org.apache.manifoldcf.crawler.jobs
Class Carrydown.ResultDuplicateEliminator

java.lang.Object
  org.apache.manifoldcf.crawler.jobs.Carrydown.ResultDuplicateEliminator

All Implemented Interfaces:

ILimitChecker

Enclosing class:

Carrydown

protected static class Carrydown.ResultDuplicateEliminator
extends java.lang.Object
implements ILimitChecker

Limit checker which removes duplicate rows, based on datavaluehash

Field Summary

protected java.lang.String

currentDataHashValue

Fields inherited from interface org.apache.manifoldcf.core.interfaces.ILimitChecker

_rcsid

Constructor Summary

Carrydown.ResultDuplicateEliminator()

Method Summary

boolean	checkContinue() See if we should examine another row.
boolean	checkInclude(IResultRow row) See if a result row should be included in the final result set.
boolean	doesCompareWork() See if this class can be legitimately compared against another of the same type.
ILimitChecker	duplicate() Create a duplicate of this class instance.
boolean	equals(java.lang.Object object) Compare two objects and see if equal.
int	hashCode() Find the hashcode for this class.

Methods inherited from class java.lang.Object

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

Field Detail

currentDataHashValue

protected java.lang.String currentDataHashValue

Constructor Detail

Carrydown.ResultDuplicateEliminator

public Carrydown.ResultDuplicateEliminator()

Method Detail

doesCompareWork

public boolean doesCompareWork()

Description copied from interface: ILimitChecker

See if this class can be legitimately compared against another of the same type.

Specified by:

doesCompareWork in interface ILimitChecker

Returns:

true if comparisons will ever return "true".

duplicate

public ILimitChecker duplicate()

Description copied from interface: ILimitChecker

Create a duplicate of this class instance. All current state should be preserved.

Specified by:

duplicate in interface ILimitChecker

Returns:

the duplicate.

hashCode

public int hashCode()

Description copied from interface: ILimitChecker

Find the hashcode for this class. This will only ever be used if doesCompareWork() returns true.

Specified by:

hashCode in interface ILimitChecker

Overrides:

hashCode in class java.lang.Object

Returns:

the hashcode.

equals

public boolean equals(java.lang.Object object)

Description copied from interface: ILimitChecker

Compare two objects and see if equal. This will only ever be used if doesCompareWork() returns true.

Specified by:

equals in interface ILimitChecker

Overrides:

equals in class java.lang.Object

Parameters:

object - is the object to compare against.

Returns:

true if equal.

checkInclude

public boolean checkInclude(IResultRow row)
                     throws ManifoldCFException

See if a result row should be included in the final result set.

Specified by:

checkInclude in interface ILimitChecker

Parameters:

row - is the result row to check.

Returns:

true if it should be included, false otherwise.

Throws:

ManifoldCFException

checkContinue

public boolean checkContinue()
                      throws ManifoldCFException

See if we should examine another row.

Specified by:

checkContinue in interface ILimitChecker

Returns:

true if we need to keep going, or false if we are done.

Throws:

ManifoldCFException