From a6ee64254c32cf11baaa2ac486067cece3b52fea Mon Sep 17 00:00:00 2001
From: Serge Rider <serge@jkiss.org>
Date: Mon, 15 Jul 2019 09:56:43 +0200
Subject: [PATCH] Update resoure cache in project metadata

Former-commit-id: 000402cfbf00ebe7dd01846c45981c316f25bbb5
---
 .../dbeaver/model/navigator/DBNResource.java  |  6 ++++-
 .../dbeaver/registry/BaseWorkspaceImpl.java   | 24 ++++++++++++++++---
 .../dbeaver/registry/ProjectMetadata.java     | 15 ++++++++++++
 3 files changed, 41 insertions(+), 4 deletions(-)

diff --git a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/navigator/DBNResource.java b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/navigator/DBNResource.java
index 75d884a21b..41c77d1eae 100644
--- a/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/navigator/DBNResource.java
+++ b/plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/navigator/DBNResource.java
@@ -390,7 +390,11 @@ public class DBNResource extends DBNNode// implements IContributorResourceAdapte
         if (newHandler != handler) {
             handler = newHandler;
         }
-        handler.updateNavigatorNode(this, resource);
+        if (handler != null) {
+            handler.updateNavigatorNode(this, resource);
+        } else {
+            log.error("Can't find handler for resource " + resource.getFullPath());
+        }
         getModel().fireNodeEvent(new DBNEvent(source, DBNEvent.Action.UPDATE, this));
     }
 
diff --git a/plugins/org.jkiss.dbeaver.registry/src/org/jkiss/dbeaver/registry/BaseWorkspaceImpl.java b/plugins/org.jkiss.dbeaver.registry/src/org/jkiss/dbeaver/registry/BaseWorkspaceImpl.java
index b6d5910237..060ea46175 100644
--- a/plugins/org.jkiss.dbeaver.registry/src/org/jkiss/dbeaver/registry/BaseWorkspaceImpl.java
+++ b/plugins/org.jkiss.dbeaver.registry/src/org/jkiss/dbeaver/registry/BaseWorkspaceImpl.java
@@ -544,15 +544,33 @@ public abstract class BaseWorkspaceImpl implements DBPWorkspace, DBPExternalFile
                                     activeProject = null;
                                     fireActiveProjectChange(projectMetadata, null);
                                 }
+                            } else {
+                                // Some changes within project - reflect them in metadata cache
+                                ProjectMetadata projectMetadata = projects.get(project);
+                                if (projectMetadata != null) {
+                                    handleResourceChange(projectMetadata, childDelta);
+                                }
                             }
                         }
-                    } else {
-                        // Some resource has been changed.
-                        // Update project metadata
                     }
                 }
             }
         }
     }
 
+    private void handleResourceChange(ProjectMetadata projectMetadata, IResourceDelta delta)
+    {
+        if (delta.getKind() == IResourceDelta.REMOVED) {
+            projectMetadata.removeResourceFromCache(delta.getProjectRelativePath());
+        } else if (delta.getKind() == IResourceDelta.MOVED_TO) {
+            IPath oldPath = delta.getMovedFromPath().makeRelativeTo(projectMetadata.getEclipseProject().getFullPath());
+            IPath newPath = delta.getMovedFromPath().makeRelativeTo(projectMetadata.getEclipseProject().getFullPath());
+            projectMetadata.updateResourceCache(oldPath, newPath);
+        } else {
+            for (IResourceDelta childDelta : delta.getAffectedChildren(IResourceDelta.ALL_WITH_PHANTOMS, IContainer.INCLUDE_HIDDEN)) {
+                handleResourceChange(projectMetadata, childDelta);
+            }
+        }
+    }
+
 }
diff --git a/plugins/org.jkiss.dbeaver.registry/src/org/jkiss/dbeaver/registry/ProjectMetadata.java b/plugins/org.jkiss.dbeaver.registry/src/org/jkiss/dbeaver/registry/ProjectMetadata.java
index 50a38e48d7..8c2e25eac5 100644
--- a/plugins/org.jkiss.dbeaver.registry/src/org/jkiss/dbeaver/registry/ProjectMetadata.java
+++ b/plugins/org.jkiss.dbeaver.registry/src/org/jkiss/dbeaver/registry/ProjectMetadata.java
@@ -391,6 +391,21 @@ public class ProjectMetadata implements DBPProject {
         }
     }
 
+    void removeResourceFromCache(IPath path) {
+        synchronized (metadataSync) {
+            resourceProperties.remove(path.toString());
+        }
+    }
+
+    void updateResourceCache(IPath oldPath, IPath newPath) {
+        synchronized (metadataSync) {
+            Map<String, Object> props = resourceProperties.remove(oldPath.toString());
+            if (props != null) {
+                resourceProperties.put(newPath.toString(), props);
+            }
+        }
+    }
+
     @Override
     public String toString() {
         return getName();
-- 
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