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SWBDataSource.java
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1196 lines (1092 loc) · 33.5 KB
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/*
* To change this template, choose Tools | Templates
* and open the template in the editor.
*/
package org.semanticwb.datamanager;
import java.io.IOException;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import org.semanticwb.datamanager.datastore.SWBDataStore;
import org.semanticwb.datamanager.script.ScriptObject;
/**
*
* @author javier.solis
*/
public class SWBDataSource
{
/**
*
*/
public static final String ACTION_FETCH="fetch";
/**
*
*/
public static final String ACTION_AGGREGATE="aggregate";
/**
*
*/
public static final String ACTION_UPDATE="update";
/**
*
*/
public static final String ACTION_ADD="add";
/**
*
*/
public static final String ACTION_REMOVE="remove";
/**
*
*/
public static final String ACTION_VALIDATE="validate";
/**
*
*/
public static final String ACTION_LOGIN="login";
/**
*
*/
public static final String ACTION_LOGOUT="logout";
/**
*
*/
public static final String ACTION_USER="user";
/**
*
*/
public static final String ACTION_CONTEXTDATA="contextData";
private String name=null;
private String dataStoreName=null;
private SWBScriptEngine engine=null;
private ScriptObject script=null;
private SWBDataStore db=null;
private String modelid=null;
private HashMap<String,DataObject> cache=new HashMap();
private HashMap<String,String> removeDependenceFields=null;
/**
*
* @param name
* @param modelid
* @param script
* @param engine
*/
protected SWBDataSource(String name, String modelid, ScriptObject script, SWBScriptEngine engine)
{
this.name=name;
this.engine=engine;
this.script=script;
this.modelid=modelid;
dataStoreName=this.script.getString("dataStore");
this.db=engine.getDataStore(dataStoreName);
if(this.db==null)throw new NoSuchFieldError("DataStore not found:"+dataStoreName);
}
/**
* Regresa Nombre del DataSource
* @return String
*/
public String getName() {
return name;
}
/**
* Regresa el SWBScriptEngine que contiene a este DataSource
* @return SWBScriptEngine
*/
public SWBScriptEngine getScriptEngine() {
return engine;
}
/**
* Regresa ScriptObject con el script con la definición del datasource definida el el archivo js
* @return ScriptObject
*/
public ScriptObject getDataSourceScript()
{
return script;
}
/**
*
* @return
* @throws IOException
*/
public DataObject fetch() throws IOException
{
return fetch(new DataObject());
}
// public DataObject fetch(String query) throws IOException
// {
// return fetch((DataObject)JSON.parse(query));
// }
/**
*
* @return
* @throws IOException
*/
public DataObjectIterator find() throws IOException
{
return find(new DataObject());
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObjectIterator find(DataObject json) throws IOException
{
if(canDoAction(ACTION_FETCH))
{
DataObject req=engine.invokeDataProcessors(name, SWBDataSource.ACTION_FETCH, SWBDataProcessor.METHOD_REQUEST, json);
DataObjectIterator res=db.find(req,this);
return res;
}else
{
return new DataObjectIterator();
}
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObjectIterator find(org.openjdk.nashorn.api.scripting.ScriptObjectMirror json) throws IOException
{
return find(DataUtils.toDataObject(json));
}
/**
*
* @return
* @throws IOException
*/
public DataObject mapByNumId() throws IOException
{
return mapByNumId(new DataObject());
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject mapByNumId(DataObject json) throws IOException
{
DataObject ret=new DataObject();
DataObjectIterator it = find(json);
while (it.hasNext()) {
DataObject dev = it.next();
ret.put(dev.getNumId(), dev);
}
return ret;
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject mapByNumId(org.openjdk.nashorn.api.scripting.ScriptObjectMirror json) throws IOException
{
