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BaseEntity

The common ancestor for all entity types.

Methods


becomes

becomes(fieldName, expected)

Checks whether a field is set to an expected value in the current transaction.

Parameters

Name

Type

Description

fieldName

string

The name of the field to check.

expected

string

The expected value.

Return Value

Type

Description

boolean

If the field is set to the expected value, returns `true`.

 

canBeReadBy

canBeReadBy(fieldName, user)

Checks whether a user has permission to read the field.

Parameters

Name

Type

Description

fieldName

string

The name of the field.

user

User

The user for whom the permission to read the field is checked.

Return Value

Type

Description

boolean

If the user can read the field, returns `true`.

 

canBeWrittenBy

canBeWrittenBy(fieldName, user)

Checks whether a user has permission to update the field.

Parameters

Name

Type

Description

fieldName

string

The name of the field.

user

User

The user for whom the permission to update the field is checked.

Return Value

Type

Description

boolean

If the user can update the field, returns `true`.

 

isChanged

isChanged(fieldName)

Checks whether the value of a field is changed in the current transaction.

Parameters

Name

Type

Description

fieldName

string

The name of the field to check.

Return Value

Type

Description

boolean

If the value of the field is changed in the current transaction, returns `true`.

 

oldValue

oldValue(fieldName)

Returns the previous value of a single-value field before an update was applied. If the field is not changed in the transaction, this value is equal to the current value of the field.

Parameters

Name

Type

Description

fieldName

string

The name of the field.

Return Value

Type

Description

Object

previous If the field is changed in the current transaction, the previous value of the field. Otherwise, the current value of the field.

 

required

required(fieldName, message)

Asserts that a value is set for a field. If a value for the required field is not set, the specified message is displayed in the user interface.

Parameters

Name

Type

Description

fieldName

string

The name of the field to check.

message

string

The message that is displayed to the user that describes the field requirement.

 

Last modified: 7 March 2019