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 Details

    • 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 Details

    • addFunctionsTo

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

    • getColumns

      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