return mapByNumId(DataUtils.toDataObject(json));
}
/**
*
* @return
* @throws IOException
*/
public DataObject mapById() throws IOException
{
return mapByField("_id");
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject mapById(DataObject json) throws IOException
{
return mapByField(json, "_id");
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject mapById(org.openjdk.nashorn.api.scripting.ScriptObjectMirror json) throws IOException
{
return mapByField(DataUtils.toDataObject(json),"_id");
}
/**
*
* @param field
* @return
* @throws IOException
*/
public DataObject mapByField(String field) throws IOException
{
return mapByField(new DataObject(), field);
}
/**
*
* @param json
* @param field
* @return
* @throws IOException
*/
public DataObject mapByField(DataObject json, String field) throws IOException
{
DataObject ret=new DataObject();
DataObjectIterator it = find(json);
while (it.hasNext()) {
DataObject dev = it.next();
ret.put(dev.getString(field), dev);
}
return ret;
}
/**
*
* @param json
* @param field
* @return
* @throws IOException
*/
public DataObject mapByField(org.openjdk.nashorn.api.scripting.ScriptObjectMirror json, String field) throws IOException
{
return mapByField(DataUtils.toDataObject(json),field);
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject fetch(DataObject json) throws IOException
{
if(canDoAction(ACTION_FETCH))
{
DataObject req=engine.invokeDataProcessors(name, SWBDataSource.ACTION_FETCH, SWBDataProcessor.METHOD_REQUEST, json);
if(json.getInt("endRow",0)==0 && json.getInt("startRow",0)==0)json.put("endRow", 1000);
DataObject res=db.fetch(req,this);
res=engine.invokeDataProcessors(name, SWBDataSource.ACTION_FETCH, SWBDataProcessor.METHOD_RESPONSE, res);
engine.invokeDataServices(name, SWBDataSource.ACTION_FETCH, req, res);
return res;
}else
{
return getError(-5, "Forbidden Action");
}
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject fetch(org.openjdk.nashorn.api.scripting.ScriptObjectMirror json) throws IOException
{
return fetch(DataUtils.toDataObject(json));
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject aggregate(DataObject json) throws IOException
{
if(canDoAction(ACTION_AGGREGATE))
{
DataObject req=engine.invokeDataProcessors(name, SWBDataSource.ACTION_AGGREGATE, SWBDataProcessor.METHOD_REQUEST, json);
DataObject res=db.aggregate(req,this);
res=engine.invokeDataProcessors(name, SWBDataSource.ACTION_AGGREGATE, SWBDataProcessor.METHOD_RESPONSE, res);
engine.invokeDataServices(name, SWBDataSource.ACTION_AGGREGATE, req, res);
return res;
}else
{
return getError(-5, "Forbidden Action");
}
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject aggregate(org.openjdk.nashorn.api.scripting.ScriptObjectMirror json) throws IOException
{
return aggregate(DataUtils.toDataObject(json));
}
/**
*
* @param obj
* @return
* @throws IOException
*/
public DataObject addObj(DataObject obj) throws IOException
{
DataObject ret=null;
DataObject req=new DataObject();
req.put("data", obj);
ret=add(req);
return ret;
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject addObj(org.openjdk.nashorn.api.scripting.ScriptObjectMirror json) throws IOException
{
return addObj(DataUtils.toDataObject(json));
}
/**
*
* @param obj
* @return
* @throws IOException
*/
public DataObject updateObj(DataObject obj) throws IOException
{
DataObject ret=null;
DataObject req=new DataObject();
req.put("data", obj);
ret=update(req);
return ret;
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject updateObj(org.openjdk.nashorn.api.scripting.ScriptObjectMirror json) throws IOException
{
return updateObj(DataUtils.toDataObject(json));
}
/**
*
* @param obj
* @return
* @throws IOException
*/
public DataObject removeObj(DataObject obj) throws IOException
{
DataObject ret=null;
DataObject req=new DataObject();
req.put("data", obj);
ret=remove(req);
return ret;
