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>	Constant value expression which can also act as QueryProjection.
CountAllProjection	A QueryProjection to represent the count of all the results of a query.
NumericQueryExpression<N extends Number>	A QueryExpression of Number type.
PathExpression<T>	A QueryExpression wich represents a Path.
PropertySetProjection	A QueryProjection which uses a PropertySet to define the projection selection and returns PropertyBox type results.
Query	Represents a query, which can be used to configure and execute a query on the data managed by a Datastore.
QueryAdapter<C extends QueryConfiguration>	Adapter to perform a query execution using a QueryOperation.
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	Represents the configuration of a query, providing configuration elements and supporting ExpressionResolvers.
QueryConfigurationProvider	Interface that can be used to dynamically provide query configuration elements.
QueryConfigurationProvider.Builder	Builder to create QueryConfigurationProvider instances.
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.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,A>	Represents a function expression.
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.NoArgQueryFunction<T>	A QueryFunction which do not support any argument.
QueryFunction.PropertyQueryFunction<T,A>	A QueryFunction which is also a Property, allowing the function to be used within a property set query projection and the function value to be collected in a PropertyBox.
QueryFunction.Sum<T extends Number>	A function which represents the sum of a numeric query result values.
QueryOperation<C extends QueryConfiguration,R>	Represent a query operation expression, providing query configuration and projection.
QueryProjection<T>	A query projection Expression to obtain typed query results.
QueryProjectionOperations<SR,LR,OR,CR>	Base interface to provide query results using a QueryProjection.
QueryResults	Provide operations to get the results of a Query operation using a QueryProjection.
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.
SelectAllProjection	A QueryProjection to obtain all the values af a persistent data entity instance.
StringFunction	Represents a QueryFunction on a String data type.
StringFunction.Lower	Function to convert a string to lowercase.
StringFunction.Upper	Function to convert a string to uppercase.
StringQueryExpression	A QueryExpression of String type.
TemporalFunction<T>	Represents a temporal-related QueryFunction.
TemporalFunction.CurrentDate	A function to obtain the current date as a Date.
TemporalFunction.CurrentLocalDate	A function to obtain the current date as a LocalDate.
TemporalFunction.CurrentLocalDateTime	A function to obtain the current date and time as a LocalDateTime.
TemporalFunction.CurrentTimestamp	A function to obtain the current timestamp as a Date.
TemporalFunction.Day	A function to extract the day part of a temporal data type.
TemporalFunction.Hour	A function to extract the hour part of a temporal data type.
TemporalFunction.Month	A function to extract the month part of a temporal data type.
TemporalFunction.Year	A function to extract the year part of a temporal data type.
TemporalQueryExpression<T>	A QueryExpression of a temporal type.

Enum Summary

Enum	Description
QuerySort.SortDirection	Sort direction (ascending or descending) definition

Exception Summary

Exception	Description
QueryResults.QueryNonUniqueResultException	Exception thrown by when only one query result was expected but more than one found.