public class UserExistsOperation extends java.lang.Object implements AsyncReadOperation<java.lang.Boolean>, ReadOperation<java.lang.Boolean>
Modifier and Type | Field and Description |
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private java.lang.String |
databaseName |
private java.lang.String |
userName |
Constructor and Description |
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UserExistsOperation(java.lang.String databaseName,
java.lang.String userName)
Construct a new instance.
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Modifier and Type | Method and Description |
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java.lang.Boolean |
execute(ReadBinding binding)
General execute which can return anything of type T
|
void |
executeAsync(AsyncReadBinding binding,
SingleResultCallback<java.lang.Boolean> callback)
General execute which can return anything of type T
|
private BsonDocument |
getCommand() |
private CommandOperationHelper.CommandTransformer<BsonDocument,java.lang.Boolean> |
transformer() |
private final java.lang.String databaseName
private final java.lang.String userName
public UserExistsOperation(java.lang.String databaseName, java.lang.String userName)
databaseName
- the name of the database for the operation.userName
- the name of the user to check if they exist.public java.lang.Boolean execute(ReadBinding binding)
ReadOperation
execute
in interface ReadOperation<java.lang.Boolean>
binding
- the binding to execute in the context ofpublic void executeAsync(AsyncReadBinding binding, SingleResultCallback<java.lang.Boolean> callback)
AsyncReadOperation
executeAsync
in interface AsyncReadOperation<java.lang.Boolean>
binding
- the binding to execute in the context ofcallback
- the callback to be called when the operation has been executedprivate CommandOperationHelper.CommandTransformer<BsonDocument,java.lang.Boolean> transformer()
private BsonDocument getCommand()