Package com.holonplatform.core.query

Interface Summary

Interface	Description
BeanProjection<T>	A QueryProjection which uses a BeanPropertySet to define the projection selection and returns BeanPropertySet.getBeanClass() type results.
ConstantExpression<T,E>	Constant value QueryExpression.
CountAllProjection	A QueryProjection to represent the count of all the results of a query.
FunctionExpression<T>	A QueryExpression wich represents the result of a QueryFunction a can be used as QueryProjection.
FunctionExpression.FunctionExpressionProperty<T>	A FunctionExpression implemented as a Property.
FunctionExpression.PathFunctionExpression<P,T>	A FunctionExpression which acts on a Path.
FunctionExpression.PathFunctionExpressionProperty<P,T>	A FunctionExpression.PathFunctionExpression implemented as a VirtualProperty.
PathExpression<T>	A QueryExpression wich represents a Path.
PropertyConstantExpression<T,E>	A QueryExpression which represents a Property value.
PropertySetProjection	A QueryProjection which uses a PropertySet to define the projection selection and returns PropertyBox type results.
Query	Interface to model a query, apply restrictions, sortings and configurations and obtain query results.
QueryAggregation	Represents a query results aggregation clause.
QueryAggregation.Builder	QueryAggregation builder.
QueryAggregation.QueryAggregationSupport<C extends QueryAggregation.QueryAggregationSupport<C>>	Interface implemented by classes which support QueryAggregations setting.
QueryBuilder<Q extends QueryBuilder<Q>>	Builder to configure a Query, managing query DataTarget and query clauses such as QueryFilter and QuerySort and handling ExpressionResolvers registration.
QueryConfiguration	Interface to provide Query configuration elements for query building and execution.
QueryConfigurationProvider	Interface that can be used to dynamically provide query configuration elements.
QueryExpression<T>	Represent a general typed expression used by Query clauses.
QueryFilter	A Query expression representing a filter (query restriction) condition.
QueryFilter.CompositeQueryFilter	A QueryFilter which represents a query filters composition.
QueryFilter.OperationQueryFilter<T>	A QueryFilter which represents an operation with operator and arguments.
QueryFilter.QueryFilterResolver<T extends QueryFilter>	Convenience interface to create an ExpressionResolver to resolve a custom QueryFilter class into a standard QueryFilter.
QueryFilter.QueryFilterSupport<C extends QueryFilter.QueryFilterSupport<C>>	Interface implemented by classes which support QueryFilters addition.
QueryFunction<T>	Represents a generic function to be used in a Query definition.
QueryFunction.Avg	A function which represents the average value of a query result.
QueryFunction.Count	A function which represents the count of a query result values.
QueryFunction.Max<T>	A function which represents the largest value of a query result.
QueryFunction.Min<T>	A function which represents the smallest value of a query result.
QueryFunction.Sum<T>	A function which represents the sum of a query result values.
QueryProjection<T>	A query projection to obtain typed query results.
QueryResults	Provide operations to get results from a Query execution.
QuerySort	A Query expression representing a sort condition.
QuerySort.CompositeQuerySort	A QuerySort which represents a sort expressions list.
QuerySort.PathQuerySort<T>	A QuerySort bound to a Path expression.
QuerySort.QuerySortResolver<T extends QuerySort>	Convenience interface to create an ExpressionResolver to resolve a custom QuerySort class into a standard QuerySort.
QuerySort.QuerySortSupport<C extends QuerySort.QuerySortSupport<C>>	Interface implemented by classes which support QuerySorts addition.

Enum Summary

Enum	Description
QueryFilter.FilterOperator	Filter operators.
QuerySort.SortDirection	Sort direction (ascending or descending) definition

Exception Summary

Exception	Description
Query.QueryBuildException	Exception thrown for Query build errors.
QueryResults.QueryExecutionException	Exception thrown for Query execution errors.
QueryResults.QueryNonUniqueResultException	Exception thrown by when only one query result was expected but more than one found.
QueryResults.QueryResultConversionException	Exception thrown for Query results conversion or parsing errors.