org.apache.hadoop.hive.ant
Class DistinctElementsClassPath

java.lang.Object
  org.apache.tools.ant.ProjectComponent
      org.apache.tools.ant.types.DataType
          org.apache.tools.ant.types.Path
              org.apache.hadoop.hive.ant.DistinctElementsClassPath

All Implemented Interfaces:

Cloneable, org.apache.tools.ant.types.ResourceCollection

public class DistinctElementsClassPath
extends org.apache.tools.ant.types.Path

This object represents a path as used by CLASSPATH or PATH environment variable. String representation of this object returns the path with unique elements to reduce the chances of exceeding the character limit problem on windows by removing if there are duplicate files(JARs) in the original class path.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.tools.ant.types.Path

org.apache.tools.ant.types.Path.PathElement

Field Summary

Fields inherited from class org.apache.tools.ant.types.Path

systemBootClasspath, systemClasspath

Fields inherited from class org.apache.tools.ant.types.DataType

checked, ref

Fields inherited from class org.apache.tools.ant.ProjectComponent

description, location, project

Constructor Summary

DistinctElementsClassPath(org.apache.tools.ant.Project project)
Construct an empty Path.

DistinctElementsClassPath(org.apache.tools.ant.Project p, String path)
Invoked by IntrospectionHelper for setXXX(Path p) attribute setters.

Method Summary

String[]	list() Returns the list of path elements after removing the duplicate files from the original Path
String	toString() Returns a textual representation of the path after removing the duplicate files from the original Path.

Methods inherited from class org.apache.tools.ant.types.Path

add, add, addDirset, addExisting, addExisting, addExtdirs, addFilelist, addFileset, addJavaRuntime, append, assertFilesystemOnly, clone, concatSystemBootClasspath, concatSystemClasspath, concatSystemClasspath, createPath, createPathElement, delegateIteratorToList, dieOnCircularReference, isFilesystemOnly, iterator, setCache, setLocation, setPath, setRefid, size, translateFile, translateFileSep, translatePath

Methods inherited from class org.apache.tools.ant.types.DataType

checkAttributesAllowed, checkChildrenAllowed, circularReference, dieOnCircularReference, dieOnCircularReference, getCheckedRef, getCheckedRef, getCheckedRef, getCheckedRef, getDataTypeName, getRefid, invokeCircularReferenceCheck, isChecked, isReference, noChildrenAllowed, pushAndInvokeCircularReferenceCheck, setChecked, tooManyAttributes

Methods inherited from class org.apache.tools.ant.ProjectComponent

getDescription, getLocation, getProject, log, log, setDescription, setLocation, setProject

Methods inherited from class java.lang.Object

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

Constructor Detail

DistinctElementsClassPath

public DistinctElementsClassPath(org.apache.tools.ant.Project p,
                                 String path)

Invoked by IntrospectionHelper for setXXX(Path p) attribute setters.

Parameters:

p - the Project for this path.

path - the String path definition.

DistinctElementsClassPath

public DistinctElementsClassPath(org.apache.tools.ant.Project project)

Construct an empty Path.

Parameters:

project - the Project for this path.

Method Detail

list

public String[] list()

Returns the list of path elements after removing the duplicate files from the original Path

Overrides:

list in class org.apache.tools.ant.types.Path

toString

public String toString()

Returns a textual representation of the path after removing the duplicate files from the original Path.

Overrides:

toString in class org.apache.tools.ant.types.Path