Package org.apache.ignite.internal.managers.deployment

Class GridDeployment

java.lang.Object

org.apache.ignite.internal.util.lang.GridMetadataAwareAdapter

org.apache.ignite.internal.managers.deployment.GridDeployment

All Implemented Interfaces:

GridDeploymentInfo

public class GridDeployment
extends GridMetadataAwareAdapter
implements GridDeploymentInfo

Represents single class deployment.

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.ignite.internal.util.lang.GridMetadataAwareAdapter

GridMetadataAwareAdapter.EntryKey

Method Summary

Modifier and Type	Method	Description
boolean	acquire()	Increments usage count for deployment.
boolean	addDeployedClass(Class<?> cls, String... aliases)	Adds deployed class together with aliases.
@Nullable Object	annotatedValue(Object target, Class<? extends Annotation> annCls)	Gets value of annotated field or method.
<T extends Annotation> T	annotation(Class<?> cls, Class<T> annCls)
ClassLoader	classLoader()
IgniteUuid	classLoaderId()	Gets property clsLdrId.
@Nullable IgniteBiTuple<Class<?>,Throwable>	deployedClass(String clsName, String... alias)	Gets class for a name.
Collection<Class<?>>	deployedClasses()
Map<String,Class<?>>	deployedClassMap()
DeploymentMode	deployMode()	Gets property depMode.
Class<?>	existingDeployedClass(String clsName)
boolean	hasName(String name)
boolean	internalTask(@Nullable ComputeTask task, Class<?> taskCls)	Checks whether task class is annotated with GridInternal.
boolean	local()	Gets property local.
boolean	localDeploymentOwner()
<T> T	newInstance(Class<T> cls)
boolean	obsolete()	Checks if deployment is obsolete, i.e. is not used and has been undeployed.
void	onDeployed(Class<?> cls)	Deployment callback.
void	onUndeployScheduled()	Invoked whenever this deployment is scheduled to be undeployed.
@Nullable Map<UUID,IgniteUuid>	participants()
boolean	pendingUndeploy()	Gets property pendingUndeploy.
void	release()	Decrements usage count.
String	sampleClassName()
long	sequenceNumber()
long	timestamp()	Gets timestamp.
String	toString()
void	undeploy()	Sets property undeployed.
boolean	undeployed()	Gets property undeployed.
String	userVersion()	Gets property userVer.
boolean	visorManagementTask(@Nullable ComputeTask<?,?> task, @NotNull Class<?> taskCls)	Checks whether task class is a management task.

Methods inherited from class org.apache.ignite.internal.util.lang.GridMetadataAwareAdapter

addMeta, addMetaIfAbsent, addMetaIfAbsent, allMeta, clone, copyMeta, copyMeta, hasMeta, hasMeta, meta, putMetaIfAbsent, removeAllMeta, removeMeta, removeMeta, replaceMeta

Methods inherited from class java.lang.Object

equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Method Detail

timestamp

public long timestamp()

Gets timestamp.

Returns:

Timestamp.

sampleClassName

public String sampleClassName()

Returns:

Sample class name.

deployMode

public DeploymentMode deployMode()

Gets property depMode.

Specified by:

deployMode in interface GridDeploymentInfo

Returns:

Property depMode.

localDeploymentOwner

public boolean localDeploymentOwner()

Specified by:

localDeploymentOwner in interface GridDeploymentInfo

Returns:

Local deployment ownership flag.

sequenceNumber

public long sequenceNumber()

Specified by:

sequenceNumber in interface GridDeploymentInfo

Returns:

Sequence number.

classLoader

public ClassLoader classLoader()

Returns:

Class loader.

classLoaderId

public IgniteUuid classLoaderId()

Gets property clsLdrId.

Specified by:

classLoaderId in interface GridDeploymentInfo

Returns:

Property clsLdrId.

userVersion

public String userVersion()

Gets property userVer.

Specified by:

userVersion in interface GridDeploymentInfo

Returns:

Property userVer.

hasName

public boolean hasName(String name)

Parameters:

name - Either class name or alias.

Returns:

True if name is equal to either class name or alias.

local

public boolean local()

Gets property local.

Returns:

Property local.

undeployed

public boolean undeployed()

Gets property undeployed.

Returns:

Property undeployed.

undeploy

public void undeploy()

Sets property undeployed.

pendingUndeploy

public boolean pendingUndeploy()

Gets property pendingUndeploy.

Returns:

Property pendingUndeploy.

onUndeployScheduled

public void onUndeployScheduled()

Invoked whenever this deployment is scheduled to be undeployed. Used for handling obsolete or phantom requests.

acquire

public boolean acquire()

Increments usage count for deployment. If deployment is undeployed, then usage count is not incremented.

Returns:

True if deployment is still active.

release

public void release()

Decrements usage count.

obsolete

public boolean obsolete()

Checks if deployment is obsolete, i.e. is not used and has been undeployed.

Returns:

True if deployment is obsolete.

participants

@Nullable
public @Nullable Map<UUID,IgniteUuid> participants()

Specified by:

participants in interface GridDeploymentInfo

Returns:

Node participant map.

onDeployed

public void onDeployed(Class<?> cls)

Deployment callback.

Parameters:

cls - Deployed class.

annotation

public <T extends Annotation> T annotation(Class<?> cls,
                                           Class<T> annCls)

Type Parameters:

T - Annotation class.

Parameters:

cls - Class to get annotation for.

annCls - Annotation class.

Returns:

Annotation value.

internalTask

public boolean internalTask(@Nullable
                            @Nullable ComputeTask task,
                            Class<?> taskCls)

Checks whether task class is annotated with GridInternal.

Parameters:

task - Task.

taskCls - Task class.

Returns:

True if task is internal.

visorManagementTask

public boolean visorManagementTask(@Nullable
                                   @Nullable ComputeTask<?,?> task,
                                   @NotNull
                                   @NotNull Class<?> taskCls)

Checks whether task class is a management task.

Parameters:

task - Task.

taskCls - Task class.

Returns:

True if task is internal.

newInstance

@Nullable
public <T> T newInstance(Class<T> cls)
                  throws IgniteCheckedException

Parameters:

cls - Class to create new instance of (using default constructor).

Returns:

New instance.

Throws:

IgniteCheckedException - If failed.

existingDeployedClass

public Class<?> existingDeployedClass(String clsName)

Parameters:

clsName - Class name to check.

Returns:

Class for given name if it was previously deployed.

deployedClass

@Nullable
public @Nullable IgniteBiTuple<Class<?>,Throwable> deployedClass(String clsName,
                                                                       String... alias)

Gets class for a name.

Parameters:

clsName - Class name.

alias - Optional array of aliases.

Returns:

Class for given name.

addDeployedClass

public boolean addDeployedClass(Class<?> cls,
                                String... aliases)

Adds deployed class together with aliases.

Parameters:

cls - Deployed class.

aliases - Class aliases.

Returns:

True if class was added.

deployedClasses

public Collection<Class<?>> deployedClasses()

Returns:

Deployed classes.

deployedClassMap

public Map<String,Class<?>> deployedClassMap()

Returns:

Deployed class map, keyed by class name or alias.

annotatedValue

@Nullable
public @Nullable Object annotatedValue(Object target,
                                       Class<? extends Annotation> annCls)
                                throws IgniteCheckedException

Gets value of annotated field or method.

Parameters:

target - Object to find a value in.

annCls - Annotation class.

Returns:

Value of annotated field or method.

Throws:

IgniteCheckedException - If failed to find.

toString

public String toString()

Overrides:

toString in class Object