org.basex.query.xquery.item
Class YMd

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

public final class YMd
extends Dur

YearMonth Duration item.

Author:
Workgroup DBIS, University of Konstanz 2005-08, ISC License, Christian Gruen

Nested Class Summary
 
Nested classes/interfaces inherited from class org.basex.query.xquery.expr.Expr
Expr.Return, Expr.Using
 
Field Summary
 
Fields inherited from class org.basex.query.xquery.item.Item
type
 
Constructor Summary
YMd(byte[] v)
          Constructor.
YMd(Dur it)
          Constructor.
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 hash()
          Returns a hash code.
 byte[] str()
          Returns an atomized string.
 int ymd()
          Returns the years and months.
 
Methods inherited from class org.basex.query.xquery.item.Dur
day, eq, hou, java, min, mon, sec, tim, toString, yea
 
Methods inherited from class org.basex.query.xquery.item.Item
bool, castErr, comp, d, dbl, dec, flt, i, iter, iter, itr, n, name, node, plan, returned, s, score, score, serialize, size, u, uses
 
Methods inherited from class org.basex.query.xquery.expr.Expr
e
 
Methods inherited from class org.basex.query.ExprInfo
color, info
 
Methods inherited from class java.lang.Object
equals, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

YMd

public YMd(Dur it)
Constructor.

Parameters:
it - duration item

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 XQException
Constructor.

Parameters:
it - duration item
f - factor
m - multiplication/division flag
Throws:
XQException - evaluation exception

YMd

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

Parameters:
v - value
Throws:
XQException - evaluation 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

hash

public int hash()
Description copied from class: Item
Returns a hash code.

Overrides:
hash in class Dur
Returns:
hash code

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 Dur
Parameters:
it - item to be compared.
Returns:
difference
Throws:
XQException - evaluation exception