Package org.hcjf.layers

Class Layer

java.lang.Object

org.hcjf.layers.Layer

All Implemented Interfaces:

java.lang.reflect.InvocationHandler, LayerInterface

Direct Known Subclasses:

BaseFunctionLayer, CloudOrchestrator.SystemCloudNodeReadableImplementation, CloudOrchestrator.SystemCloudServiceReadableImplementation, CrudLayer, DefaultLocaleLayer, DistributedLayer, FormUrlEncodedDecoder, HttpPackage.ChunkedDecoderLayer, KubernetesJobResource, KubernetesSpyResource, Layers.SystemLayerReadableImplementation, Layers.SystemResourceReadableImplementation, MultipartFormDataDecoder, ParameterizedQuery.ParameterizedQueryBsonCustomBuilderLayer, PluginLayer, PropertiesFileLocaleLayer, QueryBsonBuilderLayer

public abstract class Layer
extends java.lang.Object
implements LayerInterface

All the layer implementation extends this class, and this class is a proxy between the layer client and implementation.

Author:

javaito

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	Layer.Access	This class represents the access resume of the layer.
static class	Layer.LayerAgent
static interface	Layer.LayerAgentMBean

Constructor Summary

Constructors

Constructor	Description
Layer()
Layer(boolean stateful)
Layer(java.lang.String implName)
Layer(java.lang.String implName, boolean stateful)	This is the end point for all the layers constructor.

Method Summary

Modifier and Type	Method	Description
protected Layer.Access	checkAccess()	This method must be override to add restrictions over particular implementations of the layers.
java.util.Set<java.lang.String>	getAliases()	Return the string set with all the aliases for this implementation.
java.lang.String	getImplName()	Return the layer implementation name.
protected <L extends LayerInterface> L	getLayer(java.lang.Class<? extends L> layerClass, java.lang.String implName)	Delegation method to get some layer implementation.
LayerProxy	getProxy()	Return the layer proxy of the layer or null by default.
protected ServiceSession	getSession()	Return the session associated to the execution thread.
protected java.lang.Object	getTarget()	This method return the invocation target.
java.lang.Object	invoke(java.lang.Object proxy, java.lang.reflect.Method method, java.lang.Object[] args)	This method intercepts the call to layer implementation and save some information about the thread behavior.
boolean	isOverwritable()	This method return true if the layer instance is overwritable for other instance whit the same name.
boolean	isPlugin()	Returns true if the layer implementations is a instanceof plugin or false in the otherwise.
boolean	isStateful()	Return if the layer is stateful or not.

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.hcjf.layers.LayerInterface

getRegex, isDistributed

Constructor Detail

Layer

public Layer(java.lang.String implName,
             boolean stateful)

This is the end point for all the layers constructor.

Parameters:

implName - Implementation name.

stateful - Stateful status.

Layer

public Layer(java.lang.String implName)

Layer

public Layer(boolean stateful)

Layer

public Layer()

Method Detail

getImplName

public java.lang.String getImplName()

Return the layer implementation name.

Specified by:

getImplName in interface LayerInterface

Returns:

Layer implementation name.

isStateful

public final boolean isStateful()

Return if the layer is stateful or not.

Specified by:

isStateful in interface LayerInterface

Returns:

Stateful

isPlugin

public final boolean isPlugin()

Returns true if the layer implementations is a instanceof plugin or false in the otherwise.

Specified by:

isPlugin in interface LayerInterface

Returns:

Plugin status.

getAliases

public java.util.Set<java.lang.String> getAliases()

Return the string set with all the aliases for this implementation.

Returns:

Aliases for this implementation.

isOverwritable

public boolean isOverwritable()

This method return true if the layer instance is overwritable for other instance whit the same name.

Returns:

True if the layer is overwritable or false in the otherwise.

checkAccess

protected Layer.Access checkAccess()

This method must be override to add restrictions over particular implementations of the layers.

Returns:

Access object.

getLayer

protected final <L extends LayerInterface> L getLayer(java.lang.Class<? extends L> layerClass,
                                                      java.lang.String implName)

Delegation method to get some layer implementation.

Type Parameters:

L - Expected layer implementation class.

Parameters:

layerClass - Layer implementation class.

implName - Layer implementation name.

Returns:

Layer implementation.

getProxy

public LayerProxy getProxy()

Return the layer proxy of the layer or null by default.

Returns:

Layer proxy instance.

invoke

public java.lang.Object invoke(java.lang.Object proxy,
                               java.lang.reflect.Method method,
                               java.lang.Object[] args)
                        throws java.lang.Throwable

This method intercepts the call to layer implementation and save some information about the thread behavior.

Specified by:

invoke in interface java.lang.reflect.InvocationHandler

Parameters:

proxy - Object to be called.

method - Method to be called.

args - Method to invoke the method.

Returns:

Return the value returned for the proxy method.

Throws:

java.lang.Throwable - Throw all the generated exceptions.

getTarget

protected java.lang.Object getTarget()

This method return the invocation target.

Returns:

Invocation target.

getSession

protected final ServiceSession getSession()

Return the session associated to the execution thread.

Returns:

Service session.