com.edorasware.cloud.core.transfer.internal

Class DefaultAppVersioningStrategy

java.lang.Object

com.edorasware.cloud.core.transfer.internal.DefaultAppVersioningStrategy

All Implemented Interfaces:

AppVersioningStrategy

public class DefaultAppVersioningStrategy
extends Object
implements AppVersioningStrategy

Provides the default strategy for managing AppModel versions.

Constructor Summary

Constructors

Constructor and Description
DefaultAppVersioningStrategy(WorkObjectService workObjectService, UserManager userManager, com.fasterxml.jackson.databind.ObjectMapper objectMapper, String hostIdentifier, int maxHistoryEntries, TimeProvider timeProvider)

Method Summary

Modifier and Type	Method and Description
com.google.common.collect.ImmutableMap<String,String>	getAppVersioningMetaData(String appModelId) Returns the metadata that should be stored as part of the export.
void	incrementVersion(String appModelId, String comment) Increments the version number for the given app.
boolean	isNewerVersion(String appModelId, Map<String,String> incomingMetaData) Checks that the incoming app is a newer version of the current app.
void	markAsModified(String appModelId) Called whenever an app has been modified (e.g. when it transitions to the 'pending' state).

Methods inherited from class java.lang.Object

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

Constructor Detail

DefaultAppVersioningStrategy

public DefaultAppVersioningStrategy(WorkObjectService workObjectService,
                                    UserManager userManager,
                                    @Qualifier(value="persistentObjectMapper")
                                    com.fasterxml.jackson.databind.ObjectMapper objectMapper,
                                    String hostIdentifier,
                                    int maxHistoryEntries,
                                    TimeProvider timeProvider)

Method Detail

incrementVersion

public void incrementVersion(String appModelId,
                             String comment)

Description copied from interface: AppVersioningStrategy

Increments the version number for the given app.

Specified by:

incrementVersion in interface AppVersioningStrategy

Parameters:

appModelId - the ID of the app model whose version is to be incremented

comment - the modification comment

getAppVersioningMetaData

public com.google.common.collect.ImmutableMap<String,String> getAppVersioningMetaData(String appModelId)
                                                                               throws AppVersioningException

Description copied from interface: AppVersioningStrategy

Returns the metadata that should be stored as part of the export.

This metadata will be needed to check whether or not a particular version should be imported.

Specified by:

getAppVersioningMetaData in interface AppVersioningStrategy

Parameters:

appModelId - the ID of the app model being exported

Returns:

the map of metadata key/value pairs

Throws:

AppVersioningException - if the app does not contain versioning information

isNewerVersion

public boolean isNewerVersion(String appModelId,
                              Map<String,String> incomingMetaData)
                       throws AppVersioningException

Description copied from interface: AppVersioningStrategy

Checks that the incoming app is a newer version of the current app.

Specified by:

isNewerVersion in interface AppVersioningStrategy

Parameters:

appModelId - the ID of the local app model to be checked

incomingMetaData - the incoming app versioning metadata

Returns:

true if the incoming app is a newer version

Throws:

AppVersioningException - if the app versioning information is incompatible

markAsModified

public void markAsModified(String appModelId)

Description copied from interface: AppVersioningStrategy

Called whenever an app has been modified (e.g. when it transitions to the 'pending' state).

Specified by:

markAsModified in interface AppVersioningStrategy

Parameters:

appModelId - the modified app model ID