6 files changed, 9 insertions, 9 deletions
diff --git a/src/core/ContainerSourceCollection.vala b/src/core/ContainerSourceCollection.vala
index cf6218a..0b231dc 100644
--- a/src/core/ContainerSourceCollection.vala
+++ b/src/core/ContainerSourceCollection.vala
@@ -35,7 +35,7 @@ public abstract class ContainerSourceCollection : DatabaseSourceCollection {
         Gee.Collection<DataSource> sources) {
     }
     
-    public ContainerSourceCollection(string backlink_name, string name,
+    protected ContainerSourceCollection(string backlink_name, string name,
         GetSourceDatabaseKey source_key_func) {
         base (name, source_key_func);
         
diff --git a/src/core/DataObject.vala b/src/core/DataObject.vala
index 3c98e9e..62241b5 100644
--- a/src/core/DataObject.vala
+++ b/src/core/DataObject.vala
@@ -35,7 +35,7 @@ public abstract class DataObject : Object {
     
     // NOTE: Supplying an object ID should *only* be used when reconstituting the object (generally
     // only done by DataSources).
-    public DataObject(int64 object_id = INVALID_OBJECT_ID) {
+    protected DataObject(int64 object_id = INVALID_OBJECT_ID) {
         this.object_id = (object_id == INVALID_OBJECT_ID) ? object_id_generator++ : object_id;
     }
     
diff --git a/src/core/DataSource.vala b/src/core/DataSource.vala
index 352ac54..3f2eb22 100644
--- a/src/core/DataSource.vala
+++ b/src/core/DataSource.vala
@@ -60,7 +60,7 @@ public abstract class DataSource : DataObject {
     public virtual signal void destroyed() {
     }
     
-    public DataSource(int64 object_id = INVALID_OBJECT_ID) {
+    protected DataSource(int64 object_id = INVALID_OBJECT_ID) {
         base (object_id);
     }
     
@@ -568,7 +568,7 @@ public abstract class SourceProxy {
     public virtual signal void broken() {
     }
     
-    public SourceProxy(DataSource source) {
+    protected SourceProxy(DataSource source) {
         object_id = source.get_object_id();
         source_string = source.to_string();
         
diff --git a/src/core/DataSourceTypes.vala b/src/core/DataSourceTypes.vala
index 6d8479e..a79264f 100644
--- a/src/core/DataSourceTypes.vala
+++ b/src/core/DataSourceTypes.vala
@@ -12,7 +12,7 @@ public abstract class ThumbnailSource : DataSource {
     public virtual signal void thumbnail_altered() {
     }
     
-    public ThumbnailSource(int64 object_id = INVALID_OBJECT_ID) {
+    protected ThumbnailSource(int64 object_id = INVALID_OBJECT_ID) {
         base (object_id);
     }
     
@@ -51,7 +51,7 @@ public abstract class ThumbnailSource : DataSource {
 }
 
 public abstract class PhotoSource : MediaSource {
-    public PhotoSource(int64 object_id = INVALID_OBJECT_ID) {
+    protected PhotoSource(int64 object_id = INVALID_OBJECT_ID) {
         base (object_id);
     }
 
@@ -68,7 +68,7 @@ public abstract class VideoSource : MediaSource {
 //
 
 public abstract class EventSource : ThumbnailSource {
-    public EventSource(int64 object_id = INVALID_OBJECT_ID) {
+    protected EventSource(int64 object_id = INVALID_OBJECT_ID) {
         base (object_id);
     }
     
diff --git a/src/core/DatabaseSourceCollection.vala b/src/core/DatabaseSourceCollection.vala
index fec6825..2808307 100644
--- a/src/core/DatabaseSourceCollection.vala
+++ b/src/core/DatabaseSourceCollection.vala
@@ -17,7 +17,7 @@ public abstract class DatabaseSourceCollection : SourceCollection {
     private Gee.HashMap<int64?, DataSource> map = new Gee.HashMap<int64?, DataSource>(int64_hash, 
         int64_equal);
         
-    public DatabaseSourceCollection(string name, GetSourceDatabaseKey source_key_func) {
+    protected DatabaseSourceCollection(string name, GetSourceDatabaseKey source_key_func) {
         base (name);
         
         this.source_key_func = source_key_func;
diff --git a/src/core/SourceCollection.vala b/src/core/SourceCollection.vala
index 066b813..6eaf86c 100644
--- a/src/core/SourceCollection.vala
+++ b/src/core/SourceCollection.vala
@@ -47,7 +47,7 @@ public abstract class SourceCollection : DataCollection {
     
     private Gee.MultiMap<SourceBacklink, DataSource>? backlinks = null;
     
-    public SourceCollection(string name) {
+    protected SourceCollection(string name) {
         base (name);
     }