QueryExpression (com.holon-platform.core:holon-root 5.2.3 API)

Type Parameters:

T - Expression type

All Superinterfaces:

Expression, TypedExpression<T>

All Known Subinterfaces:

BeanProperty<T>, BeanProperty.Builder<T>, BooleanBeanProperty, BooleanProperty, BooleanProperty.BooleanPropertyBuilder, CollectionPathProperty<E,C>, ListPathProperty<T>, ListPathProperty.ListPathPropertyBuilder<T>, NumericBeanProperty<N>, NumericProperty<N>, NumericProperty.NumericPropertyBuilder<N>, NumericQueryExpression<N>, PathExpression<T>, PathProperty<T>, PathProperty.PathPropertyBuilder<T>, PropertyBoxProperty, PropertyBoxProperty.PropertyBoxPropertyBuilder, QueryFunction<T,A>, QueryFunction.Avg, QueryFunction.Count, QueryFunction.Max<T>, QueryFunction.Min<T>, QueryFunction.NoArgQueryFunction<T>, QueryFunction.PropertyQueryFunction<T,A>, QueryFunction.Sum<T>, SetPathProperty<T>, SetPathProperty.SetPathPropertyBuilder<T>, StringBeanProperty, StringFunction, StringFunction.Lower, StringFunction.Upper, StringProperty, StringProperty.StringPropertyBuilder, StringQueryExpression, SubQuery<T>, TemporalBeanProperty<T>, TemporalFunction<T>, TemporalFunction.CurrentDate, TemporalFunction.CurrentLocalDate, TemporalFunction.CurrentLocalDateTime, TemporalFunction.CurrentTimestamp, TemporalFunction.Day, TemporalFunction.Hour, TemporalFunction.Month, TemporalFunction.Year, TemporalProperty<T>, TemporalProperty.TemporalPropertyBuilder<T>, TemporalQueryExpression<T>
```
public interface QueryExpression<T>
extends TypedExpression<T>
```
Represent a general typed expression used by Query clauses.

Since:

5.0.0

Nested Class Summary
- Nested classes/interfaces inherited from interface com.holonplatform.core.Expression
  Expression.ExpressionResolverFunction<E extends Expression,R extends Expression>, Expression.InvalidExpressionException

Method Summary

All Methods Instance Methods Default Methods
Modifier and Type	Method and Description
`default QueryFilter`	`between(T from, T to)` Build a filter on this expression, which checks if property value is between given `from` and `to` values.
`default QueryFunction.Count`	`count()` Create an aggregation function expression using the `QueryFunction.Count` function.
`default QueryFilter`	`eq(T value)` Build a filter on this expression, which checks if property value is equal to given constant value.
`default QueryFilter`	`eq(TypedExpression<? super T> expression)` Build a filter on this expression, which checks if property value is equal to given `expression` value.
`default QueryFilter`	`goe(T value)` Build a filter on this expression, which checks if property value is greater than or equal to given constant value.
`default QueryFilter`	`goe(TypedExpression<? super T> expression)` Build a filter on this expression, which checks if property value is greater than or equal to given `expression` value.
`default QueryFilter`	`gt(T value)` Build a filter on this expression, which checks if property value is greater than given constant value.
`default QueryFilter`	`gt(TypedExpression<? super T> expression)` Build a filter on this expression, which checks if property value is greater than given `expression` value.
`default QueryFilter`	`in(Collection<T> values)` Build a filter on this expression, which checks if property value is included in given constant values.
`default QueryFilter`	`in(T... values)` Build a filter on this expression, which checks if property value is included in given constant values.
`default QueryFilter`	`in(TypedExpression<? super T> expression)` Build a filter on this expression, which checks if property value is included in given `expression` values.
`default QueryFilter`	`isNotNull()` Build a filter on this expression, which checks if property value is not `null`.
`default QueryFilter`	`isNull()` Build a filter on this expression, which checks if property value is `null`.
`default QueryFilter`	`loe(T value)` Build a filter on this expression, which checks if property value is less than or equal to given constant value.
`default QueryFilter`	`loe(TypedExpression<? super T> expression)` Build a filter on this expression, which checks if property value is less than or equal to given `expression` value.
`default QueryFilter`	`lt(T value)` Build a filter on this expression, which checks if property value is less than given constant value.
`default QueryFilter`	`lt(TypedExpression<? super T> expression)` Build a filter on this expression, which checks if property value is less than given `expression` value.
`default QueryFunction.Max<T>`	`max()` Create an aggregation function expression using the `QueryFunction.Max` function.
`default QueryFunction.Min<T>`	`min()` Create an aggregation function expression using the `QueryFunction.Min` function.
`default QueryFilter`	`neq(T value)` Build a filter on this expression, which checks if property value is not equal to given constant value.
`default QueryFilter`	`neq(TypedExpression<? super T> expression)` Build a filter on this expression, which checks if property value is not equal to given `expression` value.
`default QueryFilter`	`nin(Collection<T> values)` Build a filter on this expression, which checks if property value is not included in given constant values.
`default QueryFilter`	`nin(T... values)` Build a filter on this expression, which checks if property value is not included in given constant values.
`default QueryFilter`	`nin(TypedExpression<? super T> expression)` Build a filter on this expression, which checks if property value is not included in given `expression` values.

