QIviAbstractQueryTerm Class
The base class of all query terms. More...
| Header: | #include <QIviAbstractQueryTerm> |
| qmake: | QT += ivicore |
| Inherited By: |
Public Types
| enum | Type { FilterTerm, ConjunctionTerm, ScopeTerm } |
Public Functions
Detailed Description
Following terms are supported:
The representation of a conjunction between two query terms | |
The representation of a filter | |
The representation of a scope which can hold another term |
See Qt IVI Query Language for how it can be used.
Member Type Documentation
enum QIviAbstractQueryTerm::Type
| Constant | Value | Description |
|---|---|---|
QIviAbstractQueryTerm::FilterTerm | 0 | A filter term stands for a filter which checks a specific identifier against a given value. |
QIviAbstractQueryTerm::ConjunctionTerm | 1 | A conjunction term can combine multiple terms together, either by a OR or an AND conjunction. |
QIviAbstractQueryTerm::ScopeTerm | 2 | A scope term is used to group terms together, e.g. to apply a negation to a group. |
Member Function Documentation
[pure virtual] QString QIviAbstractQueryTerm::toString() const
Returns a string representation of the query.
[pure virtual] QIviAbstractQueryTerm::Type QIviAbstractQueryTerm::type() const
Returns the type of this query term.
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