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java.lang.Objectorg.basex.query.ExprInfo
org.basex.query.xquery.expr.Expr
org.basex.query.xquery.item.Item
org.basex.query.xquery.item.Num
org.basex.query.xquery.item.Dbl
public final class Dbl
Double item.
Nested Class Summary |
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Nested classes/interfaces inherited from class org.basex.query.xquery.expr.Expr |
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Expr.Return, Expr.Using |
Field Summary | |
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static Dbl |
NAN
Invalid value. |
static Dbl |
ONE
Zero value. |
static Dbl |
ZERO
Zero value. |
Fields inherited from class org.basex.query.xquery.item.Item |
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type |
Method Summary | |
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boolean |
bool()
Returns a boolean representation of the item. |
double |
dbl()
Returns a double representation of the item. |
java.math.BigDecimal |
dec()
Returns a decimal representation of the item. |
int |
diff(Item it)
Returns the difference between the current and the specified item. |
boolean |
eq(Item it)
Checks the items for equality. |
float |
flt()
Returns a float representation of the item. |
static Dbl |
get(byte[] v)
Returns an instance of this class. |
static Dbl |
get(double d)
Returns an instance of this class. |
int |
hash()
Returns a hash code. |
static Iter |
iter(double v)
Returns an iterator. |
long |
itr()
Returns an integer (long) representation of the item. |
java.lang.Object |
java()
Returns a Java object. |
static double |
parse(byte[] val)
Converts the given token into a double value. |
byte[] |
str()
Returns an atomized string. |
Methods inherited from class org.basex.query.xquery.item.Item |
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castErr, comp, d, i, iter, iter, n, name, node, plan, returned, s, score, score, serialize, size, toString, u, uses |
Methods inherited from class org.basex.query.xquery.expr.Expr |
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e |
Methods inherited from class org.basex.query.ExprInfo |
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color, info |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
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public static final Dbl ZERO
public static final Dbl ONE
public static final Dbl NAN
Method Detail |
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public static Dbl get(double d)
d
- value
public static Iter iter(double v)
v
- double value
public static Dbl get(byte[] v) throws XQException
v
- value
XQException
- evaluation exceptionpublic byte[] str()
Item
str
in class Item
public boolean bool()
Item
bool
in class Item
public long itr()
Item
itr
in class Item
public float flt()
Item
flt
in class Item
public double dbl()
Item
dbl
in class Item
public java.math.BigDecimal dec() throws XQException
Item
dec
in class Item
XQException
- evaluation exceptionpublic boolean eq(Item it) throws XQException
Item
eq
in class Item
it
- item to be compared.
XQException
- evaluation exceptionpublic int diff(Item it) throws XQException
Item
diff
in class Item
it
- item to be compared.
XQException
- evaluation exceptionpublic int hash()
Item
hash
in class Item
public java.lang.Object java()
Item
java
in class Item
public static double parse(byte[] val) throws XQException
val
- value to be converted
XQException
- possible converting exception
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