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

Interface Expressions.FieldReference

All Superinterfaces:

Expressions.Operand, Expressions.OperandSingle, FilterableComparisonAbsolute, FilterableComparisonRelative

All Known Subinterfaces:

ComplexProperty<EntityT,TargetT>, NavigationProperty<EntityT,TargetT>, Property<EntityT>, SimpleProperty<EntityT>, com.sap.cloud.sdk.datamodel.odatav4.core.StructuredProperty<EntityT,TargetT>

All Known Implementing Classes:

SimpleProperty.All, SimpleProperty.Boolean, SimpleProperty.Collection, SimpleProperty.Date, SimpleProperty.DateTime, SimpleProperty.Duration, SimpleProperty.Enum, SimpleProperty.Guid, SimpleProperty.NumericDecimal, SimpleProperty.NumericInteger, SimpleProperty.String, SimpleProperty.Time

Enclosing class:

Expressions

@Beta
public static interface Expressions.FieldReference
extends Expressions.OperandSingle, FilterableComparisonAbsolute, FilterableComparisonRelative

OData filter expression operand for an entity field reference.

Method Summary

Modifier and Type	Method and Description
default Expressions.ValueBoolean	asBoolean() Cast the field reference to a boolean value, enabling type-safe expressions.
default Expressions.ValueCollection	asCollection() Cast the field reference to a collection value, enabling type-safe expressions.
default Expressions.ValueDate	asDate() Cast the field reference to a date value, enabling type-safe expressions.
default Expressions.ValueDateTimeOffset	asDateTimeOffset() Cast the field reference to an offset-date-time value, enabling type-safe expressions.
default Expressions.ValueDuration	asDuration() Cast the field reference to a duration value, enabling type-safe expressions.
default Expressions.ValueNumeric	asNumber() Cast the field reference to a numeric value, enabling type-safe expressions.
default Expressions.ValueString	asString() Cast the field reference to a string value, enabling type-safe expressions.
default Expressions.ValueTimeOfDay	asTimeOfDay() Cast the field reference to a time-of-day value, enabling type-safe expressions.
default String	getExpression(ODataProtocol protocol, Map<String,Predicate<Expressions.FieldReference>> prefixes) Create the String representation of the expression.
String	getFieldName() javadoc
static Expressions.FieldReference	of(String fieldName) Static factory method to easily instantiate a generic field reference.

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

equalTo, equalTo, notEqualTo, notEqualTo

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

greaterThan, greaterThan, greaterThanEqual, greaterThanEqual, lessThan, lessThan, lessThanEqual, lessThanEqual

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

getExpression

Method Detail

of

@Nonnull
static Expressions.FieldReference of(String fieldName)

Static factory method to easily instantiate a generic field reference.

Parameters:

fieldName - The field name.

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<Expressions.FieldReference>> prefixes)

Description copied from interface: Expressions.Operand

Create the String representation of the expression.

Specified by:

getExpression in interface Expressions.Operand

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

Returns:

The expression String.

asString

@Nonnull
default Expressions.ValueString asString()

Cast the field reference to a string value, enabling type-safe expressions.

Returns:

The string flavored field reference.

asNumber

@Nonnull
default Expressions.ValueNumeric asNumber()

Cast the field reference to a numeric value, enabling type-safe expressions.

Returns:

The numeric flavored field reference.

asBoolean

@Nonnull
default Expressions.ValueBoolean asBoolean()

Cast the field reference to a boolean value, enabling type-safe expressions.

Returns:

The boolean flavored field reference.

asDuration

@Nonnull
default Expressions.ValueDuration asDuration()

Cast the field reference to a duration value, enabling type-safe expressions.

Returns:

The duration flavored field reference.

asTimeOfDay

@Nonnull
default Expressions.ValueTimeOfDay asTimeOfDay()

Cast the field reference to a time-of-day value, enabling type-safe expressions.

Returns:

The time-of-day flavored field reference.

asDateTimeOffset

@Nonnull
default Expressions.ValueDateTimeOffset asDateTimeOffset()

Cast the field reference to an offset-date-time value, enabling type-safe expressions.

Returns:

The offset-date-time flavored field reference.

asDate

@Nonnull
default Expressions.ValueDate asDate()

Cast the field reference to a date value, enabling type-safe expressions.

Returns:

The date flavored field reference.

asCollection

@Nonnull
default Expressions.ValueCollection asCollection()

Cast the field reference to a collection value, enabling type-safe expressions.

Returns:

The collection flavored field reference.