#6949 DB collection enhancement (extend standard List to allow serialization)

plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/data/DBDCollection.java

@@ -20,13 +20,15 @@ package org.jkiss.dbeaver.model.data;
 import org.jkiss.code.NotNull;
 import org.jkiss.dbeaver.model.struct.DBSDataType;
 
+import java.util.List;
+
 /**
  * Collection of items.
  * Item index is zero-based.
  *
  * @author Serge Rider
  */
-public interface DBDCollection extends DBDComplexValue {
+public interface DBDCollection extends DBDComplexValue, List {
 
     @NotNull
     DBSDataType getComponentType();

plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/data/AbstractDatabaseList.java

+/*
+ * DBeaver - Universal Database Manager
+ * Copyright (C) 2010-2019 Serge Rider (serge@jkiss.org)
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.jkiss.dbeaver.model.impl.data;
+
+import org.jkiss.dbeaver.model.data.DBDCollection;
+
+import java.util.AbstractList;
+
+/**
+ * AbstractDatabaseList
+ *
+ * @author Serge Rider
+ */
+public abstract class AbstractDatabaseList extends AbstractList implements DBDCollection {
+
+    @Override
+    public Object get(int index) {
+        return getItem(index);
+    }
+
+    @Override
+    public int size() {
+        return getItemCount();
+    }
+}

plugins/org.jkiss.dbeaver.model/src/org/jkiss/dbeaver/model/impl/jdbc/data/JDBCCollection.java

@@ -27,6 +27,7 @@ import org.jkiss.dbeaver.model.DBUtils;
 import org.jkiss.dbeaver.model.data.*;
 import org.jkiss.dbeaver.model.exec.*;
 import org.jkiss.dbeaver.model.exec.jdbc.JDBCSession;
+import org.jkiss.dbeaver.model.impl.data.AbstractDatabaseList;
 import org.jkiss.dbeaver.model.impl.jdbc.JDBCArrayImpl;
 import org.jkiss.dbeaver.model.impl.jdbc.JDBCDataSource;
 import org.jkiss.dbeaver.model.impl.jdbc.exec.JDBCColumnMetaData;
@@ -48,7 +49,7 @@ import java.util.StringTokenizer;
 /**
  * Array holder
  */
-public class JDBCCollection implements DBDCollection, DBDValueCloneable {
+public class JDBCCollection extends AbstractDatabaseList implements DBDValueCloneable {
 
     private static final Log log = Log.getLog(JDBCCollection.class);
 
@@ -433,4 +434,17 @@ public class JDBCCollection implements DBDCollection, DBDValueCloneable {
         return new JDBCCollectionString(dataType, valueHandler, value);
     }
 
+    //////////////////////////////////////////
+    // List implementation
+
+    @Override
+    public int size() {
+        return getItemCount();
+    }
+
+    @Override
+    public Object get(int index) {
+        return getItem(index);
+    }
+
 }