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·927 lines (758 loc) · 27.8 KB
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/*Copyright (C) 2020 THL A29 Limited, a Tencent company. All rights reserved.
This source code is licensed under the Apache License Version 2.0.*/
package apijson.orm;
import static apijson.JSONObject.KEY_COMBINE;
import static apijson.JSONObject.KEY_DROP;
import static apijson.JSONObject.KEY_TRY;
import static apijson.RequestMethod.POST;
import static apijson.RequestMethod.PUT;
import static apijson.orm.SQLConfig.TYPE_ITEM;
import java.rmi.ServerException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.LinkedHashMap;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;
import javax.activation.UnsupportedDataTypeException;
import com.alibaba.fastjson.JSON;
import com.alibaba.fastjson.JSONArray;
import com.alibaba.fastjson.JSONObject;
import apijson.JSONResponse;
import apijson.Log;
import apijson.NotNull;
import apijson.RequestMethod;
import apijson.StringUtil;
import apijson.orm.AbstractFunctionParser.FunctionBean;
import apijson.orm.exception.ConflictException;
import apijson.orm.exception.NotExistException;
/**简化Parser，getObject和getArray(getArrayConfig)都能用
* @author Lemon
*/
public abstract class AbstractObjectParser implements ObjectParser {
private static final String TAG = "AbstractObjectParser";
@NotNull
protected AbstractParser<?> parser;
public AbstractObjectParser setParser(AbstractParser<?> parser) {
this.parser = parser;
return this;
}
protected JSONObject request;//不用final是为了recycle
protected String parentPath;//不用final是为了recycle
protected SQLConfig arrayConfig;//不用final是为了recycle
protected boolean isSubquery;
protected final int type;
protected final List<Join> joinList;
protected final boolean isTable;
protected final String path;
protected final String name;
protected final String table;
protected final String alias;
protected final boolean tri;
/**
* TODO Parser内要不因为 非 TYPE_ITEM_CHILD_0 的Table 为空导致后续中断。
*/
protected final boolean drop;
/**for single object
* @param parentPath
* @param request
* @param name
* @throws Exception
*/
public AbstractObjectParser(@NotNull JSONObject request, String parentPath, String name, SQLConfig arrayConfig, boolean isSubquery) throws Exception {
if (request == null) {
throw new IllegalArgumentException(TAG + ".ObjectParser request == null!!!");
}
this.request = request;
this.parentPath = parentPath;
this.arrayConfig = arrayConfig;
this.isSubquery = isSubquery;
this.type = arrayConfig == null ? 0 : arrayConfig.getType();
this.joinList = arrayConfig == null ? null : arrayConfig.getJoinList();
this.name = name;
this.path = AbstractParser.getAbsPath(parentPath, name);
apijson.orm.Entry<String, String> entry = Pair.parseEntry(name, true);
this.table = entry.getKey();
this.alias = entry.getValue();
this.isTable = apijson.JSONObject.isTableKey(table);
this.objectCount = 0;
this.arrayCount = 0;
boolean isEmpty = request.isEmpty();//empty有效 User:{}
if (isEmpty) {
this.tri = false;
this.drop = false;
}
else {
this.tri = request.getBooleanValue(KEY_TRY);
this.drop = request.getBooleanValue(KEY_DROP);
request.remove(KEY_TRY);
request.remove(KEY_DROP);
}
Log.d(TAG, "AbstractObjectParser table = " + table + "; isTable = " + isTable);
Log.d(TAG, "AbstractObjectParser isEmpty = " + isEmpty + "; tri = " + tri + "; drop = " + drop);
}
private boolean invalidate = false;
public void invalidate() {