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject removeObj(org.openjdk.nashorn.api.scripting.ScriptObjectMirror json) throws IOException
{
return removeObj(DataUtils.toDataObject(json));
}
public DataObject fetchObjByNumId(String id, DataObject def) throws IOException
{
DataObject ret = fetchObjByNumId(id);
if (ret != null) {
return ret;
}
return def;
}
/**
*
* @param id
* @return
* @throws IOException
*/
public DataObject fetchObjByNumId(String id) throws IOException
{
return fetchObjById(getBaseUri()+id);
}
public DataObject fetchObjById(String id, DataObject def) throws IOException
{
DataObject ret = fetchObjById(id);
if (ret != null) {
return ret;
}
return def;
}
/**
*
* @param id
* @return
* @throws IOException
*/
public DataObject fetchObjById(String id) throws IOException
{
DataObject ret=null;
DataObject req=new DataObject();
DataObject data=new DataObject();
data.put("_id", id);
req.put("data", data);
DataObject r=(DataObject)fetch(req);
if(r!=null)
{
DataObject res=(DataObject)r.get("response");
if(res!=null)
{
Object s=res.get("data");
if(s instanceof DataList)
{
DataList rdata=(DataList)s;
if(rdata!=null && rdata.size()>0)
{
ret=(DataObject)rdata.get(0);
}
}else
{
System.out.println("error:"+s);
}
}
}
return ret;
}
/**
* Regresa Objecto de cache NumID y si no lo tiene lo carga, de lo contrario regresa el valor por default
* @param id
* @return
*/
public DataObject getObjectByNumId(String id, DataObject def) {
DataObject ret = getObjectByNumId(id);
if (ret != null) {
return ret;
}
return def;
}
/**
* Regresa Objecto de cache NumID y si no lo tiene lo carga, de lo contrario regresa null
* @param id
* @return
*/
public DataObject getObjectByNumId(String id)
{
return getObjectById(getBaseUri()+id);
}
/**
* Regresa Objecto de cache por ID y si no lo tiene lo carga, de lo contrario regresa el valor por default
* @param id
* @return
*/
public DataObject getObjectById(String id, DataObject def) {
DataObject ret = getObjectById(id);
if (ret != null) {
return ret;
}
return def;
}
/**
* Regresa Objecto de cache por ID y si no lo tiene lo carga, de lo contrario regresa null
* @param id
* @return
*/
public DataObject getObjectById(String id)
{
DataObject obj=cache.get(id);
if(obj==null)
{
synchronized(cache)
{
obj=cache.get(id);
if(obj==null)
{
try
{
obj=fetchObjById(id);
cache.put(id, obj);
}catch(IOException e)
{
e.printStackTrace();
}
}
}
}
return obj;
}
/**
*
* @param id
* @return
* @throws IOException
*/
public DataObject removeObjByNumId(String id) throws IOException
{
return removeObjById(getBaseUri()+id);
}
/**
*
* @param id
* @return
* @throws IOException
*/
public DataObject removeObjById(String id) throws IOException
{
DataObject ret=null;
DataObject req=new DataObject();
DataObject data=new DataObject();
data.put("_id", id);
req.put("data", data);
DataObject r=(DataObject)remove(req);
if(r!=null)
{
ret=(DataObject)r.get("response");
}
cache.remove(id);
return ret;
}
// public DataObject update(String query) throws IOException
// {
// return update((DataObject)JSON.parse(query));
// }
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject update(DataObject json) throws IOException
{
if(canDoAction(ACTION_UPDATE))
{
DataObject req=engine.invokeDataProcessors(name, SWBDataSource.ACTION_UPDATE, SWBDataProcessor.METHOD_REQUEST, json);
DataObject res=db.update(req,this);
res=engine.invokeDataProcessors(name, SWBDataSource.ACTION_UPDATE, SWBDataProcessor.METHOD_RESPONSE, res);
engine.invokeDataServices(name, SWBDataSource.ACTION_UPDATE, req, res);
if(req!=null)
{
DataObject data=req.getDataObject("data");
if(data!=null)
{
String id=data.getString("_id");
cache.remove(id);
}
}
return res;
}else
{
return getError(-5, "Forbidden Action");
}
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject update(org.openjdk.nashorn.api.scripting.ScriptObjectMirror json) throws IOException
{
return update(DataUtils.toDataObject(json));
