SliderIPCService (Slider Core 0.90.2-incubating API)

java.lang.Object
- org.apache.hadoop.service.AbstractService
- - org.apache.slider.server.appmaster.rpc.SliderIPCService

All Implemented Interfaces:

Closeable, AutoCloseable, org.apache.hadoop.ipc.VersionedProtocol, org.apache.hadoop.service.Service, SliderClusterProtocol
```
public class SliderIPCService
extends org.apache.hadoop.service.AbstractService
implements SliderClusterProtocol
```
Implement the SliderClusterProtocol.

Nested Class Summary
- Nested classes/interfaces inherited from interface org.apache.hadoop.service.Service
  org.apache.hadoop.service.Service.STATE

Field Summary

Fields
Modifier and Type Field and Description

protected static org.slf4j.Logger log

static String METRICS_PREFIX
This is the prefix used for metrics
- Fields inherited from interface org.apache.slider.api.SliderClusterProtocol
  versionID

Fields
Modifier and Type	Field and Description
`protected static org.slf4j.Logger`	`log`
`static String`	`METRICS_PREFIX` This is the prefix used for metrics

Constructor Summary

Constructors
Constructor and Description
`SliderIPCService(AppMasterActionOperations amOperations, CertificateManager certificateManager, StateAccessForProviders state, QueueAccess actionQueues, MetricsAndMonitoring metricsAndMonitoring, ContentCache cache)` Constructor

Method Summary

Methods
Modifier and Type	Method and Description
`Messages.AMSuicideResponseProto`	`amSuicide(Messages.AMSuicideRequestProto request)` AM to commit suicide.
`Messages.EchoResponseProto`	`echo(Messages.EchoRequestProto request)` Echo back the submitted text (after logging it).
`Messages.FlexClusterResponseProto`	`flexCluster(Messages.FlexClusterRequestProto request)` Flex the cluster.
`Messages.GetCertificateStoreResponseProto`	`getClientCertificateStore(Messages.GetCertificateStoreRequestProto request)`
`Messages.GetClusterNodesResponseProto`	`getClusterNodes(Messages.GetClusterNodesRequestProto request)` Get the details on a list of nodes.
`Messages.GetInstanceDefinitionResponseProto`	`getInstanceDefinition(Messages.GetInstanceDefinitionRequestProto request)` Get the instance definition
`Messages.GetJSONClusterStatusResponseProto`	`getJSONClusterStatus(Messages.GetJSONClusterStatusRequestProto request)` Get the current cluster status
`Messages.ComponentInformationProto`	`getLiveComponent(Messages.GetLiveComponentRequestProto request)`
`Messages.GetLiveComponentsResponseProto`	`getLiveComponents(Messages.GetLiveComponentsRequestProto request)`
`Messages.ContainerInformationProto`	`getLiveContainer(Messages.GetLiveContainerRequestProto request)`
`Messages.GetLiveContainersResponseProto`	`getLiveContainers(Messages.GetLiveContainersRequestProto request)`
`Messages.ApplicationLivenessInformationProto`	`getLivenessInformation(Messages.GetApplicationLivenessRequestProto request)` Get the application liveness
`Messages.NodeInformationProto`	`getLiveNode(Messages.GetLiveNodeRequestProto request)`
`Messages.GetLiveNodesResponseProto`	`getLiveNodes(Messages.GetLiveNodesRequestProto request)`
`Messages.WrappedJsonProto`	`getLiveResources(Messages.EmptyPayloadProto request)`
`Messages.WrappedJsonProto`	`getModelDesired(Messages.EmptyPayloadProto request)`
`Messages.WrappedJsonProto`	`getModelDesiredAppconf(Messages.EmptyPayloadProto request)`
`Messages.WrappedJsonProto`	`getModelDesiredResources(Messages.EmptyPayloadProto request)`
`Messages.WrappedJsonProto`	`getModelResolved(Messages.EmptyPayloadProto request)`
`Messages.WrappedJsonProto`	`getModelResolvedAppconf(Messages.EmptyPayloadProto request)`
`Messages.WrappedJsonProto`	`getModelResolvedResources(Messages.EmptyPayloadProto request)`
`Messages.GetNodeResponseProto`	`getNode(Messages.GetNodeRequestProto request)` Get the details on a node
`org.apache.hadoop.ipc.ProtocolSignature`	`getProtocolSignature(String protocol, long clientVersion, int clientMethodsHash)`
`long`	`getProtocolVersion(String protocol, long clientVersion)`
`Messages.KillContainerResponseProto`	`killContainer(Messages.KillContainerRequestProto request)` Kill an identified container
`Messages.ListNodeUUIDsByRoleResponseProto`	`listNodeUUIDsByRole(Messages.ListNodeUUIDsByRoleRequestProto request)` List all running nodes in a role
`protected Messages.WrappedJsonProto`	`lookupAggregateConf(String key)` Helper method; look up an aggregate configuration in the cache from a key, or raise an exception
`protected Messages.WrappedJsonProto`	`lookupConfTree(String key)` Helper method; look up an conf tree in the cache from a key, or raise an exception
`protected void`	`onRpcCall(String operation)` General actions to perform on a slider RPC call coming in
`void`	`queue(AsyncAction action)` Queue an action for immediate execution in the executor thread
`void`	`schedule(AsyncAction action)` Schedule an action
`Messages.StopClusterResponseProto`	`stopCluster(Messages.StopClusterRequestProto request)` Stop the cluster
`Messages.UpgradeContainersResponseProto`	`upgradeContainers(Messages.UpgradeContainersRequestProto request)` Upgrade the application containers

Methods inherited from class org.apache.hadoop.service.AbstractService
close, getBlockers, getConfig, getFailureCause, getFailureState, getLifecycleHistory, getName, getServiceState, getStartTime, init, isInState, noteFailure, putBlocker, registerGlobalListener, registerServiceListener, removeBlocker, serviceInit, serviceStart, serviceStop, setConfig, start, stop, toString, unregisterGlobalListener, unregisterServiceListener, waitForServiceToStop

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Field Detail
- log
```
protected static final org.slf4j.Logger log
```
- METRICS_PREFIX
```
public static final String METRICS_PREFIX
```
  This is the prefix used for metrics
  
  See Also:
  Constant Field Values

Constructor Detail

SliderIPCService

public SliderIPCService(AppMasterActionOperations amOperations,
                CertificateManager certificateManager,
                StateAccessForProviders state,
                QueueAccess actionQueues,
                MetricsAndMonitoring metricsAndMonitoring,
                ContentCache cache)

Constructor

Parameters:: amOperations - access to any AM operations; state - state view; actionQueues - queues for actions; metricsAndMonitoring - metrics; cache -

Method Detail

getProtocolSignature

public org.apache.hadoop.ipc.ProtocolSignature getProtocolSignature(String protocol,
                                                           long clientVersion,
                                                           int clientMethodsHash)
                                                             throws IOException

Specified by:: getProtocolSignature in interface org.apache.hadoop.ipc.VersionedProtocol
Throws:: IOException

getProtocolVersion

public long getProtocolVersion(String protocol,
                      long clientVersion)
                        throws IOException

Specified by:: getProtocolVersion in interface org.apache.hadoop.ipc.VersionedProtocol
Throws:: IOException

onRpcCall
```
protected void onRpcCall(String operation)
                  throws IOException
```
General actions to perform on a slider RPC call coming in

Parameters:
operation - operation to log

Throws:

IOException - problems

ServiceNotReadyException - if the RPC service is constructed but not fully initialized

schedule
```
public void schedule(AsyncAction action)
```
Schedule an action

Parameters:
action - for delayed execution

queue
```
public void queue(AsyncAction action)
```
Queue an action for immediate execution in the executor thread

Parameters:
action - action to execute