org.gcube.opensearch.opensearchdatasource

Class OpenSearchDataSourceResource

java.lang.Object

org.gcube.common.core.utils.handlers.GCUBEServiceClientImpl

org.gcube.common.core.state.GCUBEStatefulResource<org.gcube.common.core.state.GCUBEWSResourceKey>

org.gcube.common.core.state.GCUBEWSResource

org.gcube.opensearch.opensearchdatasource.OpenSearchDataSourceResource

All Implemented Interfaces:

org.gcube.common.core.utils.handlers.GCUBEServiceClient, org.globus.wsrf.PersistenceCallback, org.globus.wsrf.Resource, org.globus.wsrf.ResourceLifetime, org.globus.wsrf.ResourceProperties, org.globus.wsrf.TopicListAccessor

public class OpenSearchDataSourceResource
extends org.gcube.common.core.state.GCUBEWSResource

A class containing stateful information regarding an OpenSearch adaptor.

Author:

gerasimos.farantatos, NKUA

Nested Class Summary

Nested classes/interfaces inherited from class org.gcube.common.core.state.GCUBEStatefulResource

org.gcube.common.core.state.GCUBEStatefulResource.LOCK, org.gcube.common.core.state.GCUBEStatefulResource.TaskContext

Field Summary

Fields

Modifier and Type	Field and Description
List<String>	allPresentableNames
protected boolean	bInitializing Is the resource in the initialization state or not?
org.gcube.opensearch.opensearchoperator.resource.ISOpenSearchResourceCache	cache
org.gcube.opensearch.opensearchoperator.resource.ISOpenSearchResource[]	openSearchGenericResources
List<String>	presentableFields
static String	RP_ADAPTOR_ID The list of standard resource properties defined by every OpenSearch WS resource
static String	RP_COLLECTION_ID
static String	RP_DESCRIPTION_DOCUMENT_URI
static String	RP_FIELDS
static String	RP_FIXEDPARAMETERS
static String	RP_OPENSEARCH_RESOURCE
static String	RP_SUPPORTED_RELATIONS
protected static String[]	RPNames
List<String>	searchableFields

Fields inherited from class org.gcube.common.core.state.GCUBEStatefulResource

uuidGen

Constructor Summary

Constructors

Constructor and Description
OpenSearchDataSourceResource() Empty constructor.