}
// public DataObject add(String query) throws IOException
// {
// return add((DataObject)JSON.parse(query));
// }
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject add(DataObject json) throws IOException
{
if(canDoAction(ACTION_ADD))
{
DataObject req=engine.invokeDataProcessors(name, SWBDataSource.ACTION_ADD, SWBDataProcessor.METHOD_REQUEST, json);
DataObject res=db.add(req,this);
res=engine.invokeDataProcessors(name, SWBDataSource.ACTION_ADD, SWBDataProcessor.METHOD_RESPONSE, res);
engine.invokeDataServices(name, SWBDataSource.ACTION_ADD, req, res);
return res;
}else
{
return getError(-5, "Forbidden Action");
}
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject add(org.openjdk.nashorn.api.scripting.ScriptObjectMirror json) throws IOException
{
return add(DataUtils.toDataObject(json));
}
// public DataObject remove(String query) throws IOException
// {
// return remove((DataObject)JSON.parse(query));
// }
/**
*
* @return
*/
public HashMap getRemoveDependenceFields()
{
if(removeDependenceFields==null)
{
synchronized(this)
{
if(removeDependenceFields==null)
{
System.out.println("Loading removeDependence "+getName());
removeDependenceFields=new HashMap();
ScriptObject fields=script.get("fields");
if(fields!=null)
{
Iterator<ScriptObject> it = fields.values().iterator();
while (it.hasNext()) {
ScriptObject obj = it.next();
String val = obj.getString("removeDependence");
if(val==null && "grid".equals(obj.getString("stype")))val="true"; //TODO: crear deficionion configurable de stipos contra propiedades
if(val!=null && val.equals("true"))
{
String name=obj.getString("name");
String dss=obj.getString("dataSource");
removeDependenceFields.put(name,dss);
}
}
}
ScriptObject links=script.get("links");
if(links!=null)
{
Iterator<ScriptObject>it = links.values().iterator();
while (it.hasNext()) {
ScriptObject obj = it.next();
String val = obj.getString("removeDependence");
if(val==null || val.equals("true"))
{
String name=obj.getString("name");
String dss=obj.getString("dataSource");
removeDependenceFields.put(name,dss);
}
}
}
}
}
}
return removeDependenceFields;
}
private void removeDependence(String id) throws IOException
{
//System.out.println("removeDependence:"+id);
if(id==null)return;
DataObject obj=fetchObjById(id);
//System.out.println("obj:"+obj);
HashMap map=getRemoveDependenceFields();
Iterator<String> it=map.keySet().iterator();
while (it.hasNext()) {
String name = it.next();
String dss=(String)map.get(name);
Object o=obj.get(name);
//System.out.println("prop:"+name+":"+o);
if(o instanceof DataList)
{
DataList list=(DataList)o;
Iterator<String> it2=list.iterator();
while (it2.hasNext()) {
String str = it2.next();
//System.out.println("remove m:"+str+":"+dss);
SWBDataSource ds=engine.getDataSource(dss);
ds.removeObjById(str);
}
}else if(o instanceof String)
{
//System.out.println("remove s:"+o+":"+dss);
SWBDataSource ds=engine.getDataSource(dss);
ds.removeObjById(o.toString());
}
}
}
private void checkRemoveDependence(DataObject json) throws IOException
{
HashMap map=getRemoveDependenceFields();
if(!map.isEmpty())
{
DataObject data = json.getDataObject("data");
boolean removeByID=json.getBoolean("removeByID",true);
if(removeByID)
{
String id=data.getString("_id");
removeDependence(id);
}else
{
DataObject r=fetch(json);
if(r!=null)
{
DataObject res=(DataObject)r.get("response");
if(res!=null)
{
DataList rdata=(DataList)res.get("data");
Iterator<DataObject> it=rdata.iterator();
while (it.hasNext()) {
DataObject obj = it.next();
removeDependence(obj.getId());
}
}
}
}
}
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject remove(DataObject json) throws IOException
{
if(canDoAction(ACTION_REMOVE))
{
DataObject req=engine.invokeDataProcessors(name, SWBDataSource.ACTION_REMOVE, SWBDataProcessor.METHOD_REQUEST, json);
checkRemoveDependence(json);
DataObject res=db.remove(req,this);
