org.mmbase.bridge
Class ContextProvider

java.lang.Object
  org.mmbase.bridge.ContextProvider

public class ContextProvider

extends Object

Main class to aquire CloudContexts

Since:

MMBase-1.5

Version:

$Id: ContextProvider.java,v 1.10 2005/11/04 23:20:25 michiel Exp $

Author:

Kees Jongenburger

Field Summary

static String

DEFAULT_CLOUD_CONTEXT_NAME When no system property mmbase.defaultcloudcontext is set the default cloud context is the context returned when DEFAULT_CLOUD_CONTEXT_NAME is fed to getCloudContext(String) DEFAULT_CLOUD_CONTEXT_NAME="local"

Constructor Summary

ContextProvider()

Method Summary

static CloudContext	getCloudContext(String uri) Factory method to get an instance of a CloudContext.
static CloudContext	getDefaultCloudContext()
static String	getDefaultCloudContextName()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_CLOUD_CONTEXT_NAME

public static final String DEFAULT_CLOUD_CONTEXT_NAME

When no system property mmbase.defaultcloudcontext is set the default cloud context is the context returned when DEFAULT_CLOUD_CONTEXT_NAME is fed to getCloudContext(String)
DEFAULT_CLOUD_CONTEXT_NAME="local"

See Also:

Constant Field Values

Constructor Detail

ContextProvider

public ContextProvider()

Method Detail

getCloudContext

public static CloudContext getCloudContext(String uri)

Factory method to get an instance of a CloudContext. Depending on the uri parameter given the CloudContext might be a local context or a remote context (rmi)

Parameters:

uri - an identifier for the context
possible values:

• local : will return a local context
• rmi://hostname:port/contextname : will return a remote context
• a null parameter: will return the default context

Returns:

a cloud context

Throws:

BridgeException - if the cloudcontext was not found

getDefaultCloudContextName

public static String getDefaultCloudContextName()

Returns:

the name of the cloud context to be used as default

Since:

MMBase-1.7

getDefaultCloudContext

public static CloudContext getDefaultCloudContext()

Returns:

the default cloud context This is the local cloud if mmbase is running or could be started (with mmbase.config system property), Otherwise a default rmmci cloud, or specified with mmbase.defaultcloudtext.property

Since:

MMBase-1.7