# SetSchemaResponse.MigrationFailure
Added in[API level 31](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
Summary:[Inherited Constants](https://developer.android.com/reference/android/app/appsearch/SetSchemaResponse.MigrationFailure#inhconstants)\|[Fields](https://developer.android.com/reference/android/app/appsearch/SetSchemaResponse.MigrationFailure#lfields)\|[Ctors](https://developer.android.com/reference/android/app/appsearch/SetSchemaResponse.MigrationFailure#pubctors)\|[Methods](https://developer.android.com/reference/android/app/appsearch/SetSchemaResponse.MigrationFailure#pubmethods)\|[Inherited Methods](https://developer.android.com/reference/android/app/appsearch/SetSchemaResponse.MigrationFailure#inhmethods)
# SetSchemaResponse.MigrationFailure
*** ** * ** ***
[Kotlin](https://developer.android.com/reference/kotlin/android/app/appsearch/SetSchemaResponse.MigrationFailure "View this page in Kotlin")\|Java
`
public
static
class
SetSchemaResponse.MigrationFailure
`
`
extends `[Object](https://developer.android.com/reference/java/lang/Object)`
``
implements
`[Parcelable](https://developer.android.com/reference/android/os/Parcelable)`
`
|---|----------------------------------------------------------|
| [java.lang.Object](https://developer.android.com/reference/java/lang/Object) ||
| ↳ | android.app.appsearch.SetSchemaResponse.MigrationFailure |
*** ** * ** ***
The class represents a post-migrated[GenericDocument](https://developer.android.com/reference/android/app/appsearch/GenericDocument)that failed to be saved by[AppSearchSession.setSchema](https://developer.android.com/reference/android/app/appsearch/AppSearchSession#setSchema(android.app.appsearch.SetSchemaRequest,%20java.util.concurrent.Executor,%20java.util.concurrent.Executor,%20java.util.function.Consumer>)).
## Summary
| ### Inherited constants |
|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| From interface[android.os.Parcelable](https://developer.android.com/reference/android/os/Parcelable) |-------|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | `int` | [CONTENTS_FILE_DESCRIPTOR](https://developer.android.com/reference/android/os/Parcelable#CONTENTS_FILE_DESCRIPTOR) Descriptor bit used with[describeContents()](https://developer.android.com/reference/android/os/Parcelable#describeContents()): indicates that the Parcelable object's flattened representation includes a file descriptor. | | `int` | [PARCELABLE_WRITE_RETURN_VALUE](https://developer.android.com/reference/android/os/Parcelable#PARCELABLE_WRITE_RETURN_VALUE) Flag for use with[writeToParcel(Parcel, int)](https://developer.android.com/reference/android/os/Parcelable#writeToParcel(android.os.Parcel,%20int)): the object being written is a return value, that is the result of a function such as "`Parcelable someFunction()`", "`void someFunction(out Parcelable)`", or "`void someFunction(inout Parcelable)`". | |
| ### Fields ||
|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|----------------------------------------------------------------------------------------------------------------------------|
| ` public static final `[Creator](https://developer.android.com/reference/android/os/Parcelable.Creator)`<`[SetSchemaResponse.MigrationFailure](https://developer.android.com/reference/android/app/appsearch/SetSchemaResponse.MigrationFailure)`>` | [CREATOR](https://developer.android.com/reference/android/app/appsearch/SetSchemaResponse.MigrationFailure#CREATOR)
|
| ### Public constructors ||
|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---|
| ` `[MigrationFailure](https://developer.android.com/reference/android/app/appsearch/SetSchemaResponse.MigrationFailure#MigrationFailure(java.lang.String,%20java.lang.String,%20java.lang.String,%20android.app.appsearch.AppSearchResult))`(`[String](https://developer.android.com/reference/java/lang/String)` namespace, `[String](https://developer.android.com/reference/java/lang/String)` documentId, `[String](https://developer.android.com/reference/java/lang/String)` schemaType, `[AppSearchResult](https://developer.android.com/reference/android/app/appsearch/AppSearchResult)` failedResult) ` Constructs a new[MigrationFailure](https://developer.android.com/reference/android/app/appsearch/SetSchemaResponse.MigrationFailure). |
| ### Public methods ||
|-------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| ` `[AppSearchResult](https://developer.android.com/reference/android/app/appsearch/AppSearchResult)`<`[Void](https://developer.android.com/reference/java/lang/Void)`>` | ` `[getAppSearchResult](https://developer.android.com/reference/android/app/appsearch/SetSchemaResponse.MigrationFailure#getAppSearchResult())`() ` Returns the[AppSearchResult](https://developer.android.com/reference/android/app/appsearch/AppSearchResult)that indicates why the post-migration[GenericDocument](https://developer.android.com/reference/android/app/appsearch/GenericDocument)failed to be indexed. |
| ` `[String](https://developer.android.com/reference/java/lang/String) | ` `[getDocumentId](https://developer.android.com/reference/android/app/appsearch/SetSchemaResponse.MigrationFailure#getDocumentId())`() ` Returns the id of the[GenericDocument](https://developer.android.com/reference/android/app/appsearch/GenericDocument)that failed to be migrated. |
