/** Create the data-service for select data by given key operation. */
private void addSelectWithKeyOperation(
DataService dataServiceObject,
String schema,
DatabaseMetaData metaData,
String dbName,
String tableName,
String pKey)
throws SQLException, DataServiceFault, NullPointerException {
Map<String, WithParam> paramMap = new HashMap<String, WithParam>();
List<String> paramList = new ArrayList<String>();
ResultSet columnNames = getColumnNames(metaData, schema, dbName, tableName, null);
String colomNames = "";
int i = 0;
while (columnNames.next()) {
String name = columnNames.getString(DBConstants.DataServiceGenerator.COLUMN_NAME);
// get the colomn names for the query
if (i == 0) {
colomNames = " " + name;
} else {
colomNames = colomNames + ", " + name;
}
i++;
if (pKey.equals(name)) {
WithParam withParam =
new WithParam(pKey, pKey, pKey, DBConstants.DataServiceGenerator.QUERY_PARAM);
paramMap.put(pKey, withParam);
paramList.add(pKey);
}
}
Set<String> requiredRoles = new HashSet<String>();
String queryId =
DBConstants.DataServiceGenerator.SELECT_WITH_KEY
+ tableName
+ DBConstants.DataServiceGenerator._QUERY;
String OpName =
DBConstants.DataServiceGenerator.SELECT_WITH_KEY
+ tableName
+ DBConstants.DataServiceGenerator._OPERATION;
CallQuery callQuery = new CallQuery(dataServiceObject, queryId, paramMap, requiredRoles);
List<CallQuery> callQueries = new ArrayList<CallQuery>();
callQueries.add(callQuery);
CallQueryGroup callQueryGroup = new CallQueryGroup(callQueries);
// batchRequest=false
// parentOperation=null
Operation operation =
new Operation(dataServiceObject, OpName, null, callQueryGroup, false, null, false, false);
dataServiceObject.addOperation(operation);
dataServiceObject.addQuery(
this.getSelectWithKeyQuery(
paramList,
pKey,
queryId,
tableName,
dataServiceObject,
metaData,
dbName,
schema,
colomNames));
}
/** Select all operation. */
private void addSelectAllOperation(
DataService dataServiceObject,
String schema,
DatabaseMetaData metaData,
String dbName,
String tableName,
String pKey)
throws SQLException, DataServiceFault, NullPointerException {
Map<String, WithParam> paramMap = new HashMap<String, WithParam>();
List<String> paramList = new ArrayList<String>();
/* get the primary key */
// ResultSet resultSet = this.metaObject.getColumns(this.dbName, null,
// this.tableName, null);
ResultSet columnNames = getColumnNames(metaData, schema, dbName, tableName, null);
String colomNames = "";
int i = 0;
while (columnNames.next()) {
String name = columnNames.getString(DBConstants.DataServiceGenerator.COLUMN_NAME);
if (i == 0) {
colomNames = " " + name;
} else {
colomNames = colomNames + ", " + name;
}
i++;
}
paramMap.clear();
Set<String> requiredRoles = new HashSet<String>(); // empty set
String queryId =
new StringBuilder()
.append(DBConstants.DataServiceGenerator.SELECT_ALL)
.append(tableName)
.append(DBConstants.DataServiceGenerator._QUERY)
.toString();
String OpName =
new StringBuilder()
.append(DBConstants.DataServiceGenerator.SELECT_ALL)
.append(tableName)
.append(DBConstants.DataServiceGenerator._OPERATION)
.toString();
CallQuery callQuery = new CallQuery(dataServiceObject, queryId, paramMap, requiredRoles);
List<CallQuery> callQueries = new ArrayList<CallQuery>();
callQueries.add(callQuery);
CallQueryGroup callQueryGroup = new CallQueryGroup(callQueries);
// batchRequest=false
// parentOperation=null
Operation operation =
new Operation(dataServiceObject, OpName, null, callQueryGroup, false, null, false, false);
dataServiceObject.addOperation(operation);
dataServiceObject.addQuery(
this.getSelectAllQuery(
paramList,
queryId,
tableName,
dataServiceObject,
metaData,
dbName,
schema,
colomNames));
}
private void makeServices(
String dbName,
String[] tableNames,
DatabaseMetaData metaData,
List<DataService> dataServiceList,
String schema,
String datasourceId,
String serviceNamespace)
throws SQLException, DataServiceFault {
for (String tableName : tableNames) {
String serviceName = tableName + DBConstants.DataServiceGenerator.SERVICE_NAME_SUFFIX;
DataService dataService =
new DataService(
serviceName,
DBConstants.DataServiceGenerator.MUTLIPLE_SERVICE_DESCRIPTION,
null,
null,
DBConstants.DataServiceGenerator.ACTIVE,
false,
false,
false,
null);
if (DBUtils.isEmptyString(serviceNamespace)) {
dataService.setServiceNamespace(DBConstants.WSO2_DS_NAMESPACE);
} else {
dataService.setServiceNamespace(serviceNamespace);
}
this.setConfig(dataService, datasourceId);
String tablePrimaryKey = this.getPrimaryKey(metaData, dbName, schema, tableName);
this.addOperations(dataService, schema, metaData, dbName, tableName, tablePrimaryKey);
dataServiceList.add(dataService);
}
}
/** Update Operation. */
private void addUpdateOperation(
DataService dataServiceObject,
String schema,
DatabaseMetaData metaData,
String dbName,
String tableName,
String pKey)
throws SQLException, DataServiceFault {
Map<String, WithParam> paramMap = new HashMap<String, WithParam>();
List<String> paramList = new ArrayList<String>();
ResultSet columnNames = getColumnNames(metaData, schema, dbName, tableName, null);
while (columnNames.next()) {
String name = columnNames.getString(DBConstants.DataServiceGenerator.COLUMN_NAME);
if (!name.equals(pKey)) {
WithParam withParam1 =
new WithParam(name, name, name, DBConstants.DataServiceGenerator.QUERY_PARAM);
paramMap.put(name, withParam1);
paramList.add(name); // add to this @param into @param List
}
}
WithParam withParam2 =
new WithParam(pKey, pKey, pKey, DBConstants.DataServiceGenerator.QUERY_PARAM);
paramMap.put(pKey, withParam2);
paramList.add(pKey);
Set<String> requiredRoles = new HashSet<String>(); // empty set
String queryId =
DBConstants.DataServiceGenerator.UPDATE_
+ tableName
+ DBConstants.DataServiceGenerator._QUERY;
String OpName =
DBConstants.DataServiceGenerator.UPDATE_
+ tableName
+ DBConstants.DataServiceGenerator._OPERATION;
CallQuery callQuery = new CallQuery(dataServiceObject, queryId, paramMap, requiredRoles);
List<CallQuery> callQueries = new ArrayList<CallQuery>();
callQueries.add(callQuery);
CallQueryGroup callQueryGroup = new CallQueryGroup(callQueries);
// batchRequest=false
// parentOperation=null
Operation operation =
new Operation(dataServiceObject, OpName, null, callQueryGroup, false, null, false, false);
dataServiceObject.addOperation(operation);
dataServiceObject.addQuery(
this.getUpdateQuery(
paramList, pKey, queryId, tableName, dataServiceObject, metaData, dbName, schema));
}
/** Insert Operation. */
private void addInsertOperation(
DataService dataServiceObject,
String schema,
DatabaseMetaData metaData,
String dbName,
String tableName)
throws DataServiