src/org/redkale/source/DataDefaultSource.java

@@ -5,19 +5,19 @@
  */
 package org.redkale.source;
 
-import static org.redkale.source.FilterNode.*;
 import java.io.*;
-import java.lang.reflect.*;
+import java.lang.reflect.Method;
-import java.net.*;
+import java.net.URL;
-import java.nio.channels.*;
+import java.nio.channels.CompletionHandler;
 import java.sql.*;
 import java.util.*;
-import java.util.concurrent.atomic.*;
+import java.util.concurrent.atomic.AtomicBoolean;
 import java.util.function.*;
 import java.util.logging.*;
-import javax.annotation.*;
+import javax.annotation.Resource;
-import javax.sql.*;
+import javax.sql.ConnectionPoolDataSource;
 import javax.xml.stream.*;
+import static org.redkale.source.FilterNode.formatToString;
 import org.redkale.util.*;
 
 /**
@@ -345,9 +345,9 @@ public final class DataDefaultSource implements DataSource, Function<Class, Enti
                 final boolean distributed = info.distributed;
                 Attribute<T, Serializable>[] attrs = info.insertAttributes;
                 String[] sqls = null;
-                if (distributed && !info.initedPrimaryValue && primaryType.isPrimitive()) {
+                if (distributed && !info.initedPrimaryValue && primaryType.isPrimitive()) { //由DataSource生成主键
                     synchronized (info) {
-                        if (!info.initedPrimaryValue) {
+                        if (!info.initedPrimaryValue) { //初始化最大主键值
                             Statement stmt = conn.createStatement();
                             ResultSet rs = stmt.executeQuery("SELECT MAX(" + info.getPrimarySQLColumn() + ") FROM " + info.getTable());
                             if (rs.next()) {
@@ -361,7 +361,7 @@ public final class DataDefaultSource implements DataSource, Function<Class, Enti
                             }
                             rs.close();
                             stmt.close();
-                            if (info.distributeTables != null) {
+                            if (info.distributeTables != null) {  //是否还有其他表
                                 for (final Class t : info.distributeTables) {
                                     EntityInfo<T> infox = loadEntityInfo(t);
                                     stmt = conn.createStatement();
@@ -392,7 +392,7 @@ public final class DataDefaultSource implements DataSource, Function<Class, Enti
                         }
                         prestmt.addBatch();
                     }
-                } else {
+                } else { //调用writeListener回调接口
                     char[] sqlchars = sql.toCharArray();
                     sqls = new String[values.length];
                     CharSequence[] ps = new CharSequence[attrs.length];
@@ -421,7 +421,7 @@ public final class DataDefaultSource implements DataSource, Function<Class, Enti
                 }
                 prestmt.executeBatch();
                 if (writeListener != null) writeListener.insert(sqls);
-                if (info.autoGenerated) {
+                if (info.autoGenerated) { //由数据库自动生成主键值
                     ResultSet set = prestmt.getGeneratedKeys();
                     int i = -1;
                     while (set.next()) {
@@ -437,7 +437,7 @@ public final class DataDefaultSource implements DataSource, Function<Class, Enti
                 }
                 prestmt.close();
                 //------------------------------------------------------------
-                if (debug.get()) {
+                if (debug.get()) {  //打印调试信息
                     char[] sqlchars = sql.toCharArray();
                     for (final T value : values) {
                         //-----------------------------
@@ -457,10 +457,10 @@ public final class DataDefaultSource implements DataSource, Function<Class, Enti
                         }
                         logger.finest(info.getType().getSimpleName() + " insert sql=" + sb.toString().replaceAll("(\r|\n)", "\\n"));
                     }
-                }
+                } //打印结束
             }
             final EntityCache<T> cache = info.getCache();
-            if (cache != null) {
+            if (cache != null) { //更新缓存
                 for (final T value : values) {
                     cache.insert(value);
                 }
@@ -492,7 +492,7 @@ public final class DataDefaultSource implements DataSource, Function<Class, Enti
     public <T> void delete(T... values) {
         if (values.length == 0) return;
         final EntityInfo<T> info = loadEntityInfo((Class<T>) values[0].getClass());
-        if (info.isVirtualEntity()) {
+        if (info.isVirtualEntity()) { //虚拟表只更新缓存Cache
             delete(null, info, values);
             return;
         }
@@ -524,7 +524,7 @@ public final class DataDefaultSource implements DataSource, Function<Class, Enti
     @Override
     public <T> void delete(Class<T> clazz, Serializable... ids) {
         final EntityInfo<T> info = loadEntityInfo(clazz);
-        if (info.isVirtualEntity()) {
+        if (info.isVirtualEntity()) { //虚拟表只更新缓存Cache
             delete(null, info, ids);
             return;
         }

src/org/redkale/source/DataSource.java

@@ -5,11 +5,11 @@
  */
 package org.redkale.source;
 
-import java.io.*;
+import java.io.Serializable;
-import java.nio.channels.*;
+import java.nio.channels.CompletionHandler;
-import java.sql.*;
+import java.sql.ResultSet;
 import java.util.*;
-import java.util.function.*;
+import java.util.function.Consumer;
 import org.redkale.util.*;
 
 /**
@@ -94,6 +94,9 @@ public interface DataSource {
 
     public <T> void updateColumns(final CompletionHandler<Void, T> handler, final T value, final String... columns);
 
+    
+    
+    //############################################# 查询接口 #############################################
     //-----------------------getXXXXResult-----------------------------
     public Number getNumberResult(final Class entityClass, final FilterFunc func, final String column);
 

src/org/redkale/source/FilterKey.java

@@ -29,7 +29,7 @@ public class FilterKey implements java.io.Serializable {
 
     @Override
     public String toString() {
-        return "$." + getColumn();
+        return "a." + getColumn();
     }
 
 }