This Confluence has been LDAP enabled, if you are an ASF Committer, please use your LDAP Credentials to login. Any problems file an INFRA jira ticket please.

Page tree
Skip to end of metadata
Go to start of metadata

Apache MetaModel is a library that encapsulates the differences and enhances the capabilities of different datastores. Rich querying abilities are offered to datastores that do not otherwise support advanced querying and a unified view of the datastore structure is offered through a single model of the schemas, tables, columns and relationships.

Key concepts:

Knowledge base and background information:

Details about Connectors / DataContext implementations:

Datastore typeDataContext class nameProperties "type" valueVariants supported/available

JDBC / Relational Databases

JdbcDataContextjdbc

PostgreSQL, MySQL, Microsoft SQL Server, Oracle DB, IBM DB2
Apache Hive, Apache Derby, SQLite, Ingres, H2, HSQLDB
(... and many more)

CSV files

CsvDataContextcsv

Comma-separated
Tab-separated
Anything-separated files

Fixed width value filesFixedWidthDataContextfixed-width

Fixed width
EBCDIC

Microsoft Excel spreadsheetsExcelDataContextexcel

.xls
.xlsx 

Microsoft Access database filesAccessDataContext-

.mdb
.accdb

OpenOffice.org database filesOpenOfficeDataContext-.odb
XML filesXmlDomDataContext
XmlSaxDataContext 
xml

DOM-based parsing (all in-memory)
SAX-based parsing (streaming) 

JSON filesJsonDataContextjson 
ElasticSearch

ElasticSearchDataContext
ElasticSearchRestDataContext

elasticsearch

Native Java API
RESTful JSON API

MongoDBMongoDbDataContext-MongoDB 2.x
MongoDB 3.x 
Apache CouchDBCouchDbDataContextcouchdb 
Apache CassandraCassandraDataContextcassandra 
Apache HBaseHBaseDataContexthbase 
Apache KafkaKafkaDataContext

Neo4jNeo4jDataContext- 
Salesforce.comSalesforceDataContextsalesforce 
SugarCRMSugarCrmDataContext- 
Java collectionsPojoDataContextpojo

Collection<Object[]>
Collection<Map<String, Object>>
Collection<JavaBean> 

Collections of other datastoresCompositeDataContext  

Additional information for the interested:

 

  • No labels