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databases-manager-portlet
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tables' list caching added (further, in loadTables method storing mechanism of tables removed for a user session).classes GxtTReePanel, GxtToolbarFunctionality, GWTdbManagerServiceImpl 

git-svn-id: https://svn.d4science.research-infrastructures.eu/gcube/trunk/portlets/user/databases-manager-portlet@99871 82a268e6-3cf1-43bd-a215-b396298e98cf
This commit is contained in:
Loredana Liccardo 2014-09-15 10:07:30 +00:00
parent 1fa882c62d
commit a460e30453
3 changed files with 186 additions and 71 deletions
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25
src/main/java/org/gcube/portlets/user/databasesmanager/client/panels/GxtTreePanel.java
View File

@ -841,11 +841,34 @@ public class GxtTreePanel extends LayoutContainer {
} else if (Depth == 3) { // database
elementType = "database";
String database = selectedItem.getName();
//get the database type
// String dbType = selectedItem.getDatabaseType();
FileModel parent = store.getParent(selectedItem);
String resource = parent.getName();
if (selectedItem.getDatabaseType()!=null && (selectedItem.getDatabaseType().equals(ConstantsPortlet.POSTGRES))){ //refresh schema list
inputData.put("ResourceName", resource);
inputData.put("DatabaseName", database);
}
if (selectedItem.getDatabaseType()!=null && (selectedItem.getDatabaseType().equals(ConstantsPortlet.MYSQL))){ //refresh tables list
inputData.put("ResourceName", resource);
inputData.put("DatabaseName", database);
inputData.put("SchemaName", "");
}
} else if (Depth == 4) { //schema
elementType = "schema";
String schema = selectedItem.getName();
FileModel db = store.getParent(selectedItem);
String database = db.getName();
FileModel rs = store.getParent(db);
String resource = rs.getName();
inputData.put("ResourceName", resource);
inputData.put("DatabaseName", database);
inputData.put("SchemaName", schema);
}
final String elemType = elementType;

2
src/main/java/org/gcube/portlets/user/databasesmanager/client/toolbar/GxtToolbarFunctionality.java
View File

@ -434,7 +434,7 @@ public class GxtToolbarFunctionality {
// this tree level is a schema
btnTablesList.enable();
btnSubmitQuery.enable();
btnRefresCachedData.disable();
btnRefresCachedData.enable();
// btnShowCreateTable.enable();
btnShowCreateTable.disable();
btnSimpleSample.disable();

230
src/main/java/org/gcube/portlets/user/databasesmanager/server/GWTdbManagerServiceImpl.java
View File