Method Summary

Methods

Modifier and Type	Method and Description
void	addCachedOpenSearchResource(String ddURL, org.gcube.common.core.informationsystem.client.XMLResult resource) Adds an OpenSearch Resource to the brokered provider's resource cache
void	addCachedOpenSearchResources(Map<String,org.gcube.common.core.informationsystem.client.XMLResult> resources) Adds the OpenSearch Resources contained in the map to the brokered provider's resource cache
void	addCollectionID(String collectionID) Adds a collection id to the collectionID resource property
void	addDescriptionDocumentURI(String descriptionDocumentURI)
void	addProviders(String[] fields, String[] collectionIds, String[] openSearchResourceIDs, String[][] fixedParams)
protected void	filterFieldInfo(List<String> presentableFields, List<String> searchableFields)
String	getAdaptorID() Getter method for the AdaptorID Resource Property
org.gcube.opensearch.opensearchoperator.resource.OpenSearchResource	getCachedOpenSearchResource(String ddURL) Returns the cached OpenSearch Resource of a brokered provider whose description document URL is ddURL
List<org.gcube.opensearch.opensearchoperator.resource.OpenSearchResource>	getCachedOpenSearchResources() Returns all cached OpenSearch Resources of the brokered providers associated with the provider of this WS-Resource
String[]	getCollectionID() Getter method for the CollectionID list Resource Property
Document	getDescriptionDocument(int i) Getter method for the cached Description document
String[]	getDescriptionDocumentURI() Getter method for the DescriptionDocumentURI list Resource Property
String	getDescriptionDocumentURI(int i) Getter method for the DescriptionDocument Resource Property
String[]	getFields() Getter method for the Fields list Resource Property
String[]	getFixedParameters() Getter method for the FixedParameters list Resource Property
gr.uoa.di.madgik.environment.hint.EnvHintCollection	getISEnvHints() Retrieves the InformationSystem environmental hints that this resource is using
String[]	getOpenSearchResource() Getter method for the OpenSearchResource list Resource Property
String	getOpenSearchResource(int i) Getter method for the OpenSearchResource Resource Property
String[]	getPropertyNames() Retrieves the property names
protected void	initialise(Object... args) This method is used to initialize the resource instance, and must be called before using the resource instance.
boolean	isInitializing() Returns the current initialization state of the resource
protected void	onLoad(ObjectInputStream ois, boolean firstLoad) Invoked when a resource is being created from a serialized, previously saved state.
void	onResourceRemoval()
protected void	onStore(ObjectOutputStream oos) Invoked when the state of the resource must be saved (resource serialization)
URI	query(String cqlQuery) Performs a query on the OpenSearch provider that is connected to this resource.
static org.gcube.common.core.informationsystem.client.XMLResult	retrieveGenericResource(String id, org.gcube.common.core.scope.GCUBEScope scope) Retrieves a generic resource using the IS
static String[]	retrieveTemplates(org.gcube.opensearch.opensearchlibrary.DescriptionDocument dd, org.gcube.opensearch.opensearchoperator.resource.OpenSearchResource res)
void	setAdaptorID(String adaptorID) Setter method for the AdaptorID Resource Property
void	setCollectionID(String[] collectionIDs) Setter method for the CollectionID list Resource Property
void	setDescriptionDocumentURI(String descriptionDocumentURI) Setter method for the DescriptionDocument Resource Property
void	setDescriptionDocumentURI(String[] descriptionDocumentURIs) Setter method for the DescriptionDocumentURI list Resource Property
void	setFixedParameters(String[] fixedParameters) Setter method for the FixedParameters list Resource Property
void	setIsInitializing(boolean isInitializing) Specifies the current state of the resource (initializing or not)
void	setOpenSearchResource(String openSearchResource) Setter method for the OpenSearchResource Resource Property
void	setOpenSearchResource(String[] openSearchResource) Setter method for the OpenSearchResource list Resource Property
void	store()

Methods inherited from class org.gcube.common.core.state.GCUBEWSResource

getCurrentTime, getEPR, getPorttypeContext, getProperty, getPublisher, getResourcePropertySet, getServiceContext, getTerminationTime, getTopicList, getTopicNames, initialise, initialiseContainers, inScope, load, publish, setPortTypeContext, setTerminationTime, unpublish

Methods inherited from class org.gcube.common.core.state.GCUBEStatefulResource

getID, getLock, getScheduledTasks, getScope, launchTask, onRemove, setID, setPersistenceDelegate, stopTask

Methods inherited from class org.gcube.common.core.utils.handlers.GCUBEServiceClientImpl

getPortTypeMap, setPortTypeMap

Methods inherited from class java.lang.Object

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

Field Detail

openSearchGenericResources

public org.gcube.opensearch.opensearchoperator.resource.ISOpenSearchResource[] openSearchGenericResources

cache

public org.gcube.opensearch.opensearchoperator.resource.ISOpenSearchResourceCache cache

searchableFields

public List<String> searchableFields

presentableFields

public List<String> presentableFields

allPresentableNames

public List<String> allPresentableNames

RP_ADAPTOR_ID

public static final String RP_ADAPTOR_ID

The list of standard resource properties defined by every OpenSearch WS resource

See Also:

Constant Field Values

RP_COLLECTION_ID

public static final String RP_COLLECTION_ID

See Also:

Constant Field Values

RP_SUPPORTED_RELATIONS

public static final String RP_SUPPORTED_RELATIONS

See Also:

Constant Field Values

RP_FIELDS

public static final String RP_FIELDS

See Also:

Constant Field Values

RP_DESCRIPTION_DOCUMENT_URI

public static final String RP_DESCRIPTION_DOCUMENT_URI

See Also:

Constant Field Values

RP_FIXEDPARAMETERS

public static final String RP_FIXEDPARAMETERS

See Also:

Constant Field Values

RP_OPENSEARCH_RESOURCE

public static final String RP_OPENSEARCH_RESOURCE

See Also:

Constant Field Values

RPNames

protected static String[] RPNames

bInitializing

protected boolean bInitializing

Is the resource in the initialization state or not?

