Add isEmpty to qgs generic spatial index

qgis · Jan 10, 2020 · 30fbed4 · 30fbed4
1 parent 4b0747c
commit 30fbed4
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diff --git a/src/core/qgsgenericspatialindex.h b/src/core/qgsgenericspatialindex.h
@@ -130,6 +130,15 @@ class CORE_EXPORT QgsGenericSpatialIndex
       return true;
     }
 
+    /**
+     * Returns TRUE if the index contains no items.
+     */
+    bool isEmpty( ) const
+    {
+      QMutexLocker locker( &mMutex );
+      return mIdToData.isEmpty();
+    }
+
   private:
 
     std::unique_ptr< SpatialIndex::ISpatialIndex > createSpatialIndex( SpatialIndex::IStorageManager &storageManager )

diff --git a/src/providers/postgres/raster/qgspostgresrastershareddata.cpp b/src/providers/postgres/raster/qgspostgresrastershareddata.cpp
@@ -0,0 +1,21 @@
+/***************************************************************************
+  qgspostgresrastershareddata.cpp - QgsPostgresRasterSharedData
+
+ ---------------------
+ begin                : 8.1.2020
+ copyright            : (C) 2020 by Alessandro Pasotti
+ email                : elpaso at itopen dot it
+ ***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+#include "qgspostgresrastershareddata.h"
+
+QgsPostgresRasterSharedData::QgsPostgresRasterSharedData()
+{
+
+}
diff --git a/src/providers/postgres/raster/qgspostgresrastershareddata.h b/src/providers/postgres/raster/qgspostgresrastershareddata.h
@@ -0,0 +1,26 @@
+/***************************************************************************
+  qgspostgresrastershareddata.h - QgsPostgresRasterSharedData
+
+ ---------------------
+ begin                : 8.1.2020
+ copyright            : (C) 2020 by Alessandro Pasotti
+ email                : elpaso at itopen dot it
+ ***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+#ifndef QGSPOSTGRESRASTERSHAREDDATA_H
+#define QGSPOSTGRESRASTERSHAREDDATA_H
+
+
+class QgsPostgresRasterSharedData
+{
+  public:
+    QgsPostgresRasterSharedData();
+};
+
+#endif // QGSPOSTGRESRASTERSHAREDDATA_H
diff --git a/src/providers/postgres/raster/qgspostgresrasterutils.cpp b/src/providers/postgres/raster/qgspostgresrasterutils.cpp
@@ -0,0 +1,21 @@
+/***************************************************************************
+  qgspostgresrasterutils.cpp - QgsPostgresRasterUtils
+
+ ---------------------
+ begin                : 8.1.2020
+ copyright            : (C) 2020 by Alessandro Pasotti
+ email                : elpaso at itopen dot it
+ ***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+#include "qgspostgresrasterutils.h"
+
+QgsPostgresRasterUtils::QgsPostgresRasterUtils()
+{
+
+}
diff --git a/src/providers/postgres/raster/qgspostgresrasterutils.h b/src/providers/postgres/raster/qgspostgresrasterutils.h
@@ -0,0 +1,26 @@
+/***************************************************************************
+  qgspostgresrasterutils.h - QgsPostgresRasterUtils
+
+ ---------------------
+ begin                : 8.1.2020
+ copyright            : (C) 2020 by Alessandro Pasotti
+ email                : elpaso at itopen dot it
+ ***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+#ifndef QGSPOSTGRESRASTERUTILS_H
+#define QGSPOSTGRESRASTERUTILS_H
+
+
+class QgsPostgresRasterUtils
+{
+  public:
+    QgsPostgresRasterUtils();
+};
+
+#endif // QGSPOSTGRESRASTERUTILS_H