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## org.biojavax
Class SimpleDocRef

    java.lang.Object
      org.biojava.utils.AbstractChangeable
          org.biojavax.SimpleDocRef

All Implemented Interfaces:
  Comparable, Changeable, DocRef

    public class SimpleDocRef

extends AbstractChangeable
implements DocRef

A basic DocRef implementation.

Since:
  1.5
Author:
  Richard Holland, Mark Schreiber, George Waldon

Field Summary

Fields inherited from interface org.biojavax.DocRef
`CROSSREF, REMARK`

Constructor Summary
`protected` | `SimpleDocRef()`
`` | `SimpleDocRef(List authors, String location)` Creates a new document reference from the given immutable authors and location and title.
`` | `SimpleDocRef(List authors, String location, String title)` Creates a new document reference from the given immutable authors and location and title.
`` | `SimpleDocRef(String authors, String location)` Creates a new document reference from the given immutable authors and location and title.
`` | `SimpleDocRef(String authors, String location, String title)` Creates a new document reference from the given immutable authors and location and title.

Method Summary
`int` | `compareTo(Object o)` Document references are compared first by author, then by location, then by title.
`boolean` | `equals(Object obj)` Document references are equal if they have the same author and location and title.
`List` | `getAuthorList()` Returns the authors of the document reference as a set of DocRefAuthor implementation instances.
`String` | `getAuthors()` Returns the authors of the document reference.
`String` | `getCRC()` Returns a CRC64 checksum of this document reference, allowing for easy comparisons with other document references. The string to be checksummed is constructed by concatenating the authors, title, and location in that order, with no space between.
`CrossRef` | `getCrossref()` The document reference may refer to an object in another database.
`Integer` | `getId()` Gets the Hibernate ID.
`String` | `getLocation()` Returns a textual description of the document reference.
`String` | `getRemark()` If remarks have been made about this document reference, this method will return them.
`String` | `getTitle()` Returns the title of the document reference.
`int` | `hashCode()`
`void` | `setCrossref(CrossRef crossref)` The document reference may refer to an object in another database.
`void` | `setId(Integer id)` Sets the Hibernate ID.
`void` | `setRemark(String remark)` Set the remarks for this document reference using this method.
`String` | `toString()` Form: "authors; location"

Methods inherited from class org.biojava.utils.AbstractChangeable
`addChangeListener, addChangeListener, generateChangeSupport, getChangeSupport, hasListeners, hasListeners, isUnchanging, removeChangeListener, removeChangeListener`

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

Methods inherited from interface org.biojava.utils.Changeable
`addChangeListener, addChangeListener, isUnchanging, removeChangeListener, removeChangeListener`

Constructor Detail

### SimpleDocRef

    public SimpleDocRef(List authors,
                        String location)

  Creates a new document reference from the given immutable authors and location and title. Will throw exceptions if either authors or location are null, but a null title is allowable.

  Parameters:
    `authors` - The authors of the referenced document, as a set of DocRefAuthor instances.
    `location` - The location of the document, eg. the journal name and page range.

### SimpleDocRef

    public SimpleDocRef(String authors,
                        String location)

  Creates a new document reference from the given immutable authors and location and title. Will throw exceptions if either authors or location are null, but a null title is allowable.

  Parameters:
    `authors` - The authors of the referenced document, as a string to be parsed with `DocRefAuthor.Tools.parseAuthorString(String)`.
    `location` - The location of the document, eg. the journal name and page range.

### SimpleDocRef

    public SimpleDocRef(String authors,
                        String location,
                        String title)

  Creates a new document reference from the given immutable authors and location and title. Will throw exceptions if either authors or location are null, but a null title is allowable.

  Parameters:
    `authors` - The authors of the referenced document, as a string to be parsed with `DocRefAuthor.Tools.parseAuthorString(String)`.
    `location` - The location of the document, eg. the journal name and page range.
    `title` - The title of the document.

