org.datanucleus.store.hbase

Class HBaseSchemaHandler

java.lang.Object

org.datanucleus.store.schema.AbstractStoreSchemaHandler

org.datanucleus.store.hbase.HBaseSchemaHandler

All Implemented Interfaces:

org.datanucleus.store.schema.StoreSchemaHandler

public class HBaseSchemaHandler
extends org.datanucleus.store.schema.AbstractStoreSchemaHandler

Handler for schema management with HBase.

Field Summary

Fields inherited from class org.datanucleus.store.schema.AbstractStoreSchemaHandler

autoCreateColumns, autoCreateConstraints, autoCreateDatabase, autoCreateTables, autoCreateWarnOnError, autoDeleteColumns, storeMgr, validateColumns, validateConstraints, validateTables

Constructor Summary

Constructors

Constructor and Description
HBaseSchemaHandler(org.datanucleus.store.StoreManager storeMgr)

Method Summary

Modifier and Type	Method and Description
protected boolean	addColumnFamilyForColumn(org.datanucleus.store.schema.table.Column col, org.apache.hadoop.hbase.HTableDescriptor htable, String tableName, Set<String> familyNames, boolean validateOnly)
void	createSchemaForClass(HBaseStoreManager storeMgr, org.datanucleus.metadata.AbstractClassMetaData cmd, boolean validateOnly) Create a schema in HBase.
void	createSchemaForClasses(Set<String> classNames, Properties props, Object connection)
void	deleteSchemaForClasses(Set<String> classNames, Properties props, Object connection)
void	validateSchema(Set<String> classNames, Properties props, Object connection)

Methods inherited from class org.datanucleus.store.schema.AbstractStoreSchemaHandler

clear, createDatabase, deleteDatabase, getSchemaData, getStoreManager, isAutoCreateColumns, isAutoCreateConstraints, isAutoCreateDatabase, isAutoCreateTables, isAutoCreateWarnOnError, isAutoDeleteColumns, isValidateColumns, isValidateConstraints, isValidateTables

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

HBaseSchemaHandler

public HBaseSchemaHandler(org.datanucleus.store.StoreManager storeMgr)

Method Detail

createSchemaForClasses

public void createSchemaForClasses(Set<String> classNames,
                                   Properties props,
                                   Object connection)

Specified by:

createSchemaForClasses in interface org.datanucleus.store.schema.StoreSchemaHandler

Overrides:

createSchemaForClasses in class org.datanucleus.store.schema.AbstractStoreSchemaHandler

createSchemaForClass

public void createSchemaForClass(HBaseStoreManager storeMgr,
                                 org.datanucleus.metadata.AbstractClassMetaData cmd,
                                 boolean validateOnly)

Create a schema in HBase.

Parameters:

storeMgr - HBase StoreManager

cmd - Metadata for the class

validateOnly - Whether to only validate for existence and flag missing schema in the log

addColumnFamilyForColumn

protected boolean addColumnFamilyForColumn(org.datanucleus.store.schema.table.Column col,
                                           org.apache.hadoop.hbase.HTableDescriptor htable,
                                           String tableName,
                                           Set<String> familyNames,
                                           boolean validateOnly)

deleteSchemaForClasses

public void deleteSchemaForClasses(Set<String> classNames,
                                   Properties props,
                                   Object connection)

Specified by:

deleteSchemaForClasses in interface org.datanucleus.store.schema.StoreSchemaHandler

Overrides:

deleteSchemaForClasses in class org.datanucleus.store.schema.AbstractStoreSchemaHandler

validateSchema

public void validateSchema(Set<String> classNames,
                           Properties props,
                           Object connection)

Specified by:

validateSchema in interface org.datanucleus.store.schema.StoreSchemaHandler

Overrides:

validateSchema in class org.datanucleus.store.schema.AbstractStoreSchemaHandler