org.basex.query.value.item
Class Jav

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.Jav
All Implemented Interfaces:
java.lang.Iterable<Item>

public final class Jav
extends Item

Java item.

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.Item
score, UNDEF
 
Fields inherited from class org.basex.query.value.Value
type
 
Constructor Summary
Jav(java.lang.Object o, QueryContext ctx)
          Constructor.
 
Method Summary
 boolean bool(InputInfo ii)
          Returns a boolean representation of the value.
 int diff(Item it, Collation coll, InputInfo ii)
          Returns the difference between the current and the specified item.
 boolean eq(Item it, Collation coll, InputInfo ii)
          Checks the items for equality.
 Str materialize(InputInfo ii)
          Materializes streamable values, or returns a self reference.
 byte[] string(InputInfo ii)
          Returns a string representation of the value.
 java.lang.Object toJava()
          Returns a Java representation of the value.
 java.lang.String toString()
           
 
Methods inherited from class org.basex.query.value.item.Item
castErr, comparable, dbl, dec, description, ebv, equiv, flt, hash, homogeneous, input, isItem, item, itemAt, iter, iterable, itr, 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

Jav

public Jav(java.lang.Object o,
           QueryContext ctx)
Constructor.

Parameters:
o - value
ctx - query context
Method Detail

string

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

Specified by:
string in class Item
Parameters:
ii - input info, use null if none is available
Returns:
string value
Throws:
QueryException - if the item can't be atomized

materialize

public Str materialize(InputInfo ii)
                throws QueryException
Description copied from class: Item
Materializes streamable values, or returns a self reference.

Overrides:
materialize in class Item
Parameters:
ii - input info
Returns:
materialized item
Throws:
QueryException - query exception

bool

public boolean bool(InputInfo ii)
Description copied from class: Item
Returns a boolean representation of the value.

Overrides:
bool in class Item
Parameters:
ii - input info
Returns:
boolean value

eq

public boolean eq(Item it,
                  Collation coll,
                  InputInfo ii)
           throws QueryException
Description copied from class: Item
Checks the items for equality.

Specified by:
eq in class Item
Parameters:
it - item to be compared
coll - collation
ii - input info
Returns:
result of check
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 Item
Parameters:
it - item to be compared
coll - query context
ii - input info
Returns:
difference
Throws:
QueryException - query exception

toJava

public java.lang.Object toJava()
Description copied from class: Value
Returns a Java representation of the value.

Specified by:
toJava in class Value
Returns:
Java object

toString

public java.lang.String toString()
Specified by:
toString in class ExprInfo