| ` `[String](https://developer.android.com/reference/java/lang/String) | ` `[getNamespace](https://developer.android.com/reference/android/app/appsearch/SetSchemaResponse.MigrationFailure#getNamespace())`() ` Returns the namespace of the[GenericDocument](https://developer.android.com/reference/android/app/appsearch/GenericDocument)that failed to be migrated. |
| ` `[String](https://developer.android.com/reference/java/lang/String) | ` `[getSchemaType](https://developer.android.com/reference/android/app/appsearch/SetSchemaResponse.MigrationFailure#getSchemaType())`() ` Returns the schema type of the[GenericDocument](https://developer.android.com/reference/android/app/appsearch/GenericDocument)that failed to be migrated. |
| ` `[String](https://developer.android.com/reference/java/lang/String) | ` `[toString](https://developer.android.com/reference/android/app/appsearch/SetSchemaResponse.MigrationFailure#toString())`() ` Returns a string representation of the object. |
| ` void` | ` `[writeToParcel](https://developer.android.com/reference/android/app/appsearch/SetSchemaResponse.MigrationFailure#writeToParcel(android.os.Parcel,%20int))`(`[Parcel](https://developer.android.com/reference/android/os/Parcel)` dest, int flags) ` Flatten this object in to a Parcel. |
| ### Inherited methods |
|-----------------------|---|
| From class` `[java.lang.Object](https://developer.android.com/reference/java/lang/Object)` ` |--------------------------------------------------------------------------------|-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` `[Object](https://developer.android.com/reference/java/lang/Object) | ` `[clone](https://developer.android.com/reference/java/lang/Object#clone())`() ` Creates and returns a copy of this object. | | ` boolean` | ` `[equals](https://developer.android.com/reference/java/lang/Object#equals(java.lang.Object))`(`[Object](https://developer.android.com/reference/java/lang/Object)` obj) ` Indicates whether some other object is "equal to" this one. | | ` void` | ` `[finalize](https://developer.android.com/reference/java/lang/Object#finalize())`() ` Called by the garbage collector on an object when garbage collection determines that there are no more references to the object. | | ` final `[Class](https://developer.android.com/reference/java/lang/Class)`` | ` `[getClass](https://developer.android.com/reference/java/lang/Object#getClass())`() ` Returns the runtime class of this`Object`. | | ` int` | ` `[hashCode](https://developer.android.com/reference/java/lang/Object#hashCode())`() ` Returns a hash code value for the object. | | ` final void` | ` `[notify](https://developer.android.com/reference/java/lang/Object#notify())`() ` Wakes up a single thread that is waiting on this object's monitor. | | ` final void` | ` `[notifyAll](https://developer.android.com/reference/java/lang/Object#notifyAll())`() ` Wakes up all threads that are waiting on this object's monitor. | | ` `[String](https://developer.android.com/reference/java/lang/String) | ` `[toString](https://developer.android.com/reference/java/lang/Object#toString())`() ` Returns a string representation of the object. | | ` final void` | ` `[wait](https://developer.android.com/reference/java/lang/Object#wait(long,%20int))`(long timeoutMillis, int nanos) ` Causes the current thread to wait until it is awakened, typically by being*notified* or*interrupted*, or until a certain amount of real time has elapsed. | | ` final void` | ` `[wait](https://developer.android.com/reference/java/lang/Object#wait(long))`(long timeoutMillis) ` Causes the current thread to wait until it is awakened, typically by being*notified* or*interrupted*, or until a certain amount of real time has elapsed. | | ` final void` | ` `[wait](https://developer.android.com/reference/java/lang/Object#wait())`() ` Causes the current thread to wait until it is awakened, typically by being*notified* or*interrupted*. | ||
| From interface` `[android.os.Parcelable](https://developer.android.com/reference/android/os/Parcelable)` ` |------------------|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------| | ` abstract int` | ` `[describeContents](https://developer.android.com/reference/android/os/Parcelable#describeContents())`() ` Describe the kinds of special objects contained in this Parcelable instance's marshaled representation. | | ` abstract void` | ` `[writeToParcel](https://developer.android.com/reference/android/os/Parcelable#writeToParcel(android.os.Parcel,%20int))`(`[Parcel](https://developer.android.com/reference/android/os/Parcel)` dest, int flags) ` Flatten this object in to a Parcel. | ||
## Fields
### CREATOR
Added in[API level 35](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
Also in[T Extensions 13](https://developer.android.com/sdkExtensions)
```
public static final Creator CREATOR
```
## Public constructors
### MigrationFailure
Added in[API level 31](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public MigrationFailure (String namespace,
String documentId,
String schemaType,
AppSearchResult failedResult)
```
Constructs a new[MigrationFailure](https://developer.android.com/reference/android/app/appsearch/SetSchemaResponse.MigrationFailure).