invalidate = true;
}
public boolean isInvalidate() {
return invalidate;
}
private boolean breakParse = false;
public void breakParse() {
breakParse = true;
}
public boolean isBreakParse() {
return breakParse || isInvalidate();
}
protected JSONObject response;
protected JSONObject sqlRequest;
protected JSONObject sqlReponse;
/**
* 自定义关键词
*/
protected Map<String, Object> customMap;
/**
* 远程函数
* {"-":{ "key-()":value }, "0":{ "key()":value }, "+":{ "key+()":value } }
* - : 在executeSQL前解析
* 0 : 在executeSQL后、onChildParse前解析
* + : 在onChildParse后解析
*/
protected Map<String, Map<String, String>> functionMap;
/**
* 子对象
*/
protected Map<String, JSONObject> childMap;
private int objectCount;
private int arrayCount;
/**解析成员
* response重新赋值
* @return null or this
* @throws Exception
*/
@Override
public AbstractObjectParser parse() throws Exception {
if (isInvalidate() == false) {
breakParse = false;
response = new JSONObject(true);//must init
sqlRequest = new JSONObject(true);//must init
sqlReponse = null;//must init
customMap = null;//must init
functionMap = null;//must init
childMap = null;//must init
Set<Entry<String, Object>> set = new LinkedHashSet<Entry<String, Object>>(request.entrySet());
if (set != null && set.isEmpty() == false) {//判断换取少几个变量的初始化是否值得？
if (isTable) {//非Table下必须保证原有顺序！否则 count,page 会丢, total@:"/[]/total" 会在[]:{}前执行！
customMap = new LinkedHashMap<String, Object>();
childMap = new LinkedHashMap<String, JSONObject>();
}
functionMap = new LinkedHashMap<String, Map<String, String>>();//必须执行
//条件<<<<<<<<<<<<<<<<<<<
List<String> whereList = null;
if (method == PUT) { //这里只有PUTArray需要处理 || method == DELETE) {
String[] combine = StringUtil.split(request.getString(KEY_COMBINE));
if (combine != null) {
String w;
for (int i = 0; i < combine.length; i++) { //去除 &,|,! 前缀
w = combine[i];
if (w != null && (w.startsWith("&") || w.startsWith("|") || w.startsWith("!"))) {
combine[i] = w.substring(1);
}
}
}
//Arrays.asList()返回值不支持add方法！
whereList = new ArrayList<String>(Arrays.asList(combine != null ? combine : new String[]{}));
whereList.add(apijson.JSONRequest.KEY_ID);
whereList.add(apijson.JSONRequest.KEY_ID_IN);
}
//条件>>>>>>>>>>>>>>>>>>>
String key;
Object value;
int index = 0;
for (Entry<String, Object> entry : set) {
if (isBreakParse()) {
break;
}
value = entry.getValue();
if (value == null) {
continue;
}
key = entry.getKey();
try {
if (key.startsWith("@") || key.endsWith("@")) {
if (onParse(key, value) == false) {
invalidate();
}
}
else if (value instanceof JSONObject) { // JSONObject，往下一级提取
if (childMap != null) { // 添加到childMap，最后再解析
childMap.put(key, (JSONObject)value);
}
else { // 直接解析并替换原来的，[]:{} 内必须直接解析，否则会因为丢掉count等属性，并且total@:"/[]/total"必须在[]:{} 后！
response.put(key, onChildParse(index, key, (JSONObject)value));
index ++;
}
}
else if ((method == POST || method == PUT) && value instanceof JSONArray
&& JSONRequest.isTableArray(key)) { // JSONArray，批量新增或修改，往下一级提取
onTableArrayParse(key, (JSONArray) value);
}
else if (method == PUT && value instanceof JSONArray
&& (whereList == null || whereList.contains(key) == false)) { // PUT JSONArray
onPUTArrayParse(key, (JSONArray) value);
}
else { // JSONArray或其它Object，直接填充
if (onParse(key, value) == false) {
invalidate();
}
}
} catch (Exception e) {
if (tri == false) {
throw e; // 不忽略错误，抛异常
}
invalidate(); // 忽略错误，还原request
}
}
// 非Table内的函数会被滞后在onChildParse后调用！ onFunctionResponse("-");
}
if (isTable) {
