format the code

src/connector/jdbc/src/main/java/com/taosdata/jdbc/SavedPreparedStatement.java

@@ -33,9 +33,9 @@ public class SavedPreparedStatement {
 
     /**
      * insert or import sql template pattern, the template are the following:
-     *
+     * <p>
      * insert/import into tableName [(field1, field2, ...)] [using stables tags(?, ?, ...) ] values(?, ?, ...) (?, ?, ...)
-     *
+     * <p>
      * we split it to three part:
      * 1. prefix, insert/import
      * 2. middle, tableName [(field1, field2, ...)] [using stables tags(?, ?, ...) ]
@@ -70,9 +70,9 @@ public class SavedPreparedStatement {
     /**
      * default param value
      */
-    private static final String DEFAULT_VALUE= "NULL";
+    private static final String DEFAULT_VALUE = "NULL";
 
-    private static final String PLACEHOLDER= "?";
+    private static final String PLACEHOLDER = "?";
 
     private String tableName;
 
@@ -81,7 +81,7 @@ public class SavedPreparedStatement {
      */
     private boolean isAddBatch;
 
-    public SavedPreparedStatement(String sql, TSDBPreparedStatement tsdbPreparedStatement)throws SQLException {
+    public SavedPreparedStatement(String sql, TSDBPreparedStatement tsdbPreparedStatement) throws SQLException {
         this.sql = sql;
         this.tsdbPreparedStatement = tsdbPreparedStatement;
         this.sqlParamList = new ArrayList<>();
@@ -91,17 +91,18 @@ public class SavedPreparedStatement {
 
     /**
      * parse the init param according the sql param
+     *
      * @param sql
      */
-    private void parsePreparedParam(String sql)throws SQLException{
+    private void parsePreparedParam(String sql) throws SQLException {
 
         Matcher matcher = sqlPattern.matcher(sql);
 
-        if(matcher.find()){
+        if (matcher.find()) {
 
             tableName = matcher.group("tablename");
 
-            if (tableName != null && PLACEHOLDER.equals(tableName)){
+            if (tableName != null && PLACEHOLDER.equals(tableName)) {
                 // the table name is dynamic
                 this.isTableNameDynamic = true;
             }
@@ -110,26 +111,26 @@ public class SavedPreparedStatement {
             middle = matcher.group(2);
             valueList = matcher.group("valueList");
 
-            if(middle != null && !"".equals(middle)){
+            if (middle != null && !"".equals(middle)) {
                 middleParamSize = parsePlaceholder(middle);
             }
 
-            if(valueList != null && !"".equals(valueList)){
+            if (valueList != null && !"".equals(valueList)) {
                 valueListSize = parsePlaceholder(valueList);
             }
 
             initPreparedParam = initDefaultParam(tableName, middleParamSize, valueListSize);
 
-        }else{
+        } else {
             // not match
             throw new SQLException(TSDBConstants.WrapErrMsg("the sql is not complete!"));
         }
 
     }
 
-    private TSDBPreparedParam initDefaultParam(String tableName, int middleParamSize, int valueListSize){
+    private TSDBPreparedParam initDefaultParam(String tableName, int middleParamSize, int valueListSize) {
 
-        TSDBPreparedParam tsdbPreparedParam  = new TSDBPreparedParam(tableName);
+        TSDBPreparedParam tsdbPreparedParam = new TSDBPreparedParam(tableName);
 
         tsdbPreparedParam.setMiddleParamList(getDefaultParamList(middleParamSize));
 
@@ -140,14 +141,15 @@ public class SavedPreparedStatement {
 
     /**
      * generate the default param value list
+     *
      * @param paramSize
      * @return
      */
-    private List<Object> getDefaultParamList(int paramSize){
+    private List<Object> getDefaultParamList(int paramSize) {
 
         List<Object> paramList = new ArrayList<>(paramSize);
-        if (paramSize > 0){
-            for (int i = 0; i < paramSize; i++){
+        if (paramSize > 0) {
+            for (int i = 0; i < paramSize; i++) {
                 paramList.add(i, DEFAULT_VALUE);
             }
         }
@@ -157,17 +159,18 @@ public class SavedPreparedStatement {
 
     /**
      * calculate the placeholder num
+     *
      * @param value
      * @return
      */
-    private int parsePlaceholder(String value){
+    private int parsePlaceholder(String value) {
 
