Package org.apache.cassandra.cql3.conditions

Interface Conditions

  • All Known Implementing Classes:
    ColumnConditions
    public interface Conditions
    Conditions that can be applied to a mutation statement.

    • Field Detail

      • EMPTY_CONDITION

        static final Conditions EMPTY_CONDITION
        An EMPTY condition

      • IF_EXISTS_CONDITION

        static final Conditions IF_EXISTS_CONDITION
        IF EXISTS condition

      • IF_NOT_EXISTS_CONDITION

        static final Conditions IF_NOT_EXISTS_CONDITION
        IF NOT EXISTS condition

    • Method Detail

      • addFunctionsTo

        void addFunctionsTo​(java.util.List<Function> functions)
        Adds the functions used by the conditions to the specified list.
        Parameters:
        functions - the list to add to

      • getColumns

        java.lang.Iterable<ColumnMetadata> getColumns()
        Returns the column definitions to which apply the conditions.
        Returns:
        the column definitions to which apply the conditions.

      • isEmpty

        boolean isEmpty()
        Checks if this Conditions is empty.
        Returns:
        true if this Conditions is empty, false otherwise.

      • isIfExists

        boolean isIfExists()
        Checks if this is a IF EXIST condition.
        Returns:
        true if this is a IF EXIST condition, false otherwise.

      • isIfNotExists

        boolean isIfNotExists()
        Checks if this is a IF NOT EXIST condition.
        Returns:
        true if this is a IF NOT EXIST condition, false otherwise.

      • appliesToStaticColumns

        boolean appliesToStaticColumns()
        Checks if some of the conditions apply to static columns.
        Returns:
        true if some of the conditions apply to static columns, false otherwise.

      • appliesToRegularColumns

        boolean appliesToRegularColumns()
        Checks if some of the conditions apply to regular columns.
        Returns:
        true if some of the conditions apply to regular columns, false otherwise.

      • addConditionsTo

        void addConditionsTo​(CQL3CasRequest request,
                     Clustering<?> clustering,
                     QueryOptions options)
        Adds the conditions to the specified CAS request.
        Parameters:
        request - the request
        clustering - the clustering prefix
        options - the query options