### SimpleDocRef

    public SimpleDocRef(List authors,
                        String location,
                        String title)

  Creates a new document reference from the given immutable authors and location and title. Will throw exceptions if either authors or location are null, but a null title is allowable.

  Parameters:
    `authors` - The authors of the referenced document, as a set of DocRefAuthor instances.
    `location` - The location of the document, eg. the journal name and page range.
    `title` - The title of the document.

### SimpleDocRef

    protected SimpleDocRef()

Method Detail

### setRemark

    public void setRemark(String remark)
                   throws ChangeVetoException

  Set the remarks for this document reference using this method. Remarks can be anything, it is derived from the equivalent field in the GenBank format.

  Specified by:
    `setRemark` in interface `DocRef`
  Parameters:
    `remark` - New value of property Remark.
  Throws:
    `ChangeVetoException` - in case of objections.

### setCrossref

    public void setCrossref(CrossRef crossref)
                     throws ChangeVetoException

  The document reference may refer to an object in another database. Use this method to set that reference. Null will unset it.

  Specified by:
    `setCrossref` in interface `DocRef`
  Parameters:
    `crossref` - New value of property crossref.
  Throws:
    `ChangeVetoException` - in case of objections.

### getAuthors

    public String getAuthors()

  Returns the authors of the document reference. It will usually be in the form "Jones H., Bloggs J et al" or similar - a human-readable text value. Editors will have (ed.) appended, consortiums will have (consortium) appended.

  Specified by:
    `getAuthors` in interface `DocRef`
  Returns:
    Value of property authors.

### getAuthorList

    public List getAuthorList()

  Returns the authors of the document reference as a set of DocRefAuthor implementation instances. This field is immutable so should be set using the constructor of the implementing class.

  Specified by:
    `getAuthorList` in interface `DocRef`
  Returns:
    The set of authors.

### getCRC

    public String getCRC()

  Returns a CRC64 checksum of this document reference, allowing for easy comparisons with other document references. The string to be checksummed is constructed by concatenating the authors, title, and location in that order, with no space between. If any values are null they are substituted with the text "<undef>".

  Specified by:
    `getCRC` in interface `DocRef`
  Returns:
    Value of property CRC.
  See Also:
    `CRC64Checksum`

### getRemark

    public String getRemark()

  If remarks have been made about this document reference, this method will return them.

  Specified by:
    `getRemark` in interface `DocRef`
  Returns:
    Value of property Remark.

### getCrossref

    public CrossRef getCrossref()

  The document reference may refer to an object in another database. If so, this method will return that reference.

  Specified by:
    `getCrossref` in interface `DocRef`
  Returns:
    Value of property crossref.

### getLocation

    public String getLocation()

  Returns a textual description of the document reference. This field is immutable so should be set using the constructor of the implementing class.

  Specified by:
    `getLocation` in interface `DocRef`
  Returns:
    Value of property location.

### getTitle

    public String getTitle()

  Returns the title of the document reference.

  Specified by:
    `getTitle` in interface `DocRef`
  Returns:
    Value of property title.

### compareTo

    public int compareTo(Object o)

  Document references are compared first by author, then by location, then by title. If Author and location are equal and this title is null, and theirs isn't, then this will return -1. For symmetry if our title is not null and theirs is then we return 1. If both are null then we return 0.

  Specified by:
    `compareTo` in interface `Comparable`

### equals

    public boolean equals(Object obj)

  Document references are equal if they have the same author and location and title.

  Overrides:
    `equals` in class `Object`

### hashCode

    public int hashCode()

  Overrides:
    `hashCode` in class `Object`

### toString

    public String toString()

  Form: "authors; location"

  Overrides:
    `toString` in class `Object`

### getId

    public Integer getId()

  Gets the Hibernate ID. Should be used with caution.

  Returns:
    the Hibernate ID, if using Hibernate.

### setId

    public void setId(Integer id)

  Sets the Hibernate ID. Should be used with caution.

  Parameters:
    `id` - the Hibernate ID, if using Hibernate.

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