         Pattern pattern = Pattern.compile("[?]");
 
         Matcher matcher = pattern.matcher(value);
 
         int result = 0;
-        while (matcher.find()){
+        while (matcher.find()) {
             result++;
         }
         return result;
@@ -175,34 +178,35 @@ public class SavedPreparedStatement {
 
     /**
      * set current row params
-     * @param parameterIndex  the first parameter is 1, the second is 2, ...
-     * @param x               the parameter value
+     *
+     * @param parameterIndex the first parameter is 1, the second is 2, ...
+     * @param x              the parameter value
      */
-    public void setParam(int parameterIndex, Object x) throws SQLException{
+    public void setParam(int parameterIndex, Object x) throws SQLException {
 
         int paramSize = this.middleParamSize + this.valueListSize;
 
         String errorMsg = String.format("the parameterIndex %s out of the range [1, %s]", parameterIndex, this.middleParamSize + this.valueListSize);
 
-        if (parameterIndex < 1 || parameterIndex > paramSize){
+        if (parameterIndex < 1 || parameterIndex > paramSize) {
             throw new SQLException(TSDBConstants.WrapErrMsg(errorMsg));
         }
 
         this.isAddBatch = false; //set isAddBatch to false
 
-        if (x == null){
+        if (x == null) {
             x = DEFAULT_VALUE; // set default null string
         }
 
-        parameterIndex = parameterIndex -1; // start from 0 in param list
+        parameterIndex = parameterIndex - 1; // start from 0 in param list
 
-        if (this.middleParamSize != 0 && parameterIndex >= 0 && parameterIndex < this.middleParamSize){
+        if (this.middleParamSize != 0 && parameterIndex >= 0 && parameterIndex < this.middleParamSize) {
 
             this.initPreparedParam.setMiddleParam(parameterIndex, x);
             return;
         }
 
-        if (this.valueListSize != 0 && parameterIndex >= this.middleParamSize && parameterIndex < (this.middleParamSize + this.valueListSize)){
+        if (this.valueListSize != 0 && parameterIndex >= this.middleParamSize && parameterIndex < paramSize) {
 
             this.initPreparedParam.setValueParam(parameterIndex - this.middleParamSize, x);
             return;
@@ -220,9 +224,9 @@ public class SavedPreparedStatement {
     /**
      * add current param to batch list
      */
-    private void addCurrentRowParamToList(){
+    private void addCurrentRowParamToList() {
 
-        if (initPreparedParam != null && (this.middleParamSize > 0  || this.valueListSize > 0)){
+        if (initPreparedParam != null && (this.middleParamSize > 0 || this.valueListSize > 0)) {
             this.sqlParamList.add(initPreparedParam); // add current param to batch list
         }
         this.isAddBatch = true;
@@ -231,6 +235,7 @@ public class SavedPreparedStatement {
 
     /**
      * execute the sql with batch sql
+     *
      * @return
      * @throws SQLException
      */
@@ -238,13 +243,13 @@ public class SavedPreparedStatement {
 
         int result = executeBatchInternal();
 
-        return  new int[]{result};
+        return new int[]{result};
     }
 
 
-    public int executeBatchInternal() throws SQLException{
+    public int executeBatchInternal() throws SQLException {
 
-        if (!isAddBatch){
+        if (!isAddBatch) {
             addCurrentRowParamToList(); // add current param to batch list
         }
 
@@ -262,26 +267,27 @@ public class SavedPreparedStatement {
 
     /**
      * generate the batch sql
+     *
      * @return
      */
-    private String generateExecuteSql(){
+    private String generateExecuteSql() {
 
         StringBuilder stringBuilder = new StringBuilder();
 
         stringBuilder.append(prefix);
         stringBuilder.append(" into ");
 
-        if (!isTableNameDynamic){
+        if (!isTableNameDynamic) {
             // tablename will not need to be replaced
             stringBuilder.append(middle);
             stringBuilder.append(" values");
 
             stringBuilder.append(replaceValueListParam(valueList, sqlParamList));
 
-        } else{
+        } else {
             // need to replace tablename
 
-            if (sqlParamList.size() > 0 ){
+            if (sqlParamList.size() > 0) {
 
                 TSDBPreparedParam firstPreparedParam = sqlParamList.get(0);
 
