Package org.springframework.data.mapping

Class Parameter<T,P extends PersistentProperty<P>>

java.lang.Object

org.springframework.data.mapping.Parameter<T,P>

Type Parameters:

T - the type of the parameter

public class Parameter<T,P extends PersistentProperty<P>>
extends Object

Value object to represent constructor parameters.

Author:

Oliver Gierke, Christoph Strobl

Constructor Summary

Constructors

Constructor	Description
Parameter(String name, TypeInformation<T> type, Annotation[] annotations, PersistentEntity<T,P> entity)	Creates a new Parameter with the given name, TypeInformation as well as an array of Annotations.

Method Summary

Modifier and Type	Method	Description
boolean	equals(Object o)
org.springframework.core.annotation.MergedAnnotations	getAnnotations()	Merged annotations that this parameter is annotated with.
String	getName()	Returns the name of the parameter.
Class<T>	getRawType()	Returns the raw resolved type of the parameter.
String	getSpelExpression()	Returns the key to be used when looking up a source data structure to populate the actual parameter value.
TypeInformation<T>	getType()	Returns the TypeInformation of the parameter.
int	hashCode()
boolean	hasSpelExpression()	Returns whether the constructor parameter is equipped with a SpEL expression.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, toString, wait, wait, wait

Constructor Details

Parameter

public Parameter(@Nullable
 String name,
 TypeInformation<T> type,
 Annotation[] annotations,
 @Nullable
 PersistentEntity<T,P> entity)

Creates a new Parameter with the given name, TypeInformation as well as an array of Annotations. Will inspect the annotations for an Value annotation to lookup a key or an SpEL expression to be evaluated.

Parameters:

name - the name of the parameter, can be null

type - must not be null

annotations - must not be null but can be empty

entity - must not be null.

Method Details

getName

@Nullable
public String getName()

Returns the name of the parameter.

Returns:

getType

public TypeInformation<T> getType()

Returns the TypeInformation of the parameter.

Returns:

getAnnotations

public org.springframework.core.annotation.MergedAnnotations getAnnotations()

Merged annotations that this parameter is annotated with.

Returns:

Since:

2.5

getRawType

public Class<T> getRawType()

Returns the raw resolved type of the parameter.

Returns:

getSpelExpression

public String getSpelExpression()

Returns the key to be used when looking up a source data structure to populate the actual parameter value.

Returns:

hasSpelExpression

public boolean hasSpelExpression()

Returns whether the constructor parameter is equipped with a SpEL expression.

Returns:

equals

public boolean equals(@Nullable
 Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Overrides:

hashCode in class Object