@ -53,6 +53,7 @@ import org.gcube.portlets.user.databasesmanager.client.datamodel.GeneralOutputFr
import org.gcube.portlets.user.databasesmanager.client.datamodel.Parameter;
import org.gcube.portlets.user.databasesmanager.client.datamodel.Result;
import org.gcube.portlets.user.databasesmanager.client.datamodel.Row;
import org.gcube.portlets.user.databasesmanager.client.utils.ConstantsPortlet;
import org.gcube.portlets.user.databasesmanager.server.util.SessionUtil;
import org.gcube.portlets.user.databasesmanager.server.util.WsUtil;
@ -139,8 +140,8 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
.getSession());
// the result generated in the LoadTables method
List<Result> result = new ArrayList<Result>();
session.setAttribute("TablesResult", result);
// List<Result> result = new ArrayList<Result>();
// session.setAttribute("TablesResult", result);
// map that contains the submit query result and the related uid
HashMap<String, List<Result>> submitQueryResult = new HashMap<String, List<Result>>();
@ -152,16 +153,16 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
session.setAttribute("submitQueryResultParsed", submitQueryResultParsed);
// information about a database
String currentDB = "";
session.setAttribute("currentDB", currentDB);
String previousDB = "";
session.setAttribute("previousDB", previousDB);
// String currentDB = "";
// session.setAttribute("currentDB", currentDB);
// String previousDB = "";
// session.setAttribute("previousDB", previousDB);
// information about a schema
String currentSchema = "";
session.setAttribute("currentSchema", currentSchema);
String previousSchema = "";
session.setAttribute("previousSchema", previousSchema);
// String currentSchema = "";
// session.setAttribute("currentSchema", currentSchema);
// String previousSchema = "";
// session.setAttribute("previousSchema", previousSchema);
// Hashmap that contains computationId with a uid key
HashMap<String, String> computationIDMap = new HashMap<String, String>();
@ -498,29 +499,94 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
inputParameters.get(1).setValue(db);
inputParameters.get(2).setValue(scm);
// create data structure
ComputationOutput outputData = new ComputationOutput();
// computation id
String computationId = startComputation(algorithmId, inputParameters,
outputData);
// print check on retrieving data
// logger.info("output data retrieved");
// data output values
LinkedHashMap<String, String> mapValues = new LinkedHashMap<String, String>();
// data output keys
LinkedHashMap<String, String> mapKeys = new LinkedHashMap<String, String>();
mapValues = outputData.getMapValues();
mapKeys = outputData.getmapKeys();
for (int i = 0; i < mapValues.size(); i++) {
Result row = new Result(String.valueOf(i), mapValues.get(String
.valueOf(i)));
outputParameters.add(row);
try{
// get data from cache
// check if data exist considering as key the input parameters
String key = inputParameters.get(0).getValue()+inputParameters.get(1).getValue()+
inputParameters.get(2).getValue();
// System.out.println("***KEY: " + key);
net.sf.ehcache.Element dataFromCache = getDataFromCache(key);
Object value = null;
if (dataFromCache != null) {
value = dataFromCache.getObjectValue();
// System.out.println("***GETTING DATA FROM CACHE");
}
if (value != null) {
outputParameters = (List<Result>) value;
} else {
//start computation
// create data structure
ComputationOutput outputData = new ComputationOutput();
// computation id
String computationId = startComputation(algorithmId, inputParameters,
outputData);
// print check on retrieving data
// logger.info("output data retrieved");
// data output values
LinkedHashMap<String, String> mapValues = new LinkedHashMap<String, String>();
// data output keys
LinkedHashMap<String, String> mapKeys = new LinkedHashMap<String, String>();
mapValues = outputData.getMapValues();
mapKeys = outputData.getmapKeys();
for (int i = 0; i < mapValues.size(); i++) {
Result row = new Result(String.valueOf(i), mapValues.get(String
.valueOf(i)));
outputParameters.add(row);
}
// write data in cache
if (outputParameters != null
&& outputParameters.size() != 0) {
// put data in cache
net.sf.ehcache.Element dataToCache = new net.sf.ehcache.Element(
inputParameters.get(0).getValue()
+ inputParameters.get(1).getValue()+inputParameters.get(2).getValue(),
outputParameters);
insertDataIntoCache(dataToCache);
// employeeCache.put(dataToCache);
}
}
}catch (Exception e) {
// e.printStackTrace();
throw new Exception("Failed to load data. " + e);
}
// // create data structure
// ComputationOutput outputData = new ComputationOutput();
