org.basex.query.item
Class YMd

java.lang.Object
  extended by org.basex.query.ExprInfo
      extended by org.basex.query.expr.Expr
          extended by org.basex.query.item.Item
              extended by org.basex.query.item.Dur
                  extended by org.basex.query.item.YMd

public final class YMd
extends Dur

YearMonth Duration item.

Author:
Workgroup DBIS, University of Konstanz 2005-10, ISC License, Christian Gruen

Nested Class Summary
 
Nested classes/interfaces inherited from class org.basex.query.expr.Expr
Expr.Use
 
Field Summary
 
Fields inherited from class org.basex.query.item.Item
score, type
 
Constructor Summary
YMd(Dur it, double f, boolean m)
          Constructor.
YMd(YMd it, YMd a, boolean p)
          Constructor.
 
Method Summary
 int diff(Item it)
          Returns the difference between the current and the specified item.
 int hashCode()
           
 byte[] str()
          Returns an atomized string.
 int ymd()
          Returns the years and months.
 
Methods inherited from class org.basex.query.item.Dur
day, eq, hou, java, min, mon, sec, tim, toString, yea
 
Methods inherited from class org.basex.query.item.Item
atomic, bool, comp, d, dbl, dec, duplicates, ebv, flt, i, iter, iter, itr, n, name, node, plan, removable, returned, s, score, score, serialize, size, test, u, uses
 
Methods inherited from class org.basex.query.expr.Expr
addText, checkCtx, checkDbl, checkItr, e, indexAccessible, indexEquivalent, remove, sameAs, v
 
Methods inherited from class org.basex.query.ExprInfo
color, info
 
Methods inherited from class java.lang.Object
equals, getClass, notify, notifyAll, wait, wait, wait
 

Constructor Detail

YMd

public YMd(YMd it,
           YMd a,
           boolean p)
Constructor.

Parameters:
it - duration item
a - duration to be added/subtracted
p - plus/minus flag

YMd

public YMd(Dur it,
           double f,
           boolean m)
    throws QueryException
Constructor.

Parameters:
it - duration item
f - factor
m - multiplication/division flag
Throws:
QueryException - query exception
Method Detail

ymd

public int ymd()
Returns the years and months.

Returns:
year

str

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

Overrides:
str in class Dur
Returns:
string representation

diff

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

Overrides:
diff in class Dur
Parameters:
it - item to be compared
Returns:
difference
Throws:
QueryException - query exception

hashCode

public int hashCode()
Overrides:
hashCode in class Dur