VMware GemFire Java API Reference
Class Failure<SuccessType>
- java.lang.Object
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- org.apache.geode.services.result.impl.Failure<SuccessType>
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- Type Parameters:
SuccessType- the result type for a successful operation. Not used by theFailuretype but required by theServiceResult
- All Implemented Interfaces:
Result<SuccessType,String>,ServiceResult<SuccessType>
public class Failure<SuccessType> extends Object implements ServiceResult<SuccessType>
This type ofServiceResultrepresents a failed operation. It contains the errorMessage for the failure.- Since:
- 1.14.0
- See Also:
ServiceResult,Success
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Method Summary
All Methods Static Methods Instance Methods Concrete Methods Modifier and Type Method Description StringgetErrorMessage()The return message of a failed operation.SuccessTypegetMessage()The return message of a successful operation.ServiceResult<SuccessType>ifFailure(Consumer<? super String> consumer)If the result of the operation has failed, invoke the specified consumer with the value, otherwise do nothing.booleanisFailure()Returns a boolean to indicate the success or failure of the operation<T> Tmap(Function<SuccessType,T> successFunction, Function<String,T> errorFunction)A mapping function that maps to eitherSuccessTypeorFailureTypedepending on success or failure of the operation.static <T> Failure<T>of(String errorMessage)Creates aFailureobject containing the errorMessagestatic <T> Failure<T>of(String errorMessage, Throwable throwable)Creates aFailureobject containing the errorMessagestatic <T> Failure<T>of(Throwable throwable)Creates aFailureobject containing the throwable-
Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.apache.geode.services.result.Result
isSuccessful
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Methods inherited from interface org.apache.geode.services.result.ServiceResult
ifSuccessful
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Method Detail
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of
public static <T> Failure<T> of(String errorMessage)
Creates aFailureobject containing the errorMessage- Type Parameters:
T- the type of the result- Parameters:
errorMessage- the error message describing the reason for failure.- Returns:
- an
Failureinstance containing the errorMessage
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of
public static <T> Failure<T> of(Throwable throwable)
Creates aFailureobject containing the throwable- Type Parameters:
T- the type of the result- Parameters:
throwable- the error message describing the reason for failure.- Returns:
- an
Failureinstance containing the throwable
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of
public static <T> Failure<T> of(String errorMessage, Throwable throwable)
Creates aFailureobject containing the errorMessage- Type Parameters:
T- the type of the result- Parameters:
errorMessage- the error message describing the reason for failure.throwable- the throwable that caused the failure- Returns:
- an
Failureinstance containing the errorMessage
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map
public <T> T map(Function<SuccessType,T> successFunction, Function<String,T> errorFunction)
Description copied from interface:ResultA mapping function that maps to eitherSuccessTypeorFailureTypedepending on success or failure of the operation.- Specified by:
mapin interfaceResult<SuccessType,String>- Specified by:
mapin interfaceServiceResult<SuccessType>- Type Parameters:
T- the resultant type- Parameters:
successFunction- the mapping function to map the SuccessType to the resultant typeerrorFunction- the mapping function to map the FailureType to the resultant error type- Returns:
- result of type
T
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getMessage
public SuccessType getMessage()
Description copied from interface:ResultThe return message of a successful operation. The return type is of typeSuccessType- Specified by:
getMessagein interfaceResult<SuccessType,String>- Specified by:
getMessagein interfaceServiceResult<SuccessType>- Returns:
- the result of the operation
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getErrorMessage
public String getErrorMessage()
Description copied from interface:ResultThe return message of a failed operation. The return type is of typeFailureType- Specified by:
getErrorMessagein interfaceResult<SuccessType,String>- Specified by:
getErrorMessagein interfaceServiceResult<SuccessType>- Returns:
- the failure message of why the operation did not succeed.
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ifFailure
public ServiceResult<SuccessType> ifFailure(Consumer<? super String> consumer)
Description copied from interface:ServiceResultIf the result of the operation has failed, invoke the specified consumer with the value, otherwise do nothing.- Specified by:
ifFailurein interfaceServiceResult<SuccessType>- Parameters:
consumer- block to be executed if a value is present- Returns:
- this
ServiceResult
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isFailure
public boolean isFailure()
Description copied from interface:ResultReturns a boolean to indicate the success or failure of the operation- Specified by:
isFailurein interfaceResult<SuccessType,String>- Returns:
- true indicating the failure of the operation
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