com.sap.cloud.sdk.datamodel.odata.client.expression

Interface FieldReference

All Superinterfaces:

Expressions.Operand, Expressions.OperandSingle

All Known Subinterfaces:

FieldUntyped

@Beta
public interface FieldReference
extends Expressions.OperandSingle

OData filter expression operand for a generic entity field reference.

Field Summary

Fields inherited from interface com.sap.cloud.sdk.datamodel.odata.client.expression.Expressions.Operand

NULL

Method Summary

Modifier and Type	Method and Description
default String	getExpression(ODataProtocol protocol, Map<String,Predicate<FieldReference>> prefixes) Create the String representation of the expression.
String	getFieldName() javadoc
static FieldUntyped	of(String fieldName) Static factory method to easily instantiate a generic field reference.
static FieldUntyped	ofPath(String... fieldNames) Static factory method to easily instantiate a nested field reference via a path of fields.

Methods inherited from interface com.sap.cloud.sdk.datamodel.odata.client.expression.Expressions.Operand

getExpression

Method Detail

of

@Nonnull
static FieldUntyped of(@Nonnull
                                String fieldName)

Static factory method to easily instantiate a generic field reference.

Parameters:

fieldName - The field name.

Returns:

The newly created instance.

ofPath

@Nonnull
static FieldUntyped ofPath(@Nonnull
                                    String... fieldNames)

Static factory method to easily instantiate a nested field reference via a path of fields.

Parameters:

fieldNames - The field name(s) identifying the field.

Returns:

The newly created instance.

getFieldName

@Nonnull
String getFieldName()

javadoc

Returns:

The field name this reference points towards.

getExpression

@Nonnull
default String getExpression(@Nonnull
                                      ODataProtocol protocol,
                                      @Nonnull
                                      Map<String,Predicate<FieldReference>> prefixes)

Description copied from interface: Expressions.Operand

Create the String representation of the expression.

Specified by:

getExpression in interface Expressions.Operand

Parameters:

protocol - The OData protocol to derive serialization rules from.

prefixes - Additional field prefixes, e.g. when using lambda expressions.

Returns:

The expression String.