com.oracle.iot.client.device.persistence

Class PersistenceMetaData

java.lang.Object

com.oracle.iot.client.device.persistence.PersistenceMetaData

public class PersistenceMetaData
extends java.lang.Object

Meta-data related to persistence.

Method Summary

Modifier and Type	Method and Description
static java.lang.String	getDBName() By default, the database name is "persistence_store".
static int	getIsolationLevel(java.sql.Connection connection) Get the transaction isolation level for SQL database persistence.
static java.io.File	getLocalStorageDirectory() Get the directory that is used for local persistence.
static boolean	isPersistenceEnabled() Get whether or not persistence is enabled.

Methods inherited from class java.lang.Object

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

Method Detail

getDBName

public static java.lang.String getDBName()

By default, the database name is "persistence_store". This value can be set with the property com.oracle.iot.client.device.persistence_db_name

Returns:

the database name

getLocalStorageDirectory

public static java.io.File getLocalStorageDirectory()

Get the directory that is used for local persistence. By default, the local storage directory is the directory from which java was run. This value can be set with the property com.oracle.iot.client.device.persistence_local_store.

Returns:

the directory that is used for local persistence

getIsolationLevel

public static int getIsolationLevel(java.sql.Connection connection)

Get the transaction isolation level for SQL database persistence. By default, the value is java.sql.Connection.TRANSACTION_READ_UNCOMMITTED. This value can be set with the property com.oracle.iot.client.device.persistence_isolation_level.

The Connection argument is used to ensure the database supports the configured transaction isolation level. If the database does not support transactions, this method returns Connection.TRANSACTION_NONE.

Parameters:

connection - the database java.sql.Connection

Returns:

the transaction isolation level

isPersistenceEnabled

public static boolean isPersistenceEnabled()

Get whether or not persistence is enabled. By default, the value is true. This value can be set with the property com.oracle.iot.client.device.persistence_enabled

Returns:

true if persistence is enabled.