com.sun.jdo.api.persistence.enhancer
Class FilterEnhancer

java.lang.Object
  com.sun.jdo.api.persistence.enhancer.util.Assertion
      com.sun.jdo.api.persistence.enhancer.util.Support
          com.sun.jdo.api.persistence.enhancer.FilterEnhancer

All Implemented Interfaces:

ByteCodeEnhancer

public class FilterEnhancer
extends Support
implements ByteCodeEnhancer

Implements a JDO enhancer as a byte-code filtering tool.

Field Summary

static java.lang.String	DO_SIMPLE_TIMING
static java.lang.String	VERBOSE_LEVEL
static java.lang.String	VERBOSE_LEVEL_DEBUG
static java.lang.String	VERBOSE_LEVEL_QUIET
static java.lang.String	VERBOSE_LEVEL_VERBOSE
static java.lang.String	VERBOSE_LEVEL_WARN

Fields inherited from class com.sun.jdo.api.persistence.enhancer.util.Support

timer

Constructor Summary

FilterEnhancer(JDOMetaData metaData, java.util.Properties settings, java.io.PrintWriter out, java.io.PrintWriter err)
Creates an instance of a JDO enhancer.

FilterEnhancer(Model metaData, java.util.Properties settings, java.io.PrintWriter out, java.io.PrintWriter err)
Creates an instance of a JDO enhancer.

FilterEnhancer(java.util.Properties metaData, java.util.Properties settings, java.io.PrintWriter out, java.io.PrintWriter err)
Creates an instance of a JDO enhancer.

Method Summary

boolean	enhanceClassFile(java.io.InputStream in, java.io.OutputStream out) Enhances a given class according to the JDO meta-data.
boolean	enhanceClassFile(java.io.InputStream inByteCode, OutputStreamWrapper outByteCode) Enhances a given class according to the JDO meta-data.
protected void	init(JDOMetaData metaData, java.util.Properties settings, java.io.PrintWriter out, java.io.PrintWriter err) Initializes an instance of a JDO enhancer.

Methods inherited from class com.sun.jdo.api.persistence.enhancer.util.Support

getI18N, getI18N, getI18N, getI18N, getI18N, getI18N

Methods inherited from class com.sun.jdo.api.persistence.enhancer.util.Assertion

affirm, affirm, affirm, affirm

Methods inherited from class java.lang.Object

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

Field Detail

DO_SIMPLE_TIMING

public static final java.lang.String DO_SIMPLE_TIMING

See Also:

Constant Field Values

VERBOSE_LEVEL

public static final java.lang.String VERBOSE_LEVEL

See Also:

Constant Field Values

VERBOSE_LEVEL_QUIET

public static final java.lang.String VERBOSE_LEVEL_QUIET

See Also:

Constant Field Values

VERBOSE_LEVEL_WARN

public static final java.lang.String VERBOSE_LEVEL_WARN

See Also:

Constant Field Values

VERBOSE_LEVEL_VERBOSE

public static final java.lang.String VERBOSE_LEVEL_VERBOSE

See Also:

Constant Field Values

VERBOSE_LEVEL_DEBUG

public static final java.lang.String VERBOSE_LEVEL_DEBUG

See Also:

Constant Field Values

Constructor Detail

FilterEnhancer

public FilterEnhancer(JDOMetaData metaData,
                      java.util.Properties settings,
                      java.io.PrintWriter out,
                      java.io.PrintWriter err)
               throws EnhancerUserException,
                      EnhancerFatalError

Creates an instance of a JDO enhancer.

Parameters:

metaData - the JDO meta-data object

settings - enhancement properties

out - standard ouput stream for the enhancer

Throws:

EnhancerUserException

EnhancerFatalError

FilterEnhancer

public FilterEnhancer(java.util.Properties metaData,
                      java.util.Properties settings,
                      java.io.PrintWriter out,
                      java.io.PrintWriter err)
               throws EnhancerUserException,
                      EnhancerFatalError

Creates an instance of a JDO enhancer.

Parameters:

metaData - the JDO meta-data properties

settings - enhancement properties

out - standard ouput stream for the enhancer

Throws:

EnhancerUserException

EnhancerFatalError

FilterEnhancer

public FilterEnhancer(Model metaData,
                      java.util.Properties settings,
                      java.io.PrintWriter out,
                      java.io.PrintWriter err)
               throws EnhancerUserException,
                      EnhancerFatalError

Creates an instance of a JDO enhancer.

Parameters:

metaData - the JDO model

settings - enhancement properties

out - standard ouput stream for the enhancer

Throws:

EnhancerUserException

EnhancerFatalError

Method Detail

init

protected void init(JDOMetaData metaData,
                    java.util.Properties settings,
                    java.io.PrintWriter out,
                    java.io.PrintWriter err)
             throws EnhancerUserException,
                    EnhancerFatalError

Initializes an instance of a JDO enhancer.

Parameters:

metaData - the JDO meta-data object

settings - enhancement properties

out - standard ouput stream for the enhancer

Throws:

EnhancerUserException

EnhancerFatalError

enhanceClassFile

public boolean enhanceClassFile(java.io.InputStream inByteCode,
                                OutputStreamWrapper outByteCode)
                         throws EnhancerUserException,
                                EnhancerFatalError

Enhances a given class according to the JDO meta-data.

Specified by:

enhanceClassFile in interface ByteCodeEnhancer

Parameters:

inByteCode - The byte-code of the class to be enhanced.

outByteCode - The byte-code of the enhanced class.

Returns:

true if the class has been enhanced, false otherwise.

Throws:

EnhancerUserException

EnhancerFatalError

enhanceClassFile

public boolean enhanceClassFile(java.io.InputStream in,
                                java.io.OutputStream out)
                         throws EnhancerUserException,
                                EnhancerFatalError

Description copied from interface: ByteCodeEnhancer

Enhances a given class according to the JDO meta-data. If the input class has been enhanced or not - the output stream is always written, either with the enhanced class or with the non-enhanced class.

Specified by:

enhanceClassFile in interface ByteCodeEnhancer

Parameters:

in - The byte-code of the class to be enhanced.

out - The byte-code of the enhanced class.

Returns:

true if the class has been enhanced, false otherwise.

Throws:

EnhancerUserException

EnhancerFatalError