API Documentation

This topic provides links to the locations of MapR's public APIs. These APIs are available for application development purposes.

Important: Development using MapR's non-public (private or internal) APIs are not supported.
Table 1. MAPR API Document List with Links
Feature Language Link to Location Description
MapR-ES Administration Java

See MapR-ES Java Applications for streams and topics information for application development.

MapR-Streams Java API for performing administrative tasks on streams and topics, setting values for the attributes of streams, and accessing streams for analytics purposes.

MapR-modified Kafka interfaces, classes, and packages used for MapR-Streams API. This library is a MapR modified version of the open source Kafka library.

MapR-DB JSON Client Java MapR-DB JSON Client API provides the source API documentation for developing client applications.
Note: Beginning with MapR version 6.0, the MapR-DB Table interface in the MapR-DB JSON Client API is deprecated and replaced by the DocumentStore interface in the OJAI API library. See the next row for details on that API.

CRUD Operations on MapR-DB JSON Tables includes topics and examples for application development.

Java API for administration and management of MapR-DB JSON tables.
Java OJAI API Java

Querying with OJAI describes how to run queries using the API.

The Java OJAI Client API provides the Java API documentation.

OJAI is a general-purpose JSON access layer that sits on databases, file systems, and message streams which enables access to structured, semi-structured and unstructured data using a common API. Used for working with OJAI JSON document stores.
OJAI REST API REST Using the MapR-DB JSON REST API describes the functionality the API supports, includes some simple getting started examples, and describes the details of the API. Provides an alternative to writing a Java OJAI application. Using HTTP calls, you can perform basic operations on MapR-DB JSON tables.
MapR-DB Binary tables C Creating C Apps - Binary Tables includes topics and examples for application development. C API library (libMapRClient) for creating and accessing MapR binary tables. This library is a MapR-specific version of libhbase.
MapR-DB JSON MapReduce Java MapR-DB JSON MapReduce API provides the source API documentation.

MapR-DB JSON Application Development includes topics and examples for application development.

Java API library that extends the Apache Hadoop MapReduce framework. Used to create MapReduce applications that write data from one JSON table to another.
File Access Control Expressions Java File ACE API provides the source API documentation. APIs to grant different permissions to multiple users, groups, and roles for files, directories, and whole volume data using boolean expressions and subexpressions.
MapR-FS C Accessing MapR-FS with C Applications includes topics and examples for application development. MapR's libMapRClient library that supports access to MAPR-FS. This library is a MapR modified version of libhdfs. Used to manage MapR-FS files.
MapR-FS Java Accessing MapR-FS in Java Applications includes topics and examples for application development. MapR's native maprfs library for accessing MapR-FS.
Extended Attributes Java Extended Attributes API provides the source API documentation. APIs to associate additional metadata with a regular file or directory.