Methods inherited from interface com.holonplatform.core.TypedExpression
getTemporalType, getType, isCollectionExpression, isConverterExpression

Methods inherited from interface com.holonplatform.core.Expression
validate

- Method Detail
  - isNull
```
default QueryFilter isNull()
```
    Build a filter on this expression, which checks if property value is null.
    
    Returns:
    
    The QueryFilter
  - isNotNull
```
default QueryFilter isNotNull()
```
    Build a filter on this expression, which checks if property value is not null.
    
    Returns:
    
    The QueryFilter
  - eq
```
default QueryFilter eq(T value)
```
    Build a filter on this expression, which checks if property value is equal to given constant value.
    
    Parameters:
    
    value - Filter value (not null)
    
    Returns:
    
    The QueryFilter
  - eq
```
default QueryFilter eq(TypedExpression<? super T> expression)
```
    Build a filter on this expression, which checks if property value is equal to given expression value.
    
    Parameters:
    
    expression - Right operand expression (not null)
    
    Returns:
    
    The QueryFilter
  - neq
```
default QueryFilter neq(T value)
```
    Build a filter on this expression, which checks if property value is not equal to given constant value.
    
    Parameters:
    
    value - Filter value (not null)
    
    Returns:
    
    This QueryFilter
  - neq
```
default QueryFilter neq(TypedExpression<? super T> expression)
```
    Build a filter on this expression, which checks if property value is not equal to given expression value.
    
    Parameters:
    
    expression - Right operand expression (not null)
    
    Returns:
    
    The QueryFilter
  - lt
```
default QueryFilter lt(T value)
```
    Build a filter on this expression, which checks if property value is less than given constant value.
    
    Parameters:
    
    value - Filter value (not null)
    
    Returns:
    
    The QueryFilter
  - lt
```
default QueryFilter lt(TypedExpression<? super T> expression)
```
    Build a filter on this expression, which checks if property value is less than given expression value.
    
    Parameters:
    
    expression - Right operand expression (not null)
    
    Returns:
    
    The QueryFilter
  - loe
```
default QueryFilter loe(T value)
```
    Build a filter on this expression, which checks if property value is less than or equal to given constant value.
    
    Parameters:
    
    value - Filter value (not null)
    
    Returns:
    
    The QueryFilter
  - loe
```
default QueryFilter loe(TypedExpression<? super T> expression)
```
    Build a filter on this expression, which checks if property value is less than or equal to given expression value.
    
    Parameters:
    
    expression - Right operand expression (not null)
    
    Returns:
    
    The QueryFilter
  - gt
```
default QueryFilter gt(T value)
```
    Build a filter on this expression, which checks if property value is greater than given constant value.
    
