api for unlink mindmaps

wise-webapp/src/main/java/com/wisemapping/dao/LabelMindmapManager.java

@@ -0,0 +1,14 @@
+package com.wisemapping.dao;
+
+import com.wisemapping.model.LabelMindmap;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+
+public interface LabelMindmapManager {
+
+    @Nullable
+    LabelMindmap getLabelMindmap(final int labelId, final int mindmapId);
+
+    void removeLabelMindmap(@NotNull LabelMindmap labelMindmap);
+
+}

wise-webapp/src/main/java/com/wisemapping/dao/LabelMindmapManagerImpl.java

@@ -0,0 +1,30 @@
+package com.wisemapping.dao;
+
+import com.wisemapping.model.LabelMindmap;
+import org.jetbrains.annotations.NotNull;
+import org.jetbrains.annotations.Nullable;
+import org.springframework.orm.hibernate3.support.HibernateDaoSupport;
+
+import java.util.List;
+
+
+public class LabelMindmapManagerImpl extends HibernateDaoSupport
+        implements LabelMindmapManager {
+
+    @Nullable
+    @Override
+    public LabelMindmap getLabelMindmap(int labelId, int mindmapId) {
+        LabelMindmap result = null;
+        List<LabelMindmap> list = getHibernateTemplate().find("from com.wisemapping.model.LabelMindmap wisemapping where mindmap_id=? and label_id=? ", new Object[]{mindmapId, labelId});
+        assert list.size() <= 1;
+        if (list != null && !list.isEmpty()) {
+            result = list.get(0);
+        }
+        return result;
+    }
+
+    @Override
+    public void removeLabelMindmap(@NotNull LabelMindmap labelMindmap) {
+        getHibernateTemplate().delete(labelMindmap);
+    }
+}