add stat service

src/main/java/com/alibaba/druid/stat/service/DruidStatService.java

@@ -54,18 +54,31 @@ public class DruidStatService {
             dataSourceStat.setUrl(dataSource.getUrl());
             dataSourceStat.setDbType(dataSource.getDbType());
 
-            dataSourceStatList.add(dataSourceStat);
-            
             Collection<JdbcSqlStat> sqlStats = dataSource.getDataSourceStat().getSqlStatMap().values();
             
             List<SqlInfo> sqlStatInfoList = new ArrayList<SqlInfo>(sqlStats.size());
             for (JdbcSqlStat sqlStat : dataSource.getDataSourceStat().getSqlStatMap().values()) {
                 SqlInfo sqlStatInfo = new SqlInfo();
                 
+                if (sqlStat.getExecuteCount() == 0 && sqlStat.getRunningCount() == 0) {
+                    continue;
+                }
+                
                 sqlStatInfo.setSql(sqlStat.getSql());
+                sqlStatInfo.setExecuteCount((int) sqlStat.getExecuteCount());
+                sqlStatInfo.setRunningCount((int) sqlStat.getRunningCount());
+                sqlStatInfo.setConcurrentMax((int) sqlStat.getConcurrentMax());
+                sqlStatInfo.setErrorCount((int) sqlStat.getErrorCount());
+                sqlStatInfo.setInTransactionCount((int) sqlStat.getInTransactionCount());
+                sqlStatInfo.setFetchRowCount(sqlStat.getFetchRowCount());
+                sqlStatInfo.setUpdateCount(sqlStat.getUpdateCount());
                 
                 sqlStatInfoList.add(sqlStatInfo);
             }
+            
+            dataSourceStat.setSqlList(sqlStatInfoList);
+            
+            dataSourceStatList.add(dataSourceStat);
         }
 
         store.saveDataSource(timeMillis, dataSourceStatList);

src/main/java/com/alibaba/druid/stat/service/DruidStatStore.java

@@ -3,11 +3,8 @@ package com.alibaba.druid.stat.service;
 import java.util.List;
 
 import com.alibaba.druid.stat.service.dto.DataSourceInfo;
-import com.alibaba.druid.stat.service.dto.SqlInfo;
 
 public interface DruidStatStore {
 
-    void saveSql(long timeMillis, List<SqlInfo> sqlList);
-
     void saveDataSource(long timeMillis, List<DataSourceInfo> dataSourceList);
 }

src/main/java/com/alibaba/druid/stat/service/dto/SqlInfo.java

@@ -6,7 +6,7 @@ public class SqlInfo {
     private int    executeCount;
     private int    runningCount;
     private int    concurrentMax;
-    private int    executeErrorCount;
+    private int    errorCount;
     private int    inTransactionCount;
 
     private long   fetchRowCount;
@@ -48,12 +48,12 @@ public class SqlInfo {
         this.concurrentMax = concurrentMax;
     }
 
-    public int getExecuteErrorCount() {
-        return executeErrorCount;
+    public int getErrorCount() {
+        return errorCount;
     }
 
-    public void setExecuteErrorCount(int executeErrorCount) {
-        this.executeErrorCount = executeErrorCount;
+    public void setErrorCount(int errorCount) {
+        this.errorCount = errorCount;
     }
 
     public int getInTransactionCount() {

src/main/java/com/alibaba/druid/stat/service/impl/DruidStatMemoryStore.java

@@ -4,16 +4,10 @@ import java.util.List;
 
 import com.alibaba.druid.stat.service.DruidStatStore;
 import com.alibaba.druid.stat.service.dto.DataSourceInfo;
-import com.alibaba.druid.stat.service.dto.SqlInfo;
 
 
 public class DruidStatMemoryStore implements DruidStatStore {
 
-    @Override
-    public void saveSql(long timeMillis, List<SqlInfo> sqlList) {
-        
-    }
-
     @Override
     public void saveDataSource(long timeMillis, List<DataSourceInfo> dataSourceList) {