    Parameters:
    
    value - Filter value (not null)
    
    Returns:
    
    The QueryFilter
  - gt
```
default QueryFilter gt(TypedExpression<? super T> expression)
```
    Build a filter on this expression, which checks if property value is greater than given expression value.
    
    Parameters:
    
    expression - Right operand expression (not null)
    
    Returns:
    
    The QueryFilter
  - goe
```
default QueryFilter goe(T value)
```
    Build a filter on this expression, which checks if property value is greater than or equal to given constant value.
    
    Parameters:
    
    value - Filter value (not null)
    
    Returns:
    
    The QueryFilter
  - goe
```
default QueryFilter goe(TypedExpression<? super T> expression)
```
    Build a filter on this expression, which checks if property value is greater than or equal to given expression value.
    
    Parameters:
    
    expression - Right operand expression (not null)
    
    Returns:
    
    The QueryFilter
  - in
```
default QueryFilter in(T... values)
```
    Build a filter on this expression, which checks if property value is included in given constant values.
    
    Parameters:
    
    values - Filter values (not null)
    
    Returns:
    
    The QueryFilter
  - in
```
default QueryFilter in(Collection<T> values)
```
    Build a filter on this expression, which checks if property value is included in given constant values.
    
    Parameters:
    
    values - Filter values (not null)
    
    Returns:
    
    The QueryFilter
  - in
```
default QueryFilter in(TypedExpression<? super T> expression)
```
    Build a filter on this expression, which checks if property value is included in given expression values.
    
    Parameters:
    
    expression - Right operand expression (not null)
    
    Returns:
    
    The QueryFilter
  - nin
```
default QueryFilter nin(T... values)
```
    Build a filter on this expression, which checks if property value is not included in given constant values.
    
    Parameters:
    
    values - Filter values (not null)
    
    Returns:
    
    The QueryFilter
  - nin
```
default QueryFilter nin(Collection<T> values)
```
    Build a filter on this expression, which checks if property value is not included in given constant values.
    
    Parameters:
    
    values - Filter values (not null)
    
    Returns:
    
    The QueryFilter
  - nin
```
default QueryFilter nin(TypedExpression<? super T> expression)
```
    Build a filter on this expression, which checks if property value is not included in given expression values.
    
    Parameters:
    
    expression - Right operand expression (not null)
    
    Returns:
    
    The QueryFilter
  - between
```
default QueryFilter between(T from,
                            T to)
```
    Build a filter on this expression, which checks if property value is between given from and to values.
    
    Parameters:
    
    from - From value (not null)
    
    to - To value (not null)
    
    Returns:
    
    The QueryFilter
  - count
```
default QueryFunction.Count count()
```
    Create an aggregation function expression using the QueryFunction.Count function.
    The returned function is a QueryFunction.PropertyQueryFunction, to allow inclusion in property sets and handling within a PropertyBox.
    
    Returns:
    
    A QueryFunction.Count aggregation function expression
  - min
```
default QueryFunction.Min<T> min()
```
    Create an aggregation function expression using the QueryFunction.Min function.
    The returned function is a QueryFunction.PropertyQueryFunction, to allow inclusion in property sets and handling within a PropertyBox.
    
    Returns:
    
    A QueryFunction.Min aggregation function expression
  - max
```
default QueryFunction.Max<T> max()
```
    Create an aggregation function expression using the QueryFunction.Max function.
    The returned function is a QueryFunction.PropertyQueryFunction, to allow inclusion in property sets and handling within a PropertyBox.
    
    Returns:
    
    A QueryFunction.Max aggregation function expression

Interface QueryExpression<T>

Nested Class Summary

Nested classes/interfaces inherited from interface com.holonplatform.core.Expression

Method Summary

Methods inherited from interface com.holonplatform.core.TypedExpression

Methods inherited from interface com.holonplatform.core.Expression

Method Detail

isNull

isNotNull

eq

eq

neq

neq

lt

lt

loe

loe

gt

gt

goe

goe

in

in

in

nin

nin

nin

between

count

min

max