Class HalResourceFilters
- java.lang.Object
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- io.wcm.caravan.pipeline.extensions.hal.filter.HalResourceFilters
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@ProviderType public final class HalResourceFilters extends Object
Default filtering predicates for HAL resources.
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Method Summary
All Methods Static Methods Concrete Methods Modifier and Type Method Description static HalResourcePredicate
all(HalResourcePredicate... predicates)
Executes all predicates and combines the result by logicaland
.static HalResourcePredicate
hasEmbedded(String relation)
static HalResourcePredicate
hasNonNull(String fieldName)
static HalResourcePredicate
hasPathNonNull(String jsonPath)
static <S> HalResourcePredicate
object(Class<S> clazz, rx.functions.Func1<S,Boolean> function)
Converts the state of the HAL resource to an object of the given type and applies the provided function.
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Method Detail
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all
public static HalResourcePredicate all(HalResourcePredicate... predicates)
Executes all predicates and combines the result by logicaland
. If there are negative predicate results, remaining predicates will not get executed.- Parameters:
predicates
- Predicates to check- Returns:
- True if all predicates return true
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hasPathNonNull
public static HalResourcePredicate hasPathNonNull(String jsonPath)
- Parameters:
jsonPath
- JSON path to check- Returns:
- True if model has field(s) for given JSON path and all values are not null
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hasNonNull
public static HalResourcePredicate hasNonNull(String fieldName)
- Parameters:
fieldName
- JSON field name- Returns:
- True if field exists and is not null
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hasEmbedded
public static HalResourcePredicate hasEmbedded(String relation)
- Parameters:
relation
- Relation name of the embedded resource- Returns:
- True if HAL resource has one or more embedded resources for the given relation name
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object
public static <S> HalResourcePredicate object(Class<S> clazz, rx.functions.Func1<S,Boolean> function)
Converts the state of the HAL resource to an object of the given type and applies the provided function.- Type Parameters:
S
- Type of the HAL resource state- Parameters:
clazz
- Class type of the HAL resource statefunction
- Function to apply on the object- Returns:
- Return value of the executed function
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