Package com.sap.cloud.sdk.datamodel.odata.helper

Class EntityLink<LinkT extends EntityLink<LinkT,EntityT,SubEntityT>,EntityT extends VdmObject<?>,SubEntityT extends VdmObject<?>>

java.lang.Object

com.sap.cloud.sdk.datamodel.odata.helper.EntityLink<LinkT,EntityT,SubEntityT>

Type Parameters:

LinkT - The type of this link.

EntityT - The type of the entity.

SubEntityT - The type of the subentity.

All Implemented Interfaces:

EntitySelectable<EntityT>

public class EntityLink<LinkT extends EntityLink<LinkT,EntityT,SubEntityT>,EntityT extends VdmObject<?>,SubEntityT extends VdmObject<?>>
extends Object
implements EntitySelectable<EntityT>

Helper class for representing links (navigation properties) between entities.

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	EntityLink(EntityLink<LinkT,EntityT,SubEntityT> toCopy)	Copy constructor.
	EntityLink(String fieldName)

Method Summary

Modifier and Type	Method	Description
protected boolean	canEqual(Object other)
boolean	equals(Object o)
protected ExpressionFluentHelper<EntityT>	filterOnOneToOneLink(ExpressionFluentHelper<SubEntityT> filterExpression)	Add a filter expression on a single navigation property.
List<String>	getExpansions()	Returns a list of expansions for this link.
String	getFieldName()	Get the field name of OData entity property.
List<String>	getSelections()	Get the select expression that represents the OData entity property.
int	hashCode()
final LinkT	select(EntitySelectable<SubEntityT>... selectors)	Used in combination with FluentHelperRead.select when expanding a navigation property to specify which fields of that navigation property to select, and which navigation properties of that navigation property to expand.
String	toString()
protected LinkT	translateLinkType(EntityLink<LinkT,EntityT,SubEntityT> link)	Returns the given link in a type-safe manner.

Methods inherited from class java.lang.Object

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

Constructor Details

EntityLink

protected EntityLink(@Nonnull
 EntityLink<LinkT,EntityT,SubEntityT> toCopy)

Copy constructor.

Parameters:

toCopy - The link to copy.

EntityLink

public EntityLink(@Nonnull
 String fieldName)

Method Details

select

@SafeVarargs
@Nonnull
public final LinkT select(@Nonnull
 EntitySelectable<SubEntityT>... selectors)

Used in combination with FluentHelperRead.select when expanding a navigation property to specify which fields of that navigation property to select, and which navigation properties of that navigation property to expand.

Parameters:

selectors - Array of fields to select and/or navigation properties to expand.

Returns:

Selector for FluentHelperRead.select.

getExpansions

@Nonnull
public List<String> getExpansions()

Returns a list of expansions for this link.

Returns:

A list of expansions for this link.

getSelections

@Nonnull
public List<String> getSelections()

Description copied from interface: EntitySelectable

Get the select expression that represents the OData entity property.

Specified by:

getSelections in interface EntitySelectable<LinkT extends EntityLink<LinkT,EntityT,SubEntityT>>

Returns:

The serialized select terms.

translateLinkType

@Nonnull
protected LinkT translateLinkType(EntityLink<LinkT,EntityT,SubEntityT> link)

Returns the given link in a type-safe manner.

Parameters:

link - The link to cast.

Returns:

The given link in a type-safe manner.

filterOnOneToOneLink

@Nonnull
protected ExpressionFluentHelper<EntityT> filterOnOneToOneLink(@Nonnull
 ExpressionFluentHelper<SubEntityT> filterExpression)

Add a filter expression on a single navigation property.

Parameters:

filterExpression - The filter to apply.

Returns:

A new expression builder that includes the given filter.

toString

@Nonnull
public String toString()

Overrides:

toString in class Object

equals

public boolean equals(@Nullable
 Object o)

Overrides:

equals in class Object

canEqual

protected boolean canEqual(@Nullable
 Object other)

hashCode

public int hashCode()

Overrides:

hashCode in class Object

getFieldName

@Nonnull
public String getFieldName()

Description copied from interface: EntitySelectable

Get the field name of OData entity property.

Specified by:

getFieldName in interface EntitySelectable<LinkT extends EntityLink<LinkT,EntityT,SubEntityT>>

Returns:

The field name