Package org.gcube.informationsystem.resourceregistry.persistence.orientdb.system

Class SystemDumpManagement

java.lang.Object

org.gcube.informationsystem.resourceregistry.persistence.orientdb.system.SystemDumpManagement

public class SystemDumpManagement
extends Object

OrientDB-specific System Dump reads: unrestricted traversal of every Context, QueryTemplate, Resource, and IsRelatedTo relation, serialized with the complete state required for backup purposes.

Facet entities and ConsistsOf relations are intentionally not walked separately: they are already embedded within their owning Resource's own representation.

Author:

Luca Frosini (ISTI - CNR)

Constructor Summary

Constructors

Constructor	Description
SystemDumpManagement()

Method Summary

Modifier and Type	Method	Description
String	dumpContexts()	Returns every Context visible to the database administrator, including live and cemetery records.
String	dumpQueryTemplates()	Returns every Query Template through the administrative reader and fails on any invalid row.
String	dumpRelations()	Returns every IsRelatedTo relation instance (full metadata, embedded Context membership) as a JSON array string.
String	dumpResources()	Returns every Resource instance (with embedded ConsistsOf/Facets, full metadata, and embedded Context membership) as a JSON array string.

Methods inherited from class java.lang.Object

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

Constructor Details

SystemDumpManagement

public SystemDumpManagement()

Method Details

dumpContexts

public String dumpContexts()
                    throws org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException

Returns every Context visible to the database administrator, including live and cemetery records.

Returns:

JSON array of every Context

Throws:

org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException - if the traversal or serialization fails

dumpQueryTemplates

public String dumpQueryTemplates()
                          throws org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException

Returns every Query Template through the administrative reader and fails on any invalid row.

Returns:

JSON array of every Query Template

Throws:

org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException - if the traversal or serialization fails

dumpResources

public String dumpResources()
                     throws org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException

Returns every Resource instance (with embedded ConsistsOf/Facets, full metadata, and embedded Context membership) as a JSON array string.

Returns:

JSON array of every Resource

Throws:

org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException - if the traversal or serialization fails

dumpRelations

public String dumpRelations()
                     throws org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException

Returns every IsRelatedTo relation instance (full metadata, embedded Context membership) as a JSON array string.

Returns:

JSON array of every IsRelatedTo relation

Throws:

org.gcube.informationsystem.resourceregistry.api.exceptions.ResourceRegistryException - if the traversal or serialization fails