com.bigdata.jini.start.config
Class JavaServiceConfiguration

java.lang.Object
  com.bigdata.jini.start.config.ServiceConfiguration
      com.bigdata.jini.start.config.JavaServiceConfiguration

All Implemented Interfaces:

Serializable

Direct Known Subclasses:

ManagedServiceConfiguration, ZookeeperServerConfiguration

public class JavaServiceConfiguration
extends ServiceConfiguration

A service that is implemented in java and started directly using java. The value of the "jvmargs" property in the com.bigdata.jini.start component will be combined with the "args" property for the specific service.

Version:

$Id$

Author:

Bryan Thompson

See Also:

Serialized Form

Nested Class Summary

class	JavaServiceConfiguration.JavaServiceStarter<V extends ProcessHelper> Starts a java service.
static interface	JavaServiceConfiguration.Options Additional options understood by the JavaServiceConfiguration.

Nested classes/interfaces inherited from class com.bigdata.jini.start.config.ServiceConfiguration

ServiceConfiguration.AbstractServiceStarter<V extends ProcessHelper>

Field Summary

String[]	classpath Optional classpath override and otherwise null.
String[]	defaultJavaArgs Default JVM command line arguments.
File	javaHome The JAVA_HOME directory.
String	log4j The log4j URI (if specified and otherwise null).

Fields inherited from class com.bigdata.jini.start.config.ServiceConfiguration

args, className, constraints, log, options, replicationCount, serviceCount, serviceDir, timeout

Constructor Summary

JavaServiceConfiguration(String component, net.jini.config.Configuration config)

Method Summary

static String	getClassName(String component, net.jini.config.Configuration config) Extract the value of the JavaServiceConfiguration.Options.CLASS_NAME from the configuration.
static String[]	getClasspath(String className, net.jini.config.Configuration config)
static String[]	getDefaultJavaArgs(String className, net.jini.config.Configuration config)
static File	getJavaHome(String component, net.jini.config.Configuration config) Return the configured JAVA_HOME property value or the current value as reported by the java.home system property if the value was not explicitly configured.
static String	getLog4j(String component, net.jini.config.Configuration config) Return the log4j configuration URI for this service type.
JavaServiceConfiguration.JavaServiceStarter	newServiceStarter(IServiceListener listener) Factory method returns an object that may be used to start an new instance of the service.
protected void	toString(StringBuilder sb) May be extended to add more properties to the ServiceConfiguration.toString() representation.

Methods inherited from class com.bigdata.jini.start.config.ServiceConfiguration

canStartService, canStartService, concat, getArgs, getClassPath, getConstraints, getDefaultTimeout, getOptions, getReplicationCount, getServiceCount, getServiceDir, getStringArray, getTimeout, toString

Methods inherited from class java.lang.Object

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

Field Detail

javaHome

public final File javaHome

The JAVA_HOME directory.

See Also:

JavaServiceConfiguration.Options.JAVA_HOME

defaultJavaArgs

public final String[] defaultJavaArgs

Default JVM command line arguments.

See Also:

JavaServiceConfiguration.Options.DEFAULT_JAVA_ARGS

log4j

public final String log4j

The log4j URI (if specified and otherwise null).

See Also:

JavaServiceConfiguration.Options.LOG4J

classpath

public final String[] classpath

Optional classpath override and otherwise null.

See Also:

JavaServiceConfiguration.Options.CLASSPATH

Constructor Detail

JavaServiceConfiguration

public JavaServiceConfiguration(String component,
                                net.jini.config.Configuration config)
                         throws net.jini.config.ConfigurationException

Parameters:

component - The component (service configuration).

config - The Configuration.

Throws:

net.jini.config.ConfigurationException

Method Detail

toString

protected void toString(StringBuilder sb)

Description copied from class: ServiceConfiguration

May be extended to add more properties to the ServiceConfiguration.toString() representation.

Overrides:

toString in class ServiceConfiguration

newServiceStarter

public JavaServiceConfiguration.JavaServiceStarter newServiceStarter(IServiceListener listener)
                                                              throws Exception

Description copied from class: ServiceConfiguration

Factory method returns an object that may be used to start an new instance of the service.

Specified by:

newServiceStarter in class ServiceConfiguration

Throws:

Exception - if there is a problem creating the service starter.

getClassName

public static String getClassName(String component,
                                  net.jini.config.Configuration config)
                           throws net.jini.config.ConfigurationException

Extract the value of the JavaServiceConfiguration.Options.CLASS_NAME from the configuration.

Parameters:

component - The name of the component (service configuration).

config - The configuration.

Returns:

The name of the main class.

Throws:

net.jini.config.ConfigurationException

See Also:

Options#CLASS_NAME}

getJavaHome

public static File getJavaHome(String component,
                               net.jini.config.Configuration config)
                        throws net.jini.config.ConfigurationException

Return the configured JAVA_HOME property value or the current value as reported by the java.home system property if the value was not explicitly configured.

Parameters:

component -

config -

Returns:

Throws:

net.jini.config.ConfigurationException

getLog4j

public static String getLog4j(String component,
                              net.jini.config.Configuration config)
                       throws net.jini.config.ConfigurationException

Return the log4j configuration URI for this service type.

Parameters:

component - Identifies the service configuration.

config -

Returns:

The service specific log4j configuration URI or the global log4j configuration URI if none was specified for this service and null if no global entry was specified.

Throws:

net.jini.config.ConfigurationException

See Also:

JavaServiceConfiguration.Options.LOG4J

getDefaultJavaArgs

public static String[] getDefaultJavaArgs(String className,
                                          net.jini.config.Configuration config)
                                   throws net.jini.config.ConfigurationException

Throws:

net.jini.config.ConfigurationException

getClasspath

public static String[] getClasspath(String className,
                                    net.jini.config.Configuration config)
                             throws net.jini.config.ConfigurationException

Throws:

net.jini.config.ConfigurationException