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## net.sf.statcvs.model
Class Revision

    java.lang.Object
      net.sf.statcvs.model.Revision

All Implemented Interfaces:
  java.lang.Comparable

    public class Revision

extends java.lang.Object
implements java.lang.Comparable

One revision of a `VersionedFile`. That can be an initial revision (checkin), a change, a deletion, or a re-add. Revisions are created using the methods `VersionedFile.addInitialRevision(java.lang.String, net.sf.statcvs.model.Author, java.util.Date, java.lang.String, int, java.util.SortedSet)`, `VersionedFile.addChangeRevision(java.lang.String, net.sf.statcvs.model.Author, java.util.Date, java.lang.String, int, int, int, java.util.SortedSet)` and `VersionedFile.addDeletionRevision(java.lang.String, net.sf.statcvs.model.Author, java.util.Date, java.lang.String, int, java.util.SortedSet)`. TODO: Replace type code with hierarchy TODO: Rename class to Revision, getAuthor() to getLogin(), isDead() to isDeletion()

Version:
  $Id: Revision.java,v 1.3 2009/08/20 17:44:05 benoitx Exp $
Author:
  Manuel Schulze, Richard Cyganiak

Field Summary
`static int` | `TYPE_BEGIN_OF_LOG` Marks a revision at the very beginning of the log timespan.
`static int` | `TYPE_CHANGE` Marks a revision that changes the file.
`static int` | `TYPE_CREATION` Marks a revision that creates a new file.
`static int` | `TYPE_DELETION` Marks a revision that deletes the file.

Constructor Summary
`Revision(VersionedFile file, java.lang.String revisionNumber, int type, Author author, java.util.Date date, java.lang.String comment, int lines, int linesDelta, int linesReplaced, java.util.SortedSet symbolicNames)` Creates a new revision of a file with the specified revision number.

Method Summary
`int` | `compareTo(java.lang.Object other)` Compares this revision to another revision.
`boolean` | `equals(java.lang.Object rhs)`
`Author` | `getAuthor()` Returns the author of this revision.
`java.lang.String` | `getComment()` Returns the comment for this revision.
`java.util.Date` | `getDate()` Returns the date of this revision.
`int` | `getEffectiveLinesOfCode()` Deprecated. Use `getLines()` instead.
`VersionedFile` | `getFile()` Returns the file which was changed by this revision.
`int` | `getFileCountChange()` Deprecated. Use `getFileCountDelta()` instead.
`int` | `getFileCountDelta()` Returns the change of the file count caused by this revision.
`int` | `getLines()` Returns the number of lines for this revision.
`int` | `getLinesAdded()` Deprecated. Use `getLinesDelta()` and `getReplacedLines()` instead.
`int` | `getLinesDelta()` Returns by how many lines the line count changed with this revision.
`int` | `getLinesOfCode()` Deprecated. Use `getLines()` instead.
`int` | `getLinesOfCodeChange()` Deprecated. Use `getLinesDelta()` instead.
`int` | `getLinesRemoved()` Deprecated. Use `getLinesDelta()` and `getReplacedLines()` instead.
`int` | `getLineValue()` Deprecated. Use `getNewLines()` instead.
`int` | `getNewLines()` Returns the number of "new" lines in this revision.
`Revision` | `getPreviousRevision()` Returns the predecessor of this revision or `null` if it is the first revision for the file.
`int` | `getRemovingValue()` Deprecated. Use `getReplacedLines()` and `getLinesDelta()` instead.
`int` | `getReplacedLines()` Returns the number of lines that were removed and replaced by other lines in this revision.
`java.lang.String` | `getRevision()` Deprecated. Use `getRevisionNumber()` instead.
`java.lang.String` | `getRevisionNumber()` Returns the revision number.
`java.util.SortedSet` | `getSymbolicNames()` Returns a list of `SymbolicName`s of this revision or null if the revision has no symbolic names.
`int` | `hashCode()`
`boolean` | `isBeginOfLog()` Returns `true` if this is a revision at the very beginning of the log timespan which is only a container for the number of code lines at the beginning of the log and not a real revision committed by an author.
`boolean` | `isDead()` Returns `true` if the file is deleted in this revision.
`boolean` | `isInitialRevision()` Returns `true` if the file did not exist before this revision and does exist afterwards.
`java.lang.String` | `toString()`

Methods inherited from class java.lang.Object
`clone, finalize, getClass, notify, notifyAll, wait, wait, wait`

Field Detail

### TYPE_CREATION

    public static final int TYPE_CREATION

  Marks a revision that creates a new file. The file did not exist in the current branch before this revision, and it does exist afterwards. Possibly the file existed before, that is, it was deleted and restored.

  See Also:
    Constant Field Values

### TYPE_CHANGE

    public static final int TYPE_CHANGE

  Marks a revision that changes the file. It does neither create nor delete the file.

  See Also:
    Constant Field Values

### TYPE_DELETION

    public static final int TYPE_DELETION

  Marks a revision that deletes the file. The file existed before, but does not exist afterwards in the current branch.

  See Also:
    Constant Field Values

### TYPE_BEGIN_OF_LOG

    public static final int TYPE_BEGIN_OF_LOG

  Marks a revision at the very beginning of the log timespan. This is only a container for the number of code lines at the beginning of the log. It is not a real revision committed by an author.

