org.basex.query.item
Class YMd

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

public final class YMd
extends Dur

YearMonth Duration item.

Author:

Workgroup DBIS, University of Konstanz 2005-09, ISC License, Christian Gruen

Field Summary

Fields inherited from class org.basex.query.item.Item

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	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.item.Dur

day, eq, hou, java, min, mon, sec, tim, toString, yea

Methods inherited from class org.basex.query.item.Item

atomic, bool, castErr, comp, d, dbl, dec, duplicates, ebv, flt, i, iter, iter, itr, n, name, node, plan, removable, returned, s, score, score, serialize, test, u, uses

Methods inherited from class org.basex.query.expr.Expr

addText, checkCtx, checkDbl, checkItr, e, indexAccessible, indexEquivalent, remove, sameAs, size

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(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 - 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 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 - evaluation exception