if (sqlRequest.get(JSONRequest.KEY_DATABASE) == null && parser.getGlobleDatabase() != null) {
sqlRequest.put(JSONRequest.KEY_DATABASE, parser.getGlobleDatabase());
}
if (sqlRequest.get(JSONRequest.KEY_SCHEMA) == null && parser.getGlobleSchema() != null) {
sqlRequest.put(JSONRequest.KEY_SCHEMA, parser.getGlobleSchema());
}
if (isSubquery == false) { //解决 SQL 语法报错，子查询不能 EXPLAIN
if (sqlRequest.get(JSONRequest.KEY_EXPLAIN) == null && parser.getGlobleExplain() != null) {
sqlRequest.put(JSONRequest.KEY_EXPLAIN, parser.getGlobleExplain());
}
if (sqlRequest.get(JSONRequest.KEY_CACHE) == null && parser.getGlobleCache() != null) {
sqlRequest.put(JSONRequest.KEY_CACHE, parser.getGlobleCache());
}
}
}
}
if (isInvalidate()) {
recycle();
return null;
}
return this;
}
/**解析普通成员
* @param key
* @param value
* @return whether parse succeed
*/
@Override
public boolean onParse(@NotNull String key, @NotNull Object value) throws Exception {
if (key.endsWith("@")) {//StringUtil.isPath((String) value)) {
if (value instanceof JSONObject) { // SQL 子查询对象，JSONObject -> SQLConfig.getSQL
String replaceKey = key.substring(0, key.length() - 1);//key{}@ getRealKey
JSONObject subquery = (JSONObject) value;
String range = subquery.getString(JSONRequest.KEY_SUBQUERY_RANGE);
if (range != null && JSONRequest.SUBQUERY_RANGE_ALL.equals(range) == false && JSONRequest.SUBQUERY_RANGE_ANY.equals(range) == false) {
throw new IllegalArgumentException("子查询 " + path + "/" + key + ":{ range:value } 中 value 只能为 [" + JSONRequest.SUBQUERY_RANGE_ALL + ", " + JSONRequest.SUBQUERY_RANGE_ANY + "] 中的一个！");
}
JSONArray arr = parser.onArrayParse(subquery, path, key, true);
JSONObject obj = arr == null || arr.isEmpty() ? null : arr.getJSONObject(0);
if (obj == null) {
throw new Exception("服务器内部错误，解析子查询 " + path + "/" + key + ":{ } 为 Subquery 对象失败！");
}
String from = subquery.getString(JSONRequest.KEY_SUBQUERY_FROM);
JSONObject arrObj = from == null ? null : obj.getJSONObject(from);
if (arrObj == null) {
throw new IllegalArgumentException("子查询 " + path + "/" + key + ":{ from:value } 中 value 对应的主表对象 " + from + ":{} 不存在！");
}
//
SQLConfig cfg = (SQLConfig) arrObj.get(AbstractParser.KEY_CONFIG);
if (cfg == null) {
throw new NotExistException(TAG + ".onParse cfg == null");
}
Subquery s = new Subquery();
s.setPath(path);
s.setOriginKey(key);
s.setOriginValue(subquery);
s.setFrom(from);
s.setRange(range);
s.setKey(replaceKey);
s.setConfig(cfg);
key = replaceKey;
value = s; //(range == null || range.isEmpty() ? "" : "range") + "(" + cfg.getSQL(false) + ") ";
parser.putQueryResult(AbstractParser.getAbsPath(path, key), s); //字符串引用保证不了安全性 parser.getSQL(cfg));
}
else if (value instanceof String) { // 引用赋值路径
// System.out.println("getObject key.endsWith(@) >> parseRelation = " + parseRelation);
String replaceKey = key.substring(0, key.length() - 1);//key{}@ getRealKey
String targetPath = AbstractParser.getValuePath(type == TYPE_ITEM
? path : parentPath, new String((String) value));
//先尝试获取，尽量保留缺省依赖路径，这样就不需要担心路径改变
Object target = onReferenceParse(targetPath);
Log.i(TAG, "onParse targetPath = " + targetPath + ";> + target);
if (target == null) {//String#equals(null)会出错
Log.d(TAG, "onParse null >> return true;");
return true;
}
if (target instanceof Map) { //target可能是从requestObject里取出的 {}
if (isTable || targetPath.endsWith("[]/" + JSONResponse.KEY_INFO) == false) {
Log.d(TAG, "onParse target instanceof Map >> return false;");