| Parameters ||
|----------------|---------------------------------------------------------------------------------------------------------|
| `namespace` | `String`: The namespace of the document which failed to be migrated. This value cannot be`null`.
|
| `documentId` | `String`: The id of the document which failed to be migrated. This value cannot be`null`.
|
| `schemaType` | `String`: The type of the document which failed to be migrated. This value cannot be`null`.
|
| `failedResult` | `AppSearchResult`: The reason why the document failed to be indexed. This value cannot be`null`.
|
| Throws ||
|--------------------------------------------------------------------------------------------------------|-------------------------------------------------|
| [IllegalArgumentException](https://developer.android.com/reference/java/lang/IllegalArgumentException) | if the provided`failedResult`was not a failure. |
## Public methods
### getAppSearchResult
Added in[API level 31](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public AppSearchResult getAppSearchResult ()
```
Returns the[AppSearchResult](https://developer.android.com/reference/android/app/appsearch/AppSearchResult)that indicates why the post-migration[GenericDocument](https://developer.android.com/reference/android/app/appsearch/GenericDocument)failed to be indexed.
| Returns ||
|----------------------------------------------------------------------------------------------------------------------------------------------------------------------|------------------------------------|
| [AppSearchResult](https://developer.android.com/reference/android/app/appsearch/AppSearchResult)`<`[Void](https://developer.android.com/reference/java/lang/Void)`>` | This value cannot be`null`.
|
### getDocumentId
Added in[API level 31](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public String getDocumentId ()
```
Returns the id of the[GenericDocument](https://developer.android.com/reference/android/app/appsearch/GenericDocument)that failed to be migrated.
| Returns ||
|--------------------------------------------------------------------|------------------------------------|
| [String](https://developer.android.com/reference/java/lang/String) | This value cannot be`null`.
|
### getNamespace
Added in[API level 31](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public String getNamespace ()
```
Returns the namespace of the[GenericDocument](https://developer.android.com/reference/android/app/appsearch/GenericDocument)that failed to be migrated.
| Returns ||
|--------------------------------------------------------------------|------------------------------------|
| [String](https://developer.android.com/reference/java/lang/String) | This value cannot be`null`.
|
### getSchemaType
Added in[API level 31](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public String getSchemaType ()
```
Returns the schema type of the[GenericDocument](https://developer.android.com/reference/android/app/appsearch/GenericDocument)that failed to be migrated.
| Returns ||
|--------------------------------------------------------------------|------------------------------------|
| [String](https://developer.android.com/reference/java/lang/String) | This value cannot be`null`.
|
### toString
Added in[API level 31](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public String toString ()
```
Returns a string representation of the object.
| Returns ||
|--------------------------------------------------------------------|------------------------------------|
| [String](https://developer.android.com/reference/java/lang/String) | This value cannot be`null`.
|
### writeToParcel
Added in[API level 35](https://developer.android.com/guide/topics/manifest/uses-sdk-element#ApiLevels)
```
public void writeToParcel (Parcel dest,
int flags)
```
Flatten this object in to a Parcel.
| Parameters ||
|---------|----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
| `dest` | `Parcel`: This value cannot be`null`.
|
| `flags` | `int`: Additional flags about how the object should be written. May be 0 or[Parcelable.PARCELABLE_WRITE_RETURN_VALUE](https://developer.android.com/reference/android/os/Parcelable#PARCELABLE_WRITE_RETURN_VALUE). Value is either`0`or a combination of[Parcelable.PARCELABLE_WRITE_RETURN_VALUE](https://developer.android.com/reference/android/os/Parcelable#PARCELABLE_WRITE_RETURN_VALUE), and android.os.Parcelable.PARCELABLE_ELIDE_DUPLICATES
|