Constructor Detail

OpenSearchDataSourceResource

public OpenSearchDataSourceResource()

Empty constructor. Initialization is done through the initialize(...) method.

Method Detail

retrieveTemplates

public static String[] retrieveTemplates(org.gcube.opensearch.opensearchlibrary.DescriptionDocument dd,
                         org.gcube.opensearch.opensearchoperator.resource.OpenSearchResource res)
                                  throws Exception

Throws:

Exception

getPropertyNames

public String[] getPropertyNames()

Retrieves the property names

Overrides:

getPropertyNames in class org.gcube.common.core.state.GCUBEWSResource

Returns:

An array containing the property names

isInitializing

public boolean isInitializing()

Returns the current initialization state of the resource

Returns:

true if the resoure is currently initializing, false otherwise

setIsInitializing

public void setIsInitializing(boolean isInitializing)

Specifies the current state of the resource (initializing or not)

Parameters:

isInitializing - the initialization state to set

initialise

protected void initialise(Object... args)
                   throws Exception

This method is used to initialize the resource instance, and must be called before using the resource instance.

Specified by:

initialise in class org.gcube.common.core.state.GCUBEWSResource

Parameters:

key - String - used as the key for this OpenSearch adaptor

collectionIDs - String[] - a list of IDs of the collections(for now we have only one collection) that refer to this OpenSearch adaptor

genericResource - String - the openSearch generic resource expressed as an XMLResult

openSearchResource - String - the ID of the openSearch generic resource

fixedParameters - String - parameters that must be fixed in the templates of a broker, in the broker-case

Throws:

Exception

addProviders

public void addProviders(String[] fields,
                String[] collectionIds,
                String[] openSearchResourceIDs,
                String[][] fixedParams)
                  throws Exception

Throws:

Exception

onLoad

protected void onLoad(ObjectInputStream ois,
          boolean firstLoad)
               throws Exception

Invoked when a resource is being created from a serialized, previously saved state.

Parameters:

ois - the input stream through which the state can be read

indicates - if the resource is being loaded for the first time (hard load) or not (soft load)

Throws:

Exception - an error occured during resource deserialization

onStore

protected void onStore(ObjectOutputStream oos)
                throws Exception

Invoked when the state of the resource must be saved (resource serialization)

Parameters:

oos - the output stream to write the resource state to

Throws:

Exception - an error occured during resource serialization

retrieveGenericResource

public static org.gcube.common.core.informationsystem.client.XMLResult retrieveGenericResource(String id,
                                                                               org.gcube.common.core.scope.GCUBEScope scope)
                                                                                        throws Exception

Retrieves a generic resource using the IS

Parameters:

id - The id of the generic resource to retrieve

scope - The scope to use

Returns:

The generic resource expressed as an XMLResult

Throws:

Exception - In case of error

store

public void store()

Specified by:

store in interface org.globus.wsrf.PersistenceCallback

Overrides:

store in class org.gcube.common.core.state.GCUBEStatefulResource<org.gcube.common.core.state.GCUBEWSResourceKey>

getAdaptorID

public String getAdaptorID()

Getter method for the AdaptorID Resource Property

Returns:

String the requested adaptorID

setAdaptorID

public void setAdaptorID(String adaptorID)

Setter method for the AdaptorID Resource Property

Parameters:

adaptorID - String the new AdaptorID

getFields

public String[] getFields()

Getter method for the Fields list Resource Property

Returns:

String[] the requested Fields

getCollectionID

public String[] getCollectionID()

Getter method for the CollectionID list Resource Property

Returns:

String[] the requested CollectionIDs

setCollectionID

public void setCollectionID(String[] collectionIDs)
                     throws Exception

Setter method for the CollectionID list Resource Property

Parameters:

collectionIDs - String[] the new CollectionIDs

Throws:

Exception

addCollectionID

public void addCollectionID(String collectionID)

Adds a collection id to the collectionID resource property

Parameters:

collectionID - String -the ID to be added

getDescriptionDocumentURI

public String[] getDescriptionDocumentURI()

Getter method for the DescriptionDocumentURI list Resource Property

Returns:

String[] the requested DescriptionDocumentURIs

getDescriptionDocumentURI

public String getDescriptionDocumentURI(int i)

