REPORT-24141 内存数据库snappydata下拉展示数据列表，以及切换过滤的时候，速度很慢

designer-base/src/main/java/com/fr/design/data/DesignTableDataManager.java

@@ -83,6 +83,7 @@ public abstract class DesignTableDataManager {
     //用于记录是否要弹出参数框
     private static ThreadLocal<String> threadLocal = new ThreadLocal<String>();
 
+    private static Map<TableDataSource, Map<String, String[]>> columnCache = new HashMap<>();
 
     /**
      * 清除全局 数据集缓存.
@@ -113,11 +114,13 @@ public abstract class DesignTableDataManager {
 
     public static void closeTemplate(JTemplate<?, ?> template) {
         if (template != null) {
+            columnCache.remove(getEditingTableDataSource());
             dsListenersMap.remove(template.getPath());
         }
     }
 
     public static void envChange() {
+        columnCache.clear();
         dsListenersMap.clear();
         dsNameChangedMap.clear();
         clearGlobalDs();
@@ -197,7 +200,47 @@ public abstract class DesignTableDataManager {
         java.util.Map<String, TableDataWrapper> resMap = getAllEditingDataSet(source);
         java.util.Map<String, TableDataWrapper> dsMap = getAllDataSetIncludingProcedure(resMap);
         TableDataWrapper tabledataWrapper = dsMap.get(dsName);
-        return tabledataWrapper == null ? new String[0] : tabledataWrapper.calculateColumnNameList().toArray(new String[0]);
+        if (tabledataWrapper == null) {
+            return new String[0];
+        } else {
+            return getSelectedColumnNamesFromCache(source, dsName, tabledataWrapper);
+        }
+    }
+
+    private static String[] getSelectedColumnNamesFromCache(TableDataSource dataSource, String dsName, TableDataWrapper tableDataWrapper) {
+        Map<String, String[]> map = columnCache.get(dataSource);
+        if (map == null) {
+            map = new HashMap<>();
+            String[] columnNames = tableDataWrapper.calculateColumnNameList().toArray(new String[0]);
+            map.put(dsName, columnNames);
+            columnCache.put(dataSource, map);
+            return columnNames;
+        } else {
+            String[] columnNames = map.get(dsName);
+            if (columnNames == null) {
+                columnNames = tableDataWrapper.calculateColumnNameList().toArray(new String[0]);
+                map.put(dsName, columnNames);
+                return columnNames;
+            } else {
+                return columnNames;
+            }
+        }
+    }
+
+    public static void removeSelectedColumnNames(String dsName) {
+        columnCache.get(getEditingTableDataSource()).remove(dsName);
+    }
+
+    public static void addDsColumnNames(String dsName, String[] columnNames) {
+        TableDataSource dataSource = getEditingTableDataSource();
+        Map<String, String[]> map = columnCache.get(dataSource);
+        if (map == null) {
+            map = new HashMap<>();
+            map.put(dsName, columnNames);
+            columnCache.put(dataSource, map);
+        } else {
+            map.put(dsName, columnNames);
+        }
     }
 
     /**

designer-base/src/main/java/com/fr/design/data/datapane/TableDataTreePane.java

@@ -244,6 +244,7 @@ public class TableDataTreePane extends BasicTableDataTreePane {
             if (selectedNO == null) {
                 return;
             }
+            DesignTableDataManager.removeSelectedColumnNames(selectedNO.getName());
             dgEdit(((AbstractTableDataWrapper) selectedNO.getObject()).creatTableDataPane(), selectedNO.getName(), false);
         }
     }
@@ -275,6 +276,7 @@ public class TableDataTreePane extends BasicTableDataTreePane {
                 dataTree.setSelectionRow(dataTree.getRowCount() - 1);
                 fireDSChanged();
                 checkButtonEnabled();
+                DesignTableDataManager.removeSelectedColumnNames(selectedNO.getName());
             }
         }
     }

designer-base/src/main/java/com/fr/design/data/tabledata/wrapper/AbstractTableDataWrapper.java

