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SubscriptionFilter

Struct SubscriptionFilter 

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pub struct SubscriptionFilter(FilterExpression);
Expand description

A validated server-side publication tag filter.

Tuple Fields§

§0: FilterExpression

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impl SubscriptionFilter

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pub fn equal( key: impl Into<String>, value: FilterValue, ) -> Result<Self, FilterError>

Matches tags whose value equals value.

§Errors

Returns an error if the key or required value is empty.

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pub fn not_equal( key: impl Into<String>, value: FilterValue, ) -> Result<Self, FilterError>

Matches tags whose value does not equal value.

§Errors

Returns an error if the key or required value is empty.

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pub fn is_in<I>(key: impl Into<String>, values: I) -> Result<Self, FilterError>
where I: IntoIterator<Item = FilterValue>,

Matches tags whose value is present in values.

§Errors

Returns an error if the key or value list is empty.

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pub fn is_not_in<I>( key: impl Into<String>, values: I, ) -> Result<Self, FilterError>
where I: IntoIterator<Item = FilterValue>,

Matches tags whose value is absent from values.

§Errors

Returns an error if the key or value list is empty.

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pub fn exists(key: impl Into<String>) -> Result<Self, FilterError>

Matches publications containing key.

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Returns an error if the key is empty.

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pub fn not_exists(key: impl Into<String>) -> Result<Self, FilterError>

Matches publications that do not contain key.

§Errors

Returns an error if the key is empty.

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pub fn starts_with( key: impl Into<String>, value: FilterValue, ) -> Result<Self, FilterError>

Matches text tags beginning with value.

§Errors

Returns an error if the key is empty or the value is not non-empty text.

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pub fn ends_with( key: impl Into<String>, value: FilterValue, ) -> Result<Self, FilterError>

Matches text tags ending with value.

§Errors

Returns an error if the key is empty or the value is not non-empty text.

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pub fn contains( key: impl Into<String>, value: FilterValue, ) -> Result<Self, FilterError>

Matches text tags containing value.

§Errors

Returns an error if the key is empty or the value is not non-empty text.

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pub fn greater_than( key: impl Into<String>, value: FilterValue, ) -> Result<Self, FilterError>

Matches numeric tags greater than value.

§Errors

Returns an error if the key is empty or the value is not numeric.

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pub fn greater_than_or_equal( key: impl Into<String>, value: FilterValue, ) -> Result<Self, FilterError>

Matches numeric tags greater than or equal to value.

§Errors

Returns an error if the key is empty or the value is not numeric.

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pub fn less_than( key: impl Into<String>, value: FilterValue, ) -> Result<Self, FilterError>

Matches numeric tags less than value.

§Errors

Returns an error if the key is empty or the value is not numeric.

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pub fn less_than_or_equal( key: impl Into<String>, value: FilterValue, ) -> Result<Self, FilterError>

Matches numeric tags less than or equal to value.

§Errors

Returns an error if the key is empty or the value is not numeric.

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pub fn and<I>(filters: I) -> Result<Self, FilterError>
where I: IntoIterator<Item = Self>,

Requires every child expression to match.

§Errors

Returns an error if no child expressions are provided.

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pub fn or<I>(filters: I) -> Result<Self, FilterError>
where I: IntoIterator<Item = Self>,

Requires at least one child expression to match.

§Errors

Returns an error if no child expressions are provided.

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pub fn negate(filter: Self) -> Self

Negates filter.

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fn comparison( key: impl Into<String>, comparison: Comparison, ) -> Result<Self, FilterError>

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fn value_comparison( key: impl Into<String>, value: FilterValue, comparison: &'static str, required_kind: Option<&'static str>, constructor: impl FnOnce(FilterValue) -> Comparison, ) -> Result<Self, FilterError>

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fn list_comparison<I>( key: impl Into<String>, values: I, comparison: &'static str, constructor: impl FnOnce(Vec<FilterValue>) -> Comparison, ) -> Result<Self, FilterError>
where I: IntoIterator<Item = FilterValue>,

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fn group<I>( filters: I, operator: &'static str, constructor: impl FnOnce(Vec<Self>) -> FilterExpression, ) -> Result<Self, FilterError>
where I: IntoIterator<Item = Self>,

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fn precedence(&self) -> u8

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fn fmt_with_precedence( &self, formatter: &mut Formatter<'_>, parent_precedence: u8, ) -> Result

Trait Implementations§

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impl Clone for SubscriptionFilter

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fn clone(&self) -> SubscriptionFilter

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for SubscriptionFilter

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl Display for SubscriptionFilter

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more
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impl From<&SubscriptionFilter> for FilterNode

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fn from(filter: &SubscriptionFilter) -> Self

Converts to this type from the input type.
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impl PartialEq for SubscriptionFilter

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fn eq(&self, other: &SubscriptionFilter) -> bool

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
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impl Eq for SubscriptionFilter

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impl StructuralPartialEq for SubscriptionFilter

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