EmrRequest Class

(QtAws::EMR::EmrRequest)

The EmrRequest class provides an interface for EMR requests. More...

Public Types

enum Action { AddInstanceFleetAction, AddInstanceGroupsAction, AddJobFlowStepsAction, AddTagsAction, ..., TerminateJobFlowsAction }
flags Actions

Public Functions

EmrRequest(const Action action)
EmrRequest(const EmrRequest &other)
Action action() const
QString actionString() const
QString apiVersion() const
void setAction(const Action action)
void setApiVersion(const QString &version)
EmrRequest &operator=(const EmrRequest &other)
virtual bool operator==(const EmrRequest &other) const

Protected Functions

EmrRequest(EmrRequestPrivate * const d)
int clearParameter(const QString &name)
void clearParameters()
QVariant parameter(const QString &name, const QVariant &defaultValue = QVariant()) const
const QVariantMap &parameters() const
void setParameter(const QString &name, const QVariant &value)
void setParameters(const QVariantMap &parameters)

Reimplemented Protected Functions

virtual QNetworkRequest unsignedRequest(const QUrl &endpoint) const override

Detailed Description

The EmrRequest class provides an interface for EMR requests.

Member Type Documentation

enum EmrRequest::Action
flags EmrRequest::Actions

This enum describes the actions that can be performed as EMR requests.

ConstantValueDescription
QtAws::EMR::EmrRequest::AddInstanceFleetAction0EMR AddInstanceFleet action.
QtAws::EMR::EmrRequest::AddInstanceGroupsAction1EMR AddInstanceGroups action.
QtAws::EMR::EmrRequest::AddJobFlowStepsAction2EMR AddJobFlowSteps action.
QtAws::EMR::EmrRequest::AddTagsAction3EMR AddTags action.
QtAws::EMR::EmrRequest::CancelStepsAction4EMR CancelSteps action.
QtAws::EMR::EmrRequest::CreateSecurityConfigurationAction5EMR CreateSecurityConfiguration action.
QtAws::EMR::EmrRequest::DeleteSecurityConfigurationAction6EMR DeleteSecurityConfiguration action.
QtAws::EMR::EmrRequest::DescribeClusterAction7EMR DescribeCluster action.
QtAws::EMR::EmrRequest::DescribeJobFlowsAction8EMR DescribeJobFlows action.
QtAws::EMR::EmrRequest::DescribeSecurityConfigurationAction9EMR DescribeSecurityConfiguration action.
QtAws::EMR::EmrRequest::DescribeStepAction10EMR DescribeStep action.
QtAws::EMR::EmrRequest::ListBootstrapActionsAction11EMR ListBootstrapActions action.
QtAws::EMR::EmrRequest::ListClustersAction12EMR ListClusters action.
QtAws::EMR::EmrRequest::ListInstanceFleetsAction13EMR ListInstanceFleets action.
QtAws::EMR::EmrRequest::ListInstanceGroupsAction14EMR ListInstanceGroups action.
QtAws::EMR::EmrRequest::ListInstancesAction15EMR ListInstances action.
QtAws::EMR::EmrRequest::ListSecurityConfigurationsAction16EMR ListSecurityConfigurations action.
QtAws::EMR::EmrRequest::ListStepsAction17EMR ListSteps action.
QtAws::EMR::EmrRequest::ModifyInstanceFleetAction18EMR ModifyInstanceFleet action.
QtAws::EMR::EmrRequest::ModifyInstanceGroupsAction19EMR ModifyInstanceGroups action.
QtAws::EMR::EmrRequest::PutAutoScalingPolicyAction20EMR PutAutoScalingPolicy action.
QtAws::EMR::EmrRequest::RemoveAutoScalingPolicyAction21EMR RemoveAutoScalingPolicy action.
QtAws::EMR::EmrRequest::RemoveTagsAction22EMR RemoveTags action.
QtAws::EMR::EmrRequest::RunJobFlowAction23EMR RunJobFlow action.
QtAws::EMR::EmrRequest::SetTerminationProtectionAction24EMR SetTerminationProtection action.
QtAws::EMR::EmrRequest::SetVisibleToAllUsersAction25EMR SetVisibleToAllUsers action.
QtAws::EMR::EmrRequest::TerminateJobFlowsAction26EMR TerminateJobFlows action.

The Actions type is a typedef for QFlags<Action>. It stores an OR combination of Action values.

Member Function Documentation

EmrRequest::EmrRequest(const Action action)

Constructs a EmrRequest object for EMR action.

EmrRequest::EmrRequest(const EmrRequest &other)

Constructs a copy of other.

[protected] EmrRequest::EmrRequest(EmrRequestPrivate * const d)

Constructs aa EmrRequest object with private implementation d.

This overload allows derived classes to provide their own private class implementation that inherits from EmrRequestPrivate.

Action EmrRequest::action() const

Returns the EMR action to be performed by this request.

See also setAction().

QString EmrRequest::actionString() const

Returns the name of the EMR action to be performed by this request.

QString EmrRequest::apiVersion() const

Returns the EMR API version implemented by this request.

See also setApiVersion().

[protected] int EmrRequest::clearParameter(const QString &name)

Removes the a name parameter from the request, then returns the number of paramters removed (typically 0 or 1).

[protected] void EmrRequest::clearParameters()

Removes all parameters from the request.

[protected] QVariant EmrRequest::parameter(const QString &name, const QVariant &defaultValue = QVariant()) const

Returns the value of the name pararemter if set; defaultValue otherwise.

See also setParameter().

[protected] const QVariantMap &EmrRequest::parameters() const

Returns the parameters included in this request.

See also setParameters().

void EmrRequest::setAction(const Action action)

Sets the EMR action to be performed by this request to action.

See also action().

void EmrRequest::setApiVersion(const QString &version)

Sets the EMR API version to include in this request to version.

See also apiVersion().

[protected] void EmrRequest::setParameter(const QString &name, const QVariant &value)

Sets the name parameter to value.

See also parameter().

[protected] void EmrRequest::setParameters(const QVariantMap &parameters)

Sets the paramters for this request to parameters. Any request parameters set previously will be discarded.

See also parameters().

[override virtual protected] QNetworkRequest EmrRequest::unsignedRequest(const QUrl &endpoint) const

Reimplemented from AwsAbstractRequest::unsignedRequest().

Returns a network request for the EMR request using the given endpoint.

This EMR implementation builds request URLs by combining the common query parameters (such as Action and Version), with any that have been added (via setParameter) by child classes.

EmrRequest &EmrRequest::operator=(const EmrRequest &other)

Sets the EmrRequest object to be equal to other.

[virtual] bool EmrRequest::operator==(const EmrRequest &other) const

Returns true if this request is equal to other; false otherwise.

Note, most derived *Request classes do not need to provider their own implementations of this function, since most such request classes rely on this class' parameters functionality for all request parameters, and that parameters map is already checked via this implementation.

© 2018 Paul Colby Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. Qt and respective logos are trademarks of The Qt Company Ltd. in Finland and/or other countries worldwide. All other trademarks are property of their respective owners.