.api.map_job.abstract_datastore_input_reader.AbstractDatastoreInputReader.from_json (   cls,
  state 
)
Inherit doc.
def google.appengine.ext.mapreduce.api.map_job.abstract_datastore_input_reader.AbstractDatastoreInputReader.split_input (   cls,
  job_config 
)
Inherit doc.
def google.appengine.ext.mapreduce.api.map_job.abstract_datastore_input_reader.AbstractDatastoreInputReader.to_json (   self)
Inherit doc.
def google.appengine.ext.mapreduce.api.map_job.abstract_datastore_input_reader.AbstractDatastoreInputReader.validate (   cls,
  job_config 
)
Inherit docs.

The documentation for this class was generated from the following file: