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[177332][api][breaking] added autostart attribute to persistence providers & minor changes to IRSEPersistenceManager API

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This commit is contained in:
David Dykstal 2007-05-11 18:56:35 +00:00
parent 891420a8af
commit 7ef8f1b99f
4 changed files with 64 additions and 22 deletions
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2
rse/plugins/org.eclipse.rse.core/plugin.xml
View file

@ -19,10 +19,12 @@
<extension
point="org.eclipse.rse.core.persistenceProviders">
<persistenceProvider
autostart="false"
class="org.eclipse.rse.internal.persistence.SerializingProvider"
id="org.eclipse.rse.persistence.SerializingProvider"
name="Serializing Persistence Provider"/>
<persistenceProvider
autostart="true"
class="org.eclipse.rse.internal.persistence.PropertyFileProvider"
id="org.eclipse.rse.persistence.PropertyFileProvider"
name="Property File Persistence Provider"/>

13
rse/plugins/org.eclipse.rse.core/schema/persistenceProviders.exsd
View file

@ -65,6 +65,13 @@
</appInfo>
</annotation>
</attribute>
<attribute name="autostart" type="boolean" use="default" value="false">
<annotation>
<documentation>
The autostart attribute determines if the persistence provider will be loaded and asked to restore the profiles known to it at the time RSE starts.
</documentation>
</annotation>
</attribute>
</complexType>
</element>
@ -81,7 +88,8 @@
&lt;persistenceProvider
id=&quot;org.eclipse.rse.persistence.DefaultRSEpersistenceProvider&quot;
name=&quot;Default persistence Provider&quot;
class=&quot;org.eclipse.rse.persistence.DefaultRSEpersistenceProvider&quot;&gt;
class=&quot;org.eclipse.rse.persistence.DefaultRSEpersistenceProvider&quot;
autostart=&quot;true&quot;&gt;
&lt;/persistenceProvider&gt;
&lt;/extension&gt;
&lt;/pre&gt;
@ -112,13 +120,14 @@
<meta.section type="copyright"/>
</appInfo>
<documentation>
Copyright (c) 2006 IBM Corporation. All Rights Reserved.
Copyright (c) 2006, 2007 IBM Corporation. All Rights Reserved.
This program and the accompanying materials are made available under the terms
of the Eclipse Public License v1.0 which accompanies this distribution, and is
available at http://www.eclipse.org/legal/epl-v10.html
Contributors:
IBM Corporation - initial API and implementation
David Dykstal (IBM) - added autostart attribute
</documentation>
</annotation>

58
rse/plugins/org.eclipse.rse.core/src/org/eclipse/rse/internal/persistence/RSEPersistenceManager.java
View file