res=engine.invokeDataProcessors(name, SWBDataSource.ACTION_REMOVE, SWBDataProcessor.METHOD_RESPONSE, res);
engine.invokeDataServices(name, SWBDataSource.ACTION_REMOVE, req, res);
cache.clear();
return res;
}else
{
return getError(-5, "Forbidden Action");
}
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject remove(org.openjdk.nashorn.api.scripting.ScriptObjectMirror json) throws IOException
{
return remove(DataUtils.toDataObject(json));
}
// public DataObject validate(String query) throws IOException
// {
// return validate((DataObject)JSON.parse(query));
// }
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject validate(DataObject json) throws IOException
{
// String modelid=dataSource.getModelId();
// String scls=dataSource.getClassName();
DataObject ret=new DataObject();
DataObject resp=new DataObject();
DataObject errors=new DataObject();
ret.put("response", resp);
boolean hasErrors=false;
DataObject data=(DataObject)json.get("data");
if(data!=null)
{
Iterator<Map.Entry<String,Object>> it=data.entrySet().iterator();
while(it.hasNext())
{
Map.Entry<String,Object> entry=it.next();
String key=entry.getKey();
Object value=entry.getValue();
ScriptObject field=getDataSourceScriptField(key);
if(field!=null)
{
ScriptObject validators=field.get("validators");
if(validators!=null)
{
Iterator<ScriptObject> it2=validators.values().iterator();
while (it2.hasNext())
{
ScriptObject validator = it2.next();
String type=validator.getString("type");
if("serverCustom".equals(type))
{
ScriptObject func=validator.get("serverCondition");
if(func!=null)
{
//System.out.println(key+"-->"+value+"-->"+func);
ScriptObject r=func.invoke(engine,key,value,json);
//System.out.println("r:"+r.getValue());
if(r!=null && r.getValue().equals(false))
{
//System.out.println("Error...");
hasErrors=true;
String errmsg=validator.getString("errorMessage");
if(errmsg==null)errmsg="Error..";
errors.put(key, errmsg);
}
}
}else if("isUnique".equals(type))
{
String id=(String)data.get("_id");
DataObject req=new DataObject();
DataObject query=new DataObject();
req.put("data", query);
query.put(key, value);
DataList rdata=(DataList)((DataObject)fetch(req).get("response")).get("data");
if(rdata!=null && rdata.size()>0)
{
if(rdata.size()>1 || id==null || !((DataObject)rdata.get(0)).get("_id").toString().equals(id))
{
hasErrors=true;
String errmsg=validator.getString("errorMessage");
//TODO:Internacionalizar...
if(errmsg==null)errmsg="El valor debe de ser único..";
errors.put(key, errmsg);
}
}
//System.out.println("isUnique:"+key+"->"+value+" "+id+" "+r);
}
}
}
}
}
}
if(hasErrors)
{
resp.put("status", -4);
resp.put("errors", errors);
}else
{
resp.put("status", 0);
}
return ret;
}
/**
*
* @param json
* @return
* @throws IOException
*/
public DataObject validate(org.openjdk.nashorn.api.scripting.ScriptObjectMirror json) throws IOException
{
return validate(DataUtils.toDataObject(json));
}
/**
* Return field with name
* @param name
* @return
* @deprecated replaced by getScriptField
*/
@Deprecated
public ScriptObject getDataSourceScriptField(String name)
{
return getScriptField(name);
}
/**
* Return field with name
* @param name
* @return
*/
public ScriptObject getScriptField(String name)
{
ScriptObject fields=script.get("fields");
ScriptObject ret=DataUtils.getArrayNode(fields, "name", name);
if(ret==null)
{
fields=script.get("links");
ret=DataUtils.getArrayNode(fields, "name", name);
}
return ret;
}
/**
* return fields that have property and value
* @param prop
* @param value
* @return ArrayList with fields
*/
public ArrayList<ScriptObject> findScriptFields(String prop, String value)
{
ScriptObject fields=script.get("fields");
ArrayList<ScriptObject> ret=DataUtils.getArrayNodes(script.get("fields"), prop, value);
ArrayList<ScriptObject> ret2=DataUtils.getArrayNodes(script.get("links"), prop, value);
ret.addAll(ret2);
return ret;
}