return false; //FIXME 这个判断现在来看是否还有必要？为啥不允许为 JSONObject ？以前可能因为防止二次遍历再解析，现在只有一次遍历
}
}
if (targetPath.equals(target)) {//必须valuePath和保证getValueByPath传进去的一致！
Log.d(TAG, "onParse targetPath.equals(target) >>");
//非查询关键词 @key 不影响查询，直接跳过
if (isTable && (key.startsWith("@") == false || JSONRequest.TABLE_KEY_LIST.contains(key))) {
Log.e(TAG, "onParse isTable && (key.startsWith(@) == false"
+ " || JSONRequest.TABLE_KEY_LIST.contains(key)) >> return null;");
return false;//获取不到就不用再做无效的query了。不考虑 Table:{Table:{}}嵌套
} else {
Log.d(TAG, "onParse isTable(table) == false >> return true;");
return true;//舍去，对Table无影响
}
}
//直接替换原来的key@:path为key:target
Log.i(TAG, "onParse >> key = replaceKey; value = target;");
key = replaceKey;
value = target;
Log.d(TAG, "onParse key = " + key + "; value = " + value);
}
else {
throw new IllegalArgumentException(path + "/" + key + ":value 中 value 必须为 依赖路径String 或 SQL子查询JSONObject ！");
}
}
if (key.endsWith("()")) {
if (value instanceof String == false) {
throw new IllegalArgumentException(path + "/" + key + ":value 中 value 必须为函数String！");
}
String k = key.substring(0, key.length() - 2);
String type; //远程函数比较少用，一般一个Table:{}内用到也就一两个，所以这里用 "-","0","+" 更直观，转用 -1,0,1 对性能提升不大。
if (k.endsWith("-")) { //不能封装到functionMap后批量执行，否则会导致非Table内的 key-():function() 在onChildParse后执行！
type = "-";
k = k.substring(0, k.length() - 1);
parseFunction(k, (String) value, parentPath, name, request);
}
else {
if (k.endsWith("+")) {
type = "+";
k = k.substring(0, k.length() - 1);
}
else {
type = "0";
}
//远程函数比较少用，一般一个Table:{}内用到也就一两个，所以这里循环里new出来对性能影响不大。
Map<String, String> map = functionMap.get(type);
if (map == null) {
map = new LinkedHashMap<>();
}
map.put(k, (String) value);
functionMap.put(type, map);
}
}
else if (isTable && key.startsWith("@") && JSONRequest.TABLE_KEY_LIST.contains(key) == false) {
customMap.put(key, value);
}
else {
sqlRequest.put(key, value);
}
return true;
}
/**
* @param key
* @param value
* @param isFirst
* @return
* @throws Exception
*/
@Override
public JSON onChildParse(int index, String key, JSONObject value) throws Exception {
boolean isFirst = index <= 0;
boolean isMain = isFirst && type == TYPE_ITEM;
JSON child;
boolean isEmpty;
if (apijson.JSONObject.isArrayKey(key)) {//APIJSON Array
if (isMain) {
throw new IllegalArgumentException(parentPath + "/" + key + ":{} 不合法！"
+ "数组 []:{} 中第一个 key:{} 必须是主表 TableKey:{} ！不能为 arrayKey[]:{} ！");
}
if (arrayConfig == null || arrayConfig.getPosition() == 0) {
arrayCount ++;
int maxArrayCount = parser.getMaxArrayCount();
if (arrayCount > maxArrayCount) {
throw new IllegalArgumentException(path + " 内截至 " + key + ":{} 时数组对象 key[]:{} 的数量达到 " + arrayCount + " 已超限，必须在 0-" + maxArrayCount + " 内 !");
}
}
child = parser.onArrayParse(value, path, key, isSubquery);
isEmpty = child == null || ((JSONArray) child).isEmpty();
}
else { //APIJSON Object
boolean isTableKey = JSONRequest.isTableKey(Pair.parseEntry(key, true).getKey());
if (type == TYPE_ITEM && isTableKey == false) {
throw new IllegalArgumentException(parentPath + "/" + key + ":{} 不合法！"
+ "数组 []:{} 中每个 key:{} 都必须是表 TableKey:{} 或 数组 arrayKey[]:{} ！");
}
if ( //避免使用 "test":{"Test":{}} 绕过限制，实现查询爆炸 isTableKey &&
(arrayConfig == null || arrayConfig.getPosition() == 0)) {
objectCount ++;
int maxObjectCount = parser.getMaxObjectCount();
if (objectCount > maxObjectCount) { //TODO 这里判断是批量新增/修改，然后上限为 maxUpdateCount
throw new IllegalArgumentException(path + " 内截至 " + key + ":{} 时对象"