@ -21,6 +21,7 @@ package org.eclipse.rse.internal.persistence;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.Set;
@ -62,12 +63,17 @@ public class RSEPersistenceManager implements IRSEPersistenceManager {
private IConfigurationElement configurationElement = null;
private IRSEPersistenceProvider provider = null;
private boolean restored = false;
synchronized boolean getRestored() {
synchronized boolean isRestored() {
return restored;
}
synchronized void setRestored(boolean restored) {
this.restored = restored;
}
boolean isAutostart() {
boolean isAutostart = (configurationElement != null && ("true".equals(configurationElement.getAttribute("autostart")))); //$NON-NLS-1$ //$NON-NLS-2$
boolean isDefault = (providerId.equals(getDefaultPersistenceProviderId()));
return isAutostart || isDefault;
}
}
private Map knownProviders = new HashMap(10);
@ -198,16 +204,25 @@ public class RSEPersistenceManager implements IRSEPersistenceManager {
* @see org.eclipse.rse.persistence.IRSEPersistenceManager#restoreProfiles()
*/
public ISystemProfile[] restoreProfiles(long timeout) {
List profiles = new ArrayList(10);
String[] ids = getPersistenceProviderIds();
List selectedRecords = new ArrayList(10);
for (int i = 0; i < ids.length; i++) {
String id = ids[i];
IRSEPersistenceProvider provider = getPersistenceProvider(id);
if (provider != null) {
ISystemProfile[] providerProfiles = restoreProfiles(provider, timeout);
profiles.addAll(Arrays.asList(providerProfiles));
ProviderRecord pr = getProviderRecord(id);
if (pr.isAutostart()) {
IRSEPersistenceProvider provider = getPersistenceProvider(id);
if (provider != null) {
pr.setRestored(false);
selectedRecords.add(pr);
}
}
}
List profiles = new ArrayList(10);
for (Iterator z = selectedRecords.iterator(); z.hasNext();) {
ProviderRecord pr = (ProviderRecord) z.next();
ISystemProfile[] providerProfiles = restoreProfiles(pr.provider, timeout);
profiles.addAll(Arrays.asList(providerProfiles));
}
ISystemProfile[] result = new ISystemProfile[profiles.size()];
profiles.toArray(result);
return result;
@ -218,7 +233,7 @@ public class RSEPersistenceManager implements IRSEPersistenceManager {
*/
public ISystemProfile[] restoreProfiles(IRSEPersistenceProvider provider, long timeout) {
ProviderRecord pr = getProviderRecord(provider);
pr.setRestored(false);
pr.setRestored(false); // may already be false or true
List profiles = loadProfiles(provider, timeout);
pr.setRestored(true);
ISystemProfile[] result = new ISystemProfile[profiles.size()];
@ -229,10 +244,15 @@ public class RSEPersistenceManager implements IRSEPersistenceManager {
/* (non-Javadoc)
* @see org.eclipse.rse.persistence.IRSEPersistenceManager#isRestoreComplete(java.lang.String)
*/
public boolean isRestoreComplete(String providerId) {
ProviderRecord providerRecord = getProviderRecord(providerId);
boolean result = providerRecord.getRestored();
return result;
public boolean isRestoreComplete() {
boolean isComplete = true;
String[] ids = getPersistenceProviderIds();
for (int i = 0; i < ids.length && isComplete; i++) {
String id = ids[i];
ProviderRecord pr = getProviderRecord(id);
isComplete = pr.isAutostart() && pr.isRestored();
}
return isComplete;
}
private ProviderRecord getProviderRecord(String providerId) {
@ -277,6 +297,7 @@ public class RSEPersistenceManager implements IRSEPersistenceManager {
if (candidateId != null) {
ProviderRecord pr = getProviderRecord(candidateId);
pr.configurationElement = configurationElement;
pr.providerId = candidateId;
} else {
logger.logError("Missing id attribute in persistenceProvider element", null); //$NON-NLS-1$
}
@ -296,11 +317,22 @@ public class RSEPersistenceManager implements IRSEPersistenceManager {
* @return the default IRSEPersistenceProvider for this installation.
*/
private IRSEPersistenceProvider getDefaultPersistenceProvider() {
Preferences preferences = RSECorePlugin.getDefault().getPluginPreferences();
String providerId = preferences.getString(IRSEPreferenceNames.DEFAULT_PERSISTENCE_PROVIDER);
String providerId = getDefaultPersistenceProviderId();
IRSEPersistenceProvider provider = getPersistenceProvider(providerId);
return provider;
}
/**
* Retrieves the default persistence provider id from the preferences.
* This persistence provider identifier is specified in the org.eclipse.rse.core/DEFAULT_PERSISTENCE_PROVIDER
* preference and can be specified a product's plugin_customization.ini file.
* @return
*/
private String getDefaultPersistenceProviderId() {
Preferences preferences = RSECorePlugin.getDefault().getPluginPreferences();
String providerId = preferences.getString(IRSEPreferenceNames.DEFAULT_PERSISTENCE_PROVIDER);
return providerId;
}
/**
* Loads the profiles for a given persistence provider.

13
rse/plugins/org.eclipse.rse.core/src/org/eclipse/rse/persistence/IRSEPersistenceManager.java
View file

@ -43,7 +43,7 @@ public interface IRSEPersistenceManager {
public ISystemProfile[] commitProfiles(long timeout);
/**
* Restore all profiles.
* Restore all profiles known to autostart persistence providers.
* @param timeout the maximum number of milliseconds to wait for the manager to become idle for each profile.
* @return an array of restored profiles.
*/
@ -106,14 +106,13 @@ public interface IRSEPersistenceManager {
public boolean isBusy();
/**
* Indicate if all profiles for a particular persistence provider have been restored.
* Profiles are typically restored when RSE is activated and when profiles
* are reloaded by the user. This will not load the persistence provider. If the persistence
* provider has not yet been loaded it will return false. This can be used from a different thread
* Indicate if all profiles for all autostart persistence provider have been restored.
* These profiles are restored when RSE is activated and when profiles
* are reloaded by the user.
* This can be used from a different thread
* than the one that requested the restore.
* @param providerId the persistence providerId
* @return true if the profiles have been fully restored
*/
public boolean isRestoreComplete(String providerId);
public boolean isRestoreComplete();
}