  See Also:
    Constant Field Values

Constructor Detail

### Revision

    public Revision(VersionedFile file,
                    java.lang.String revisionNumber,
                    int type,
                    Author author,
                    java.util.Date date,
                    java.lang.String comment,
                    int lines,
                    int linesDelta,
                    int linesReplaced,
                    java.util.SortedSet symbolicNames)

  Creates a new revision of a file with the specified revision number. Should not be called directly. Instead, `VersionedFile.addInitialRevision(java.lang.String, net.sf.statcvs.model.Author, java.util.Date, java.lang.String, int, java.util.SortedSet)` and its sister methods should be used.

  Parameters:
    `file` - VersionedFile that belongs to this revision
    `revisionNumber` - revision number, for example "1.1"
    `type` - a `TYPE_XXX` constant
    `author` - the author of the revision
    `date` - the date of the revision
    `comment` - the author's comment
    `lines` - number of lines; 0 for deletions
    `linesDelta` - by how much did the number of lines change, compared to the previous revision?
    `linesReplaced` - How many lines were removed and replaced by other lines, without the delta changing?
    `symbolicNames` - list of symbolic names for this revision or null if this revision has no symbolic names

Method Detail

### getRevisionNumber

    public java.lang.String getRevisionNumber()

  Returns the revision number.

  Returns:
    the revision number

### getAuthor

    public Author getAuthor()

  Returns the author of this revision.

  Returns:
    the author

### getComment

    public java.lang.String getComment()

  Returns the comment for this revision.

  Returns:
    the comment

### getDate

    public java.util.Date getDate()

  Returns the date of this revision.

  Returns:
    the date

### getLines

    public int getLines()

  Returns the number of lines for this revision. This is 0 for dead revisions.

  Returns:
    the number of lines

### getLinesDelta

    public int getLinesDelta()

  Returns by how many lines the line count changed with this revision. Deletions return `-getLines()`, re-adds and initial revisions return `getLines()`.

  Returns:
    the line count change of this revision

### getReplacedLines

    public int getReplacedLines()

  Returns the number of lines that were removed and replaced by other lines in this revision. For example, if 5 lines were added and 2 lines removed, this would be 3. If 1 line was added and 1 was removed, it would be 1. If it was an initial revision or a deletion, it would be 0.

  Returns:
    the number of lines that were replaced by other lines.

### getNewLines

    public int getNewLines()

  Returns the number of "new" lines in this revision. This is the sum of added and changed lines. In other words, all the "original" lines the author of this revision came up with.

  Returns:
    lines changed or added

### getFileCountDelta

    public int getFileCountDelta()

  Returns the change of the file count caused by this revision. This is 1 for initial revisions and re-adds, -1 for deletions, and 0 for normal revisions.

  Returns:
    the file count change of this revision

### isInitialRevision

    public boolean isInitialRevision()

  Returns `true` if the file did not exist before this revision and does exist afterwards. Possibly the file was deleted before, or it never existed before.

  Returns:
    `true` if the file did not exist before

### isDead

    public boolean isDead()

  Returns `true` if the file is deleted in this revision.

  Returns:
    `true` if the file is deleted in this revision

### isBeginOfLog

    public boolean isBeginOfLog()

  Returns `true` if this is a revision at the very beginning of the log timespan which is only a container for the number of code lines at the beginning of the log and not a real revision committed by an author.

  Returns:
    `true` if this revision exists only for StatCvs bookkeeping purposes

### toString

    public java.lang.String toString()

  Overrides:
    `toString` in class `java.lang.Object`

### getFile

    public VersionedFile getFile()

  Returns the file which was changed by this revision.

  Returns:
    the file

### getPreviousRevision

    public Revision getPreviousRevision()

  Returns the predecessor of this revision or `null` if it is the first revision for the file.

  Returns:
    the predecessor of this revision

### getSymbolicNames

    public java.util.SortedSet getSymbolicNames()

  Returns a list of `SymbolicName`s of this revision or null if the revision has no symbolic names. The list is ordered from latest to oldest.

  Returns:
    list of symbolic names

### compareTo

    public int compareTo(java.lang.Object other)

  Compares this revision to another revision. A revision is considered smaller if its date is smaller. If the dates are identical, the filename, author name, revision number and comment will be used to break the tie.

  Specified by:
    `compareTo` in interface `java.lang.Comparable`

### equals

    public boolean equals(java.lang.Object rhs)

  Overrides:
    `equals` in class `java.lang.Object`

### hashCode

    public int hashCode()

  Overrides:
    `hashCode` in class `java.lang.Object`

### getLinesAdded

    public int getLinesAdded()

  Deprecated. Use `getLinesDelta()` and `getReplacedLines()` instead.

### getLinesRemoved

    public int getLinesRemoved()

  Deprecated. Use `getLinesDelta()` and `getReplacedLines()` instead.

### getLinesOfCode

    public int getLinesOfCode()

  Deprecated. Use `getLines()` instead.

### getEffectiveLinesOfCode

    public int getEffectiveLinesOfCode()

  Deprecated. Use `getLines()` instead.

### getLinesOfCodeChange

    public int getLinesOfCodeChange()

  Deprecated. Use `getLinesDelta()` instead.

### getLineValue

    public int getLineValue()

  Deprecated. Use `getNewLines()` instead.

### getRemovingValue

    public int getRemovingValue()

  Deprecated. Use `getReplacedLines()` and `getLinesDelta()` instead.

### getFileCountChange

    public int getFileCountChange()

  Deprecated. Use `getFileCountDelta()` instead.

### getRevision

    public java.lang.String getRevision()

  Deprecated. Use `getRevisionNumber()` instead.

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