+ " key:{} 的数量达到 " + objectCount + " 已超限，必须在 0-" + maxObjectCount + " 内 !");
}
}
child = parser.onObjectParse(value, path, key, isMain ? arrayConfig.setType(SQLConfig.TYPE_ITEM_CHILD_0) : null, isSubquery);
isEmpty = child == null || ((JSONObject) child).isEmpty();
if (isFirst && isEmpty) {
invalidate();
}
}
Log.i(TAG, "onChildParse ObjectParser.onParse key = " + key + "; child = " + child);
return isEmpty ? null : child;//只添加! isChildEmpty的值，可能数据库返回数据不够count
}
//TODO 改用 MySQL json_add,json_remove,json_contains 等函数！
/**PUT key:[]
* @param key
* @param array
* @throws Exception
*/
@Override
public void onPUTArrayParse(@NotNull String key, @NotNull JSONArray array) throws Exception {
if (isTable == false || array.isEmpty()) {
Log.e(TAG, "onPUTArrayParse isTable == false || array == null || array.isEmpty() >> return;");
return;
}
int putType = 0;
if (key.endsWith("+")) {//add
putType = 1;
} else if (key.endsWith("-")) {//remove
putType = 2;
} else {//replace
// throw new IllegalAccessException("PUT " + path + ", PUT Array不允许 " + key +
// " 这种没有 + 或 - 结尾的key！不允许整个替换掉原来的Array！");
}
String realKey = AbstractSQLConfig.getRealKey(method, key, false, false);
//GET > add all 或 remove all > PUT > remove key
//GET <<<<<<<<<<<<<<<<<<<<<<<<<
JSONObject rq = new JSONObject();
rq.put(JSONRequest.KEY_ID, request.get(JSONRequest.KEY_ID));
rq.put(JSONRequest.KEY_COLUMN, realKey);
JSONObject rp = parseResponse(RequestMethod.GET, table, null, rq, null, false);
//GET >>>>>>>>>>>>>>>>>>>>>>>>>
//add all 或 remove all <<<<<<<<<<<<<<<<<<<<<<<<<
JSONArray targetArray = rp == null ? null : rp.getJSONArray(realKey);
if (targetArray == null) {
targetArray = new JSONArray();
}
for (Object obj : array) {
if (obj == null) {
continue;
}
if (putType == 1) {
if (targetArray.contains(obj)) {
throw new ConflictException("PUT " + path + ", " + realKey + ":" + obj + " 已存在！");
}
targetArray.add(obj);
} else if (putType == 2) {
if (targetArray.contains(obj) == false) {
throw new NullPointerException("PUT " + path + ", " + realKey + ":" + obj + " 不存在！");
}
targetArray.remove(obj);
}
}
//add all 或 remove all >>>>>>>>>>>>>>>>>>>>>>>>>
//PUT <<<<<<<<<<<<<<<<<<<<<<<<<
sqlRequest.put(realKey, targetArray);
//PUT >>>>>>>>>>>>>>>>>>>>>>>>>
}
@Override
public void onTableArrayParse(String key, JSONArray value) throws Exception {
String childKey = key.substring(0, key.length() - JSONRequest.KEY_ARRAY.length());
JSONArray valueArray = (JSONArray) value;
int allCount = 0;
JSONArray ids = new JSONArray();
int version = parser.getVersion();
int maxUpdateCount = parser.getMaxUpdateCount();
String idKey = parser.createSQLConfig().getIdKey(); //Table[]: [{}] arrayConfig 为 null
boolean isNeedVerifyContent = parser.isNeedVerifyContent();
for (int i = 0; i < valueArray.size(); i++) { //只要有一条失败，则抛出异常，全部失败
//TODO 改成一条多 VALUES 的 SQL 性能更高，报错也更会更好处理，更人性化
JSONObject item;
try {
item = valueArray.getJSONObject(i);
}
catch (Exception e) {
throw new UnsupportedDataTypeException("批量新增/修改失败！" + key + "/" + i + ":value 中value不合法！类型必须是 OBJECT ，结构为 {} !");
}
JSONRequest req = new JSONRequest(childKey, item);
//parser.getMaxSQLCount() ? 可能恶意调用接口，把数据库拖死
JSONObject result = (JSONObject) onChildParse(0, "" + i, isNeedVerifyContent == false ? req : parser.parseCorrectRequest(method, childKey, version, "", req, maxUpdateCount, parser));
result = result.getJSONObject(childKey);
//
boolean success = JSONResponse.isSuccess(result);
