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Support for renaming of modules

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- When a module ID changes, the old ID gets put in a list against property 'module.aliases'.
 - The tool and the repo startup detect the existing installation against the alias and perform a rename.


git-svn-id: https://svn.alfresco.com/repos/alfresco-enterprise/alfresco/HEAD/root@5559 c4b6b30b-aa2e-2d43-bbcb-ca4b014f7261
This commit is contained in:
Derek Hulley
2007-04-26 08:42:19 +00:00
parent d94db4e310
commit 31efa6d4f3
10 changed files with 362 additions and 46 deletions
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72
source/java/org/alfresco/repo/module/ModuleComponentHelper.java
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@@ -66,7 +66,6 @@ public class ModuleComponentHelper
private static final String REGISTRY_PROPERTY_CURRENT_VERSION = "currentVersion";
private static final String REGISTRY_PATH_COMPONENTS = "components";
private static final String REGISTRY_PROPERTY_EXECUTION_DATE = "executionDate";
private static final String REGISTRY_PROPERTY_DUMMY = "dummy";
private static final String MSG_FOUND_MODULES = "module.msg.found_modules";
private static final String MSG_STARTING = "module.msg.starting";
@@ -248,7 +247,7 @@ public class ModuleComponentHelper
// Get the IDs of all modules from the registry
RegistryKey moduleKeyAllIds = new RegistryKey(
ModuleComponentHelper.URI_MODULES_1_0,
REGISTRY_PATH_MODULES, REGISTRY_PROPERTY_DUMMY);
REGISTRY_PATH_MODULES, null);
Collection<String> moduleIds = registryService.getChildElements(moduleKeyAllIds);
// Check that each module is present in the distribution
@@ -268,13 +267,65 @@ public class ModuleComponentHelper
RegistryKey moduleKeyCurrentVersion = new RegistryKey(
ModuleComponentHelper.URI_MODULES_1_0,
REGISTRY_PATH_MODULES, moduleId, REGISTRY_PROPERTY_CURRENT_VERSION);
VersionNumber versionCurrent = (VersionNumber) registryService.getValue(moduleKeyCurrentVersion);
VersionNumber versionCurrent = (VersionNumber) registryService.getProperty(moduleKeyCurrentVersion);
// The module is missing, so warn
loggerService.warn(I18NUtil.getMessage(MSG_MISSING, moduleId, versionCurrent));
}
}
}
/**
* Copies, where necessary, the module registry details from the alias details
* and removes the alias details.
*/
private void renameModule(ModuleDetails module)
{
String moduleId = module.getId();
List<String> moduleAliases = module.getAliases();
// Get the IDs of all modules from the registry
RegistryKey moduleKeyAllIds = new RegistryKey(
ModuleComponentHelper.URI_MODULES_1_0,
REGISTRY_PATH_MODULES, null);
Collection<String> registeredModuleIds = registryService.getChildElements(moduleKeyAllIds);
// Firstly, is the module installed?
if (registeredModuleIds.contains(moduleId))
{
// It is there, so we do nothing
return;
}
// Check if any of the registered modules are on the alias list
for (String moduleAlias : moduleAliases)
{
// Is this alias registered?
if (!registeredModuleIds.contains(moduleAlias))
{
// No alias registered
continue;
}
// We found an alias and have to rename it to the new module ID
RegistryKey moduleKeyNew = new RegistryKey(
ModuleComponentHelper.URI_MODULES_1_0,
REGISTRY_PATH_MODULES, moduleId, null);
RegistryKey moduleKeyOld = new RegistryKey(
ModuleComponentHelper.URI_MODULES_1_0,
REGISTRY_PATH_MODULES, moduleAlias, null);
// Copy it all
registryService.copy(moduleKeyOld, moduleKeyNew);
// Remove the source
registryService.delete(moduleKeyOld);
// Done
if (logger.isDebugEnabled())
{
logger.debug("Moved old module alias to new module ID: \n" +
" Alias: " + moduleAlias + "\n" +
" Module: " + moduleId);
}
break;
}
}
/**
* Does the actual work without fussing about transactions and authentication.
*/
@@ -283,7 +334,10 @@ public class ModuleComponentHelper
String moduleId = module.getId();
VersionNumber moduleVersion = module.getVersion();
// First check that the module version is fundamentall compatible with the repository
// Check if the module needs a rename first
renameModule(module);
// First check that the module version is fundamentally compatible with the repository
VersionNumber repoVersionNumber = descriptorService.getServerDescriptor().getVersionNumber();
VersionNumber minRepoVersionNumber = module.getRepoVersionMin();
VersionNumber maxRepoVersionNumber = module.getRepoVersionMax();
@@ -303,13 +357,13 @@ public class ModuleComponentHelper
RegistryKey moduleKeyCurrentVersion = new RegistryKey(
ModuleComponentHelper.URI_MODULES_1_0,
REGISTRY_PATH_MODULES, moduleId, REGISTRY_PROPERTY_CURRENT_VERSION);
VersionNumber versionCurrent = (VersionNumber) registryService.getValue(moduleKeyCurrentVersion);
VersionNumber versionCurrent = (VersionNumber) registryService.getProperty(moduleKeyCurrentVersion);
String msg = null;
if (versionCurrent == null) // There is no current version
{
msg = I18NUtil.getMessage(MSG_INSTALLING, moduleId, moduleVersion);
// Record the install version
registryService.addValue(moduleKeyInstalledVersion, moduleVersion);
registryService.addProperty(moduleKeyInstalledVersion, moduleVersion);
}
else // It is an upgrade or is the same
{
@@ -328,7 +382,7 @@ public class ModuleComponentHelper
}
loggerService.info(msg);
// Record the current version
registryService.addValue(moduleKeyCurrentVersion, moduleVersion);
registryService.addProperty(moduleKeyCurrentVersion, moduleVersion);
Map<String, ModuleComponent> componentsByName = getComponents(moduleId);
for (ModuleComponent component : componentsByName.values())
@@ -387,7 +441,7 @@ public class ModuleComponentHelper
REGISTRY_PATH_MODULES, moduleId, REGISTRY_PATH_COMPONENTS, name, REGISTRY_PROPERTY_EXECUTION_DATE);
// Check if the component has been executed
Date executionDate = (Date) registryService.getValue(executionDateKey);
Date executionDate = (Date) registryService.getProperty(executionDateKey);
if (executionDate != null && component.isExecuteOnceOnly())
{
// It has been executed and is scheduled for a single execution - leave it
@@ -410,7 +464,7 @@ public class ModuleComponentHelper
component.execute();
// Keep track of it in the registry and in this run
executedComponents.add(component);
registryService.addValue(executionDateKey, new Date());
registryService.addProperty(executionDateKey, new Date());
// Done
if (logger.isDebugEnabled())
{