@@ -292,12 +298,12 @@ public class SavedPreparedStatement {
                 //the first param in the middleParamList is the tableName
                 String lastTableName = firstPreparedParam.getMiddleParamList().get(0).toString();
 
-                if (sqlParamList.size() > 1){
+                if (sqlParamList.size() > 1) {
 
-                    for (int i = 1; i < sqlParamList.size(); i++){
+                    for (int i = 1; i < sqlParamList.size(); i++) {
                         TSDBPreparedParam currentParam = sqlParamList.get(i);
                         String currentTableName = currentParam.getMiddleParamList().get(0).toString();
-                        if (lastTableName.equalsIgnoreCase(currentTableName)){
+                        if (lastTableName.equalsIgnoreCase(currentTableName)) {
                             // tablename is same with the last row ,so only need to append the part of value
 
                             String values = replaceTemplateParam(valueList, currentParam.getValueList());
@@ -313,7 +319,7 @@ public class SavedPreparedStatement {
                     }
                 }
 
-            }else{
+            } else {
 
                 stringBuilder.append(middle);
                 stringBuilder.append(" values");
@@ -327,10 +333,11 @@ public class SavedPreparedStatement {
 
     /**
      * replace the middle and value part
+     *
      * @param tsdbPreparedParam
      * @return
      */
-    private String replaceMiddleAndValuePart(TSDBPreparedParam tsdbPreparedParam){
+    private String replaceMiddleAndValuePart(TSDBPreparedParam tsdbPreparedParam) {
 
         StringBuilder stringBuilder = new StringBuilder(" ");
 
@@ -348,17 +355,18 @@ public class SavedPreparedStatement {
 
     /**
      * replace the placeholder of the template with TSDBPreparedParam list
+     *
      * @param template
      * @param sqlParamList
      * @return
      */
-    private String replaceValueListParam(String template, List<TSDBPreparedParam> sqlParamList){
+    private String replaceValueListParam(String template, List<TSDBPreparedParam> sqlParamList) {
 
         StringBuilder stringBuilder = new StringBuilder();
 
-        if (sqlParamList.size() > 0 ){
+        if (sqlParamList.size() > 0) {
 
-            for (TSDBPreparedParam tsdbPreparedParam : sqlParamList){
+            for (TSDBPreparedParam tsdbPreparedParam : sqlParamList) {
 
                 String tmp = replaceTemplateParam(template, tsdbPreparedParam.getValueList());
 
@@ -374,13 +382,14 @@ public class SavedPreparedStatement {
 
     /**
      * replace the placeholder of the template with paramList
+     *
      * @param template
      * @param paramList
      * @return
      */
-    private String replaceTemplateParam(String template, List<Object> paramList){
+    private String replaceTemplateParam(String template, List<Object> paramList) {
 
-        if (paramList.size() > 0){
+        if (paramList.size() > 0) {
 
             String tmp = template;
 
@@ -402,20 +411,21 @@ public class SavedPreparedStatement {
 
     /**
      * get the string of param object
+     *
      * @param paramObj
      * @return
      */
-    private String getParamString(Object paramObj){
+    private String getParamString(Object paramObj) {
 
         String paraStr = paramObj.toString();
         if (paramObj instanceof Timestamp || (paramObj instanceof String && !DEFAULT_VALUE.equalsIgnoreCase(paraStr))) {
             paraStr = "'" + paraStr + "'";
         }
-        return  paraStr;
+        return paraStr;
     }
 
 
-    private int executeSql(String sql)throws SQLException{
+    private int executeSql(String sql) throws SQLException {
 
         return tsdbPreparedStatement.executeUpdate(sql);
     }

src/connector/jdbc/src/main/java/com/taosdata/jdbc/bean/TSDBPreparedParam.java

@@ -42,7 +42,7 @@ public class TSDBPreparedParam {
         this.middleParamList = middleParamList;
     }
 
-    public void setMiddleParam(int parameterIndex, Object x){
+    public void setMiddleParam(int parameterIndex, Object x) {
         this.middleParamList.set(parameterIndex, x);
     }
 
@@ -55,7 +55,7 @@ public class TSDBPreparedParam {
     }
 
 
-    public void setValueParam(int parameterIndex, Object x){
+    public void setValueParam(int parameterIndex, Object x) {
         this.valueList.set(parameterIndex, x);
     }