org.basex.query.value.item
Class GDt

java.lang.Object
  extended by org.basex.data.ExprInfo
      extended by org.basex.query.expr.Expr
          extended by org.basex.query.value.Value
              extended by org.basex.query.value.item.Item
                  extended by org.basex.query.value.item.ADateDur
                      extended by org.basex.query.value.item.ADate
                          extended by org.basex.query.value.item.GDt
All Implemented Interfaces:
java.lang.Iterable<Item>

public final class GDt
extends ADate

Simple date item, used for xs:gYearMonth, xs:gYear, xs:gMonthDay, xs:gDay and xs:gMonth.

Author:
BaseX Team 2005-12, BSD License, Christian Gruen

Nested Class Summary
 
Nested classes/interfaces inherited from class org.basex.query.expr.Expr
Expr.Flag
 
Field Summary
 
Fields inherited from class org.basex.query.value.item.ADate
day, DAYS, DD, df, hou, min, mon, yea, YEAR, zon, ZONE
 
Fields inherited from class org.basex.query.value.item.ADateDur
BD100, BD1000, BD146097, BD1461, BD153, BD2, BD3600, BD365, BD36524, BD36525, BD366, BD4, BD5, BD60, BDMAXLONG, DAYSECONDS, sec
 
Fields inherited from class org.basex.query.value.item.Item
score, UNDEF
 
Fields inherited from class org.basex.query.value.Value
type
 
Constructor Summary
GDt(ADate d, Type t)
          Constructor.
GDt(byte[] d, Type t, InputInfo ii)
          Constructor.
 
Method Summary
 int diff(Item it, Collation coll, InputInfo ii)
          Returns the difference between the current and the specified item.
 byte[] string(InputInfo ii)
          Returns a string representation of the value.
 void timeZone(DTDur tz, boolean d, InputInfo ii)
          Adjusts the timezone.
 
Methods inherited from class org.basex.query.value.item.ADate
calc, day, days, dpm, eq, hash, hou, min, mon, prefix, sec, toJava, toString, tz, yea, zon, zone
 
Methods inherited from class org.basex.query.value.item.ADateDur
dateErr, toDecimal, toLong
 
Methods inherited from class org.basex.query.value.item.Item
bool, castErr, comparable, dbl, dec, description, ebv, equiv, flt, homogeneous, input, isItem, item, itemAt, iter, iterable, itr, materialize, plan, score, score, size, test, type, typeId, writeTo, xdmInfo
 
Methods inherited from class org.basex.query.value.Value
accept, cache, checkUp, compile, copy, count, data, exprSize, has, inline, isValue, iter, iterator, removable, serialize, value
 
Methods inherited from class org.basex.query.expr.Expr
addText, compEbv, copy, hasFreeVars, indexAccessible, indexEquivalent, inlineAll, isEmpty, isFunction, isVacuous, markTailCalls, optimize, sameAs, uses, visitAll
 
Methods inherited from class org.basex.data.ExprInfo
addPlan, addPlan, info, planAttr, planElem
 
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
 

Constructor Detail

GDt

public GDt(ADate d,
           Type t)
Constructor.

Parameters:
d - date
t - data type

GDt

public GDt(byte[] d,
           Type t,
           InputInfo ii)
    throws QueryException
Constructor.

Parameters:
d - date
t - data type
ii - input info
Throws:
QueryException - query exception
Method Detail

timeZone

public void timeZone(DTDur tz,
                     boolean d,
                     InputInfo ii)
              throws QueryException
Description copied from class: ADate
Adjusts the timezone.

Specified by:
timeZone in class ADate
Parameters:
tz - timezone
d - indicates if zone has been specified (can be null)
ii - input info
Throws:
QueryException - query exception

diff

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

Overrides:
diff in class ADate
Parameters:
it - item to be compared
coll - query context
ii - input info
Returns:
difference
Throws:
QueryException - query exception

string

public byte[] string(InputInfo ii)
Description copied from class: Item
Returns a string representation of the value.

Overrides:
string in class ADate
Parameters:
ii - input info, use null if none is available
Returns:
string value