com.asakusafw.testdriver.hadoop

Class ConfigurationFactory

java.lang.Object

com.asakusafw.runtime.util.hadoop.ConfigurationProvider

com.asakusafw.testdriver.hadoop.ConfigurationFactory

public class ConfigurationFactory
extends ConfigurationProvider

Creates Configurations with system defaults.

Since:

0.2.5

Version:

0.6.0

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	ConfigurationFactory.Preferences Preferences for ConfigurationFactory.

Field Summary

Fields

Modifier and Type	Field and Description
static String	KEY_EXPLICIT_HADOOP_COMMAND Deprecated.
static String	KEY_EXPLICIT_HADOOP_CONF Deprecated.
static String	KEY_LOCAL_FILE_SYSTEM The system property key of LocalFileSystem implementation class name.

Constructor Summary

Constructors

Constructor and Description
ConfigurationFactory(ConfigurationFactory.Preferences preferences) Creates a new instance.
ConfigurationFactory(URL defaultConfigPath) Creates a new instance.

Method Summary

Modifier and Type	Method and Description
protected void	configure(org.apache.hadoop.conf.Configuration configuration) Configures before ConfigurationProvider.newInstance() returns the configuration object.
static ConfigurationFactory	getDefault() Returns a default factory which refers the System Hadoop configuration path.
File	getHadoopCommand() Returns the Hadoop command path for this configuration.

Methods inherited from class com.asakusafw.runtime.util.hadoop.ConfigurationProvider

findHadoopCommand, findHadoopCommand, getConfigurationPath, newInstance

Methods inherited from class java.lang.Object

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

Field Detail

KEY_LOCAL_FILE_SYSTEM

public static final String KEY_LOCAL_FILE_SYSTEM

The system property key of LocalFileSystem implementation class name.

Since:

0.6.0

See Also:

Constant Field Values

KEY_EXPLICIT_HADOOP_CONF

@Deprecated
public static final String KEY_EXPLICIT_HADOOP_CONF

Deprecated.

The system property key of Hadoop configuration path.

Since:

0.6.0

See Also:

Constant Field Values

KEY_EXPLICIT_HADOOP_COMMAND

@Deprecated
public static final String KEY_EXPLICIT_HADOOP_COMMAND

Deprecated.

The system property key of Hadoop command path.

Since:

0.6.0

See Also:

Constant Field Values

Constructor Detail

ConfigurationFactory

public ConfigurationFactory(URL defaultConfigPath)

Creates a new instance.

Parameters:

defaultConfigPath - the default configuration path

See Also:

getDefault()

ConfigurationFactory

public ConfigurationFactory(ConfigurationFactory.Preferences preferences)

Creates a new instance.

Parameters:

preferences - the preferences for this instance

Since:

0.6.0

See Also:

getDefault()

Method Detail

getDefault

public static ConfigurationFactory getDefault()

Returns a default factory which refers the System Hadoop configuration path.

If Hadoop installation is not found in your system, this returns a factory which use the current context classloader.

Returns:

a default factory object

getHadoopCommand

public File getHadoopCommand()

Returns the Hadoop command path for this configuration.

Returns:

the Hadoop command path, or null if it is not found

configure

protected void configure(org.apache.hadoop.conf.Configuration configuration)

Description copied from class: ConfigurationProvider

Configures before ConfigurationProvider.newInstance() returns the configuration object.

Overrides:

configure in class ConfigurationProvider

Parameters:

configuration - the configuration