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## org.basex.query.expr
Class CComm

    java.lang.Object
      org.basex.query.ExprInfo
          org.basex.query.expr.Expr
              org.basex.query.expr.Arr
                  org.basex.query.expr.CFrag
                      org.basex.query.expr.CComm

    public final class CComm

extends CFrag

Comment fragment.

Author:
  Workgroup DBIS, University of Konstanz 2005-09, ISC License, Christian Gruen

Nested Class Summary

Nested classes/interfaces inherited from class org.basex.query.expr.Expr
`Expr.Use`

Field Summary

Fields inherited from class org.basex.query.expr.Arr
`expr`

Constructor Summary
`CComm(Expr c)` Constructor.

Method Summary
`Item` | `atomic(QueryContext ctx)` Evaluates the expression and returns the resulting item or a `null` reference.
`java.lang.String` | `info()` Returns a string description of the expression.
`java.lang.String` | `toString()`

Methods inherited from class org.basex.query.expr.CFrag
`returned, uses`

Methods inherited from class org.basex.query.expr.Arr
`comp, duplicates, indexEquivalent, plan, removable, remove`

Methods inherited from class org.basex.query.expr.Expr
`addText, checkCtx, checkDbl, checkItr, e, ebv, i, indexAccessible, iter, sameAs, size, test`

Methods inherited from class org.basex.query.ExprInfo
`color, name`

Methods inherited from class java.lang.Object
`equals, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Constructor Detail

### CComm

    public CComm(Expr c)

  Constructor.

  Parameters:
    `c` - comment

Method Detail

### atomic

    public Item atomic(QueryContext ctx)
                throws QueryException

  Description copied from class: `Expr`
  Evaluates the expression and returns the resulting item or a `null` reference. If this method is not overwritten, `Expr.iter(org.basex.query.QueryContext)` must be implemented.

  Overrides:
    `atomic` in class `Expr`
  Parameters:
    `ctx` - query context
  Returns:
    iterator
  Throws:
    `QueryException` - query exception

### info

    public java.lang.String info()

  Description copied from class: `ExprInfo`
  Returns a string description of the expression. Contrary to the `ExprInfo.toString()` method, arguments are not included in the output.

  Overrides:
    `info` in class `ExprInfo`
  Returns:
    result of check

### toString

    public java.lang.String toString()

  Specified by:
    `toString` in class `ExprInfo`

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