// // computation id
// String computationId = startComputation(algorithmId, inputParameters,
// outputData);
//
// // print check on retrieving data
// // logger.info("output data retrieved");
//
// // data output values
// LinkedHashMap<String, String> mapValues = new LinkedHashMap<String, String>();
// // data output keys
// LinkedHashMap<String, String> mapKeys = new LinkedHashMap<String, String>();
//
// mapValues = outputData.getMapValues();
// mapKeys = outputData.getmapKeys();
//
// for (int i = 0; i < mapValues.size(); i++) {
// Result row = new Result(String.valueOf(i), mapValues.get(String
// .valueOf(i)));
// outputParameters.add(row);
// }
return outputParameters;
}
@ -531,37 +597,39 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
LinkedHashMap<String, String> dataInput, boolean SearchTable,
String keyword) throws Exception {
ASLSession session = WsUtil.getAslSession(this.getThreadLocalRequest()
.getSession());
List<Result> result = (List<Result>) session
.getAttribute("TablesResult");
// check on a database
String currentDB = "";
currentDB = dataInput.get("DatabaseName");
String previousDB = (String) session.getAttribute("previousDB");
if (!currentDB.equals(previousDB)) {
// result = null;
result = new ArrayList<Result>();
System.gc();
}
previousDB = currentDB;
session.setAttribute("previousDB", previousDB);
// check on a schema
String currentSchema = "";
currentSchema = dataInput.get("SchemaName");
String previousSchema = (String) session.getAttribute("previousSchema");
if (!currentSchema.equals(previousSchema)) {
// result = null;
result = new ArrayList<Result>();
System.gc();
}
previousSchema = currentSchema;
session.setAttribute("previousSchema", previousSchema);
//tables' list stored for a user session
// ASLSession session = WsUtil.getAslSession(this.getThreadLocalRequest()
// .getSession());
// List<Result> result = (List<Result>) session
// .getAttribute("TablesResult");
// // check on a database
// String currentDB = "";
// currentDB = dataInput.get("DatabaseName");
// String previousDB = (String) session.getAttribute("previousDB");
//
// if (!currentDB.equals(previousDB)) {
// // result = null;
// result = new ArrayList<Result>();
// System.gc();
// }
//
// previousDB = currentDB;
// session.setAttribute("previousDB", previousDB);
//
// // check on a schema
// String currentSchema = "";
// currentSchema = dataInput.get("SchemaName");
// String previousSchema = (String) session.getAttribute("previousSchema");
// if (!currentSchema.equals(previousSchema)) {
// // result = null;
// result = new ArrayList<Result>();
// System.gc();
// }
//
// previousSchema = currentSchema;
// session.setAttribute("previousSchema", previousSchema);
List<Result> result = new ArrayList<>();
// get tables
// if (result == null)
@ -620,7 +688,7 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
loadResult = new BasePagingLoadResult<Result>(sublist,
config.getOffset(), totalNumber);
session.setAttribute("TablesResult", result);
// session.setAttribute("TablesResult", result);
return loadResult;
}
@ -1684,8 +1752,21 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
key = inputData.get("ResourceName");
break;
case "database":
if (element.getDatabaseType().equals(ConstantsPortlet.POSTGRES)){ //refresh schema list
key = inputData.get("ResourceName")
+ inputData.get("DatabaseName");
}
if (element.getDatabaseType().equals(ConstantsPortlet.MYSQL)){ //refresh table list
key = inputData.get("ResourceName")
+ inputData.get("DatabaseName")
+ inputData.get("SchemaName");
}
break;
case "schema":
key = inputData.get("ResourceName")
+ inputData.get("DatabaseName");
+ inputData.get("DatabaseName")
+ inputData.get("SchemaName");
break;
}
}
@ -1713,10 +1794,21 @@ public class GWTdbManagerServiceImpl extends RemoteServiceServlet implements
result = new GeneralOutputFromServlet(output2);
break;
case "database":
resourceName = inputData.get("ResourceName");
databaseName = inputData.get("DatabaseName");
List<FileModel> output3 = getDBSchema(inputData);
result = new GeneralOutputFromServlet(output3);
if (element.getDatabaseType()!=null && (element.getDatabaseType().equals(ConstantsPortlet.POSTGRES))){ //refresh schema list
List<FileModel> output3 = getDBSchema(inputData);
result = new GeneralOutputFromServlet(output3);
}
if (element.getDatabaseType()!=null && element.getDatabaseType().equals(ConstantsPortlet.MYSQL)){ //refresh table list
getTables(inputData);
}
// resourceName = inputData.get("ResourceName");
// databaseName = inputData.get("DatabaseName");
break;
case "schema":
getTables(inputData);
break;
}
}