FnHighest (BaseX Core 10.6 API)

java.lang.Object
- org.basex.query.expr.ExprInfo
- - org.basex.query.expr.Expr
  - - org.basex.query.expr.ParseExpr
    - - org.basex.query.expr.Arr
      - org.basex.query.func.StandardFunc
        
        org.basex.query.func.fn.FnLowest
        
        org.basex.query.func.fn.FnHighest

```
public final class FnHighest
extends FnLowest
```
Function implementation.

Author:

BaseX Team 2005-23, BSD License, Christian Gruen

Field Summary
- Fields inherited from class org.basex.query.func.StandardFunc
  definition, sc
- Fields inherited from class org.basex.query.expr.Arr
  exprs
- Fields inherited from class org.basex.query.expr.ParseExpr
  exprType, info

Constructor Summary

Constructors
Constructor Description

FnHighest()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`protected Expr`	`opt(CompileContext cc)`	Performs function specific optimizations.
`Value`	`value(QueryContext qc)`	Evaluates the expression and returns the resulting value.

Methods inherited from class org.basex.query.func.fn.FnLowest
has

Methods inherited from class org.basex.query.func.StandardFunc
checkPerm, coerceFunc, compileData, copy, dataLock, defined, description, embed, equals, optFirst, optFirst, optimize, serialize, simplifyArgs, toBaseUri, toBindings, toCollation, toCollationOrDefault, toContent, toContent, toData, toDate, toDBNode, toEncodingOrNull, toFunction, toFunction, toIO, toIO, toMs, toName, toNodeOrAtomItem, toOptions, toOptions, toPath, toPath, toStr, toString, toXml, toZeroStr, updating, vacuous

Methods inherited from class org.basex.query.expr.Arr
accept, allAreValues, arg, args, checkUp, compile, copyAll, count, exprSize, flatten, inline, inlineable, mayBePositional, removeEmpty, simplifyAll

Methods inherited from class org.basex.query.expr.ParseExpr
adoptType, atomValue, checkAllUp, checkNoEmpty, checkNoEmpty, checkNoneUp, checkNoUp, checkType, checkType, checkUp, copyType, ctxValue, data, ebv, info, item, iter, refineType, seqType, size, test, toArray, toArray, toAtomItem, toB64, toB64, toB64OrNull, toBin, toBin, toBoolean, toBoolean, toBooleanOrFalse, toBytes, toBytes, toDouble, toDouble, toElem, toElem, toFloat, toFunction, toItem, toItem, toLong, toLong, toMap, toMap, toNode, toNode, toNodeOrNull, toNumber, toNumberOrNull, toQNm, toQNmOrNull, toString, toString, toStringOrNull, toToken, toToken, toTokenOrNull, toZeroToken

Methods inherited from class org.basex.query.expr.Expr
arg, atomItem, atomIter, ddo, funcType, hasFreeVars, indexAccessible, isSimple, markTailCalls, mergeEbv, optimizePos, simplify, simplifyFor, typeCheck, uses, visitAll

Methods inherited from class org.basex.query.expr.ExprInfo
toErrorString, toString

Methods inherited from class java.lang.Object
clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

- Constructor Detail
  - FnHighest
```
public FnHighest()
```
- Method Detail
  - value
```
public Value value(QueryContext qc)
            throws QueryException
```
    Description copied from class: Expr
    
    Evaluates the expression and returns the resulting value. If this method is not implemented, Expr.item(QueryContext, InputInfo) must be implemented instead.
    
    Overrides:
    
    value in class FnLowest
    
    Parameters:
    
    qc - query context
    
    Returns:
    
    value
    
    Throws:
    
    QueryException - query exception
  - opt
```
protected Expr opt(CompileContext cc)
            throws QueryException
```
    Description copied from class: StandardFunc
    
    Performs function specific optimizations.
    
    Overrides:
    
    opt in class FnLowest
    
    Parameters:
    
    cc - compilation context
    
    Returns:
    
    optimized or original expression
    
    Throws:
    
    QueryException - query exception