int count = result == null ? null : result.getIntValue(JSONResponse.KEY_COUNT);
if (success == false || count != 1) { //如果 code = 200 但 count != 1，不能算成功，掩盖了错误不好排查问题
throw new ServerException("批量新增/修改失败！" + key + "/" + i + "：" + (success ? "成功但 count != 1 ！" : (result == null ? "null" : result.getString(JSONResponse.KEY_MSG))));
}
allCount += count;
ids.add(result.get(idKey));
}
JSONObject allResult = AbstractParser.newSuccessResult();
allResult.put(JSONResponse.KEY_COUNT, allCount);
allResult.put(idKey + "[]", ids);
response.put(childKey, allResult); //不按原样返回，避免数据量过大
}
@Override
public JSONObject parseResponse(RequestMethod method, String table, String alias, JSONObject request, List<Join> joinList, boolean isProcedure) throws Exception {
SQLConfig config = newSQLConfig(method, table, alias, request, joinList, isProcedure);
return parseResponse(config, isProcedure);
}
@Override
public JSONObject parseResponse(SQLConfig config, boolean isProcedure) throws Exception {
if (parser.getSQLExecutor() == null) {
parser.createSQLExecutor();
}
return parser.getSQLExecutor().execute(config, isProcedure);
}
@Override
public SQLConfig newSQLConfig(boolean isProcedure) throws Exception {
return newSQLConfig(method, table, alias, sqlRequest, joinList, isProcedure);
}
/**SQL 配置，for single object
* @return {@link #setSQLConfig(int, int, int)}
* @throws Exception
*/
@Override
public AbstractObjectParser setSQLConfig() throws Exception {
return setSQLConfig(1, 0, 0);
}
@Override
public AbstractObjectParser setSQLConfig(int count, int page, int position) throws Exception {
if (isTable == false) {
return this;
}
if (sqlConfig == null) {
try {
sqlConfig = newSQLConfig(false);
}
catch (NotExistException e) {
e.printStackTrace();
return this;
}
}
sqlConfig.setCount(count).setPage(page).setPosition(position);
parser.onVerifyRole(sqlConfig);
return this;
}
protected SQLConfig sqlConfig = null;//array item复用
/**SQL查询，for array item
* @param count
* @param page
* @param position
* @return this
* @throws Exception
*/
@Override
public AbstractObjectParser executeSQL() throws Exception {
//执行SQL操作数据库
if (isTable == false) {//提高性能
sqlReponse = new JSONObject(sqlRequest);
} else {
try {
sqlReponse = onSQLExecute();
}
catch (NotExistException e) {
// Log.e(TAG, "getObject try { response = getSQLObject(config2); } catch (Exception e) {");
// if (e instanceof NotExistException) {//非严重异常，有时候只是数据不存在
// // e.printStackTrace();
sqlReponse = null;//内部吃掉异常，put到最外层
// requestObject.put(JSONResponse.KEY_MSG
// , StringUtil.getString(requestObject.get(JSONResponse.KEY_MSG)
// + "; query " + path + " cath NotExistException:"
// + newErrorResult(e).getString(JSONResponse.KEY_MSG)));
// } else {
// throw e;
// }
}
if (drop) {//丢弃Table，只为了向下提供条件
sqlReponse = null;
}
}
return this;
}
/**
* @return response
* @throws Exception
*/
@Override
public JSONObject response() throws Exception {
if (sqlReponse == null || sqlReponse.isEmpty()) {
if (isTable) {//Table自身都获取不到值，则里面的Child都无意义，不需要再解析
return null; // response;
}
} else {
response.putAll(sqlReponse);
}
//把isTable时取出去的custom重新添加回来
if (customMap != null) {
response.putAll(customMap);
}
onFunctionResponse("0");
onChildResponse();
onFunctionResponse("+");
onComplete();
return response;
}
@Override
public void onFunctionResponse(String type) throws Exception {
Map<String, String> map = functionMap == null ? null : functionMap.get(type);
//解析函数function
