org.basex.query.xquery.item
Class Dur

java.lang.Object
  extended by org.basex.query.xquery.expr.Expr
      extended by org.basex.query.xquery.item.Item
          extended by org.basex.query.xquery.item.Date
              extended by org.basex.query.xquery.item.Dur
Direct Known Subclasses:
DTd, YMd

public class Dur
extends Date

Duration item.

Author:
Workgroup DBIS, University of Konstanz 2005-07, ISC License, Christian Gruen

Field Summary
 
Fields inherited from class org.basex.query.xquery.item.Date
mil, minus, mon, sec, zone, zshift
 
Fields inherited from class org.basex.query.xquery.expr.Expr
type
 
Constructor Summary
Dur(byte[] v)
          Constructor.
Dur(byte[] v, Type t)
          Constructor.
Dur(Dur d)
          Constructor.
Dur(Dur d, Type t)
          Constructor.
 
Method Summary
 boolean d()
          Checks if this is a duration.
 int diff(Item it)
          Returns the difference between the current and the specified item.
 byte[] str()
          Returns an atomized string.
 
Methods inherited from class org.basex.query.xquery.item.Date
diff, dpm, eq, toString
 
Methods inherited from class org.basex.query.xquery.item.Item
bool, castErr, comp, dbl, eval, flt, i, info, iter, itr, serialize, serialize, size
 
Methods inherited from class org.basex.query.xquery.expr.Expr
cls, e, n, node, s, u
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

Dur

public Dur(byte[] v)
    throws XQException
Constructor.

Parameters:
v - value
Throws:
XQException - evaluation exception

Dur

public Dur(byte[] v,
           Type t)
    throws XQException
Constructor.

Parameters:
v - value
t - data type
Throws:
XQException - evaluation exception

Dur

public Dur(Dur d)
Constructor.

Parameters:
d - duration

Dur

public Dur(Dur d,
           Type t)
Constructor.

Parameters:
d - duration
t - data type
Method Detail

d

public final boolean d()
Description copied from class: Expr
Checks if this is a duration.

Overrides:
d in class Expr
Returns:
result of check

diff

public int diff(Item it)
         throws XQException
Description copied from class: Item
Returns the difference between the current and the specified item.

Overrides:
diff in class Date
Parameters:
it - item to be compared.
Returns:
difference
Throws:
XQException - evaluation exception

str

public byte[] str()
Description copied from class: Expr
Returns an atomized string.

Overrides:
str in class Expr
Returns:
string representation