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java.lang.Objectorg.basex.query.ExprInfo
org.basex.query.util.Functions
public final class Functions
Global expression context.
Constructor Summary | |
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Functions()
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Method Summary | |
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int |
add(Func fun)
Adds a local function. |
void |
check()
Checks if all functions have been correctly initialized. |
void |
comp(QueryContext ctx)
Compiles the functions. |
void |
funError(QNm name)
Finds similar function names and throws an error message. |
Func |
get(int id)
Returns the function with the specified id. |
Expr |
get(QNm name,
Expr[] args,
QueryContext ctx)
Returns the specified function. |
void |
plan(Serializer ser)
Recursively sends the abstract syntax of this expression to the specified serializer. |
String |
toString()
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Methods inherited from class org.basex.query.ExprInfo |
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color, info, name |
Methods inherited from class java.lang.Object |
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equals, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Constructor Detail |
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public Functions()
Method Detail |
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public Func get(int id)
id
- function id
public Expr get(QNm name, Expr[] args, QueryContext ctx) throws QueryException
name
- name of the functionargs
- optional argumentsctx
- query context
QueryException
- query exceptionpublic int add(Func fun) throws QueryException
fun
- function instance
QueryException
- query exceptionpublic void comp(QueryContext ctx) throws QueryException
ctx
- query context
QueryException
- query exceptionpublic void check() throws QueryException
QueryException
- query exceptionpublic void funError(QNm name) throws QueryException
name
- function name
QueryException
- query exceptionpublic void plan(Serializer ser) throws IOException
ExprInfo
plan
in class ExprInfo
ser
- serializer
IOException
- I/O exceptionpublic String toString()
toString
in class ExprInfo
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