@@ -65,6 +65,7 @@ public abstract class AbstractTableDataWrapper implements TableDataWrapper {
             }
 		}
 		columnNameList = DesignTableDataManager.getColumnNamesByTableData(embeddedTableData);
+        DesignTableDataManager.addDsColumnNames(name, columnNameList.toArray(new String[0]));
 		return columnNameList;
 	}
 

designer-base/src/test/java/com/fr/design/data/DesignTableDataManagerTest.java

@@ -1,11 +1,14 @@
 package com.fr.design.data;
 
 import com.fr.base.TableData;
+import com.fr.data.TableDataSource;
 import com.fr.data.impl.storeproc.StoreProcedure;
 import com.fr.design.data.tabledata.wrapper.TableDataFactory;
 import com.fr.design.data.tabledata.wrapper.TableDataWrapper;
+import com.fr.design.data.tabledata.wrapper.TemplateTableDataWrapper;
 import com.fr.file.ProcedureConfig;
 import com.fr.file.TableDataConfig;
+import com.fr.invoke.Reflect;
 import org.easymock.EasyMock;
 import org.junit.Assert;
 import org.junit.Test;
@@ -23,6 +26,7 @@ import java.util.Map;
 @SuppressStaticInitializationFor({"com.fr.design.data.tabledata.wrapper.TableDataFactory"})
 public class DesignTableDataManagerTest {
 
+
     @Test
     public void testFireDataChange() {
 
@@ -99,4 +103,47 @@ public class DesignTableDataManagerTest {
 
 
     }
+
+    @Test
+    public void testGetSelectedColumnNames() throws Exception {
+        PowerMock.mockStatic(TableDataConfig.class);
+        PowerMock.mockStatic(TemplateTableDataWrapper.class);
+        TableDataConfig config = EasyMock.mock(TableDataConfig.class);
+        TableData td1 = EasyMock.mock(TableData.class);
+        TableData td2 = EasyMock.mock(TableData.class);
+        TableDataSource dataSource = EasyMock.mock(TableDataSource.class);
+        EasyMock.expect(config.getTableData("ds1")).andReturn(td1).anyTimes();
+        EasyMock.expect(config.getTableData("ds2")).andReturn(td2).anyTimes();
+        EasyMock.expect(dataSource.getTableData("ds1")).andReturn(td1).anyTimes();
+        EasyMock.expect(dataSource.getTableData("ds2")).andReturn(td2).anyTimes();
+        EasyMock.expect(TableDataConfig.getInstance()).andReturn(config).anyTimes();
+        PowerMock.mockStatic(TableDataFactory.class);
+        EasyMock.expect(TableDataFactory.getSortOfChineseNameOfServerData(config))
+                .andReturn(new String[]{"ds1", "ds2"}).anyTimes();
+        EasyMock.expect(TableDataFactory.getSortOfChineseNameOfTemplateData(dataSource))
+                .andReturn(new String[]{"ds1", "ds2"});
+        Map<TableDataSource, Map<String, String[]>> cache = Reflect.on(DesignTableDataManager.class).field(
+                "columnCache").get();
+        Map<String, String[]> map = new HashMap<>();
+        map.put("ds1", new String[]{"a", "b", "c"});
+        cache.put(dataSource, map);
+        ProcedureConfig proConfig = EasyMock.mock(ProcedureConfig.class);
+        Map<String, StoreProcedure> procedureMap = new HashMap<>();
+        EasyMock.expect(proConfig.getProcedures()).andReturn(procedureMap).anyTimes();
+        PowerMock.mockStatic(ProcedureConfig.class);
+        EasyMock.expect(ProcedureConfig.getInstance()).andReturn(proConfig).anyTimes();
+        EasyMock.replay(config, proConfig, dataSource);
+        PowerMock.replay(TableDataFactory.class, TableDataConfig.class, ProcedureConfig.class,
+                         TemplateTableDataWrapper.class);
+        Assert.assertEquals(new String[]{"a", "b", "c"},
+                            DesignTableDataManager.getSelectedColumnNames(dataSource, "ds1"));
+    }
+
+    @Test
+    public void testAddDsColumnNames() {
+        DesignTableDataManager.addDsColumnNames("ds1", new String[]{"a", "b", "c"});
+        Map<TableDataSource, Map<String, String[]>> map = Reflect.on(DesignTableDataManager.class).field(
+                "columnCache").get();
+        Assert.assertEquals(new String[]{"a", "b", "c"}, map.get(null).get("ds1"));
+    }
 }