Getter method for the DescriptionDocument Resource Property

Returns:

String the requested DescriptionDocumentURI

setDescriptionDocumentURI

public void setDescriptionDocumentURI(String descriptionDocumentURI)
                               throws Exception

Setter method for the DescriptionDocument Resource Property

Parameters:

descriptionDocumentURI - String the new DescriptionDocumentURI

Throws:

Exception - In case of error

addDescriptionDocumentURI

public void addDescriptionDocumentURI(String descriptionDocumentURI)
                               throws Exception

Throws:

Exception

setDescriptionDocumentURI

public void setDescriptionDocumentURI(String[] descriptionDocumentURIs)
                               throws Exception

Setter method for the DescriptionDocumentURI list Resource Property

Parameters:

descriptionDocumentURIs - String[] the new DescriptionDocumentURIs

Throws:

Exception - In case of error

getFixedParameters

public String[] getFixedParameters()

Getter method for the FixedParameters list Resource Property

Returns:

String[] the requested FixedParameters

setFixedParameters

public void setFixedParameters(String[] fixedParameters)
                        throws Exception

Setter method for the FixedParameters list Resource Property

Parameters:

fixedParameters - String[] the new FixedParameters

Throws:

Exception - In case of error

getOpenSearchResource

public String getOpenSearchResource(int i)

Getter method for the OpenSearchResource Resource Property

Returns:

String the OpenSearchResource ID

getOpenSearchResource

public String[] getOpenSearchResource()

Getter method for the OpenSearchResource list Resource Property

Returns:

String the OpenSearchResource ID

setOpenSearchResource

public void setOpenSearchResource(String openSearchResource)

Setter method for the OpenSearchResource Resource Property

Parameters:

openSearchResource - String the new OpenSearchResource ID

setOpenSearchResource

public void setOpenSearchResource(String[] openSearchResource)

Setter method for the OpenSearchResource list Resource Property

Parameters:

openSearchResource - String the new OpenSearchResource ID

getDescriptionDocument

public Document getDescriptionDocument(int i)

Getter method for the cached Description document

Returns:

The description document

getCachedOpenSearchResource

public org.gcube.opensearch.opensearchoperator.resource.OpenSearchResource getCachedOpenSearchResource(String ddURL)

Returns the cached OpenSearch Resource of a brokered provider whose description document URL is ddURL

Parameters:

ddURL - the URL of the brokered provider's description document

Returns:

the brokered provider's cached OpenSearch Resource

getCachedOpenSearchResources

public List<org.gcube.opensearch.opensearchoperator.resource.OpenSearchResource> getCachedOpenSearchResources()

Returns all cached OpenSearch Resources of the brokered providers associated with the provider of this WS-Resource

Returns:

a list containing all OpenSearch Resources associated with this WS-Resource

addCachedOpenSearchResource

public void addCachedOpenSearchResource(String ddURL,
                               org.gcube.common.core.informationsystem.client.XMLResult resource)
                                 throws Exception

Adds an OpenSearch Resource to the brokered provider's resource cache

Parameters:

ddURL - the URL of the brokered provider's description document

resource - the OpenSearch Resource for the brokered provider

Throws:

Exception - In case of error

addCachedOpenSearchResources

public void addCachedOpenSearchResources(Map<String,org.gcube.common.core.informationsystem.client.XMLResult> resources)
                                  throws Exception

Adds the OpenSearch Resources contained in the map to the brokered provider's resource cache

Parameters:

resources - A map containing a mappings from description document URLs to OpenSearch Resources for each brokered provider

Throws:

Exception - In case of error

query

public URI query(String cqlQuery)
          throws RemoteException

Performs a query on the OpenSearch provider that is connected to this resource.

Parameters:

queryString - String - the query to be performed (using custom syntax @see )

Returns:

URI - representation of the EPR for a resultset service which holds the results of the query.

Throws:

RemoteException - In case of error

getISEnvHints

public gr.uoa.di.madgik.environment.hint.EnvHintCollection getISEnvHints()

Retrieves the InformationSystem environmental hints that this resource is using

Returns:

The environmental hints

onResourceRemoval

public void onResourceRemoval()

filterFieldInfo

protected void filterFieldInfo(List<String> presentableFields,
                   List<String> searchableFields)