Set<Entry<String, String>> functionSet = map == null ? null : map.entrySet();
if (functionSet != null && functionSet.isEmpty() == false) {
// JSONObject json = "-".equals(type) ? request : response; // key-():function 是实时执行，而不是在这里批量执行
for (Entry<String, String> entry : functionSet) {
// parseFunction(json, entry.getKey(), entry.getValue());
parseFunction(entry.getKey(), entry.getValue(), parentPath, name, response);
}
}
}
public void parseFunction(String key, String value, String parentPath, String currentName, JSONObject currentObject) throws Exception {
Object result;
if (key.startsWith("@")) {
FunctionBean fb = AbstractFunctionParser.parseFunction(value, currentObject, true);
SQLConfig config = newSQLConfig(true);
config.setProcedure(fb.toFunctionCallString(true));
result = parseResponse(config, true);
key = key.substring(1);
}
else {
result = parser.onFunctionParse(key, value, parentPath, currentName, currentObject);
}
if (result != null) {
String k = AbstractSQLConfig.getRealKey(method, key, false, false);
response.put(k, result);
parser.putQueryResult(AbstractParser.getAbsPath(path, k), result);
}
}
@Override
public void onChildResponse() throws Exception {
//把isTable时取出去child解析后重新添加回来
Set<Entry<String, JSONObject>> set = childMap == null ? null : childMap.entrySet();
if (set != null) {
int index = 0;
for (Entry<String, JSONObject> entry : set) {
if (entry != null) {
response.put(entry.getKey(), onChildParse(index, entry.getKey(), entry.getValue()));
index ++;
}
}
}
}
@Override
public Object onReferenceParse(@NotNull String path) {
return parser.getValueByPath(path);
}
@Override
public JSONObject onSQLExecute() throws Exception {
JSONObject result = parser.executeSQL(sqlConfig, isSubquery);
if (isSubquery == false && result != null) {
parser.putQueryResult(path, result);//解决获取关联数据时requestObject里不存在需要的关联数据
}
return result;
}
/**
* response has the final value after parse (and query if isTable)
*/
@Override
public void onComplete() {
}
/**回收内存
*/
@Override
public void recycle() {
//后面还可能用到，要还原
if (tri) {//避免返回未传的字段
request.put(KEY_TRY, tri);
}
if (drop) {
request.put(KEY_DROP, drop);
}
method = null;
parentPath = null;
arrayConfig = null;
// if (response != null) {
// response.clear();//有效果?
// response = null;
// }
request = null;
response = null;
sqlRequest = null;
sqlReponse = null;
functionMap = null;
customMap = null;
childMap = null;
}
protected RequestMethod method;
@Override
public AbstractObjectParser setMethod(RequestMethod method) {
if (this.method != method) {
this.method = method;
sqlConfig = null;
//TODO ? sqlReponse = null;
}
return this;
}
@Override
public RequestMethod getMethod() {
return method;
}
@Override
public boolean isTable() {
return isTable;
}
@Override
public String getPath() {
return path;
}
@Override
public String getTable() {
return table;
}
@Override
public String getAlias() {
return alias;
}
@Override
public SQLConfig getArrayConfig() {
return arrayConfig;
}
@Override
public SQLConfig getSQLConfig() {
return sqlConfig;
}
@Override
public JSONObject getResponse() {
return response;
}
@Override
public JSONObject getSqlRequest() {
return sqlRequest;
}
@Override
public JSONObject getSqlReponse() {
return sqlReponse;
}
@Override
public Map<String, Object> getCustomMap() {
return customMap;
}
@Override
public Map<String, Map<String, String>> getFunctionMap() {
return functionMap;
}
@Override
public Map<String, JSONObject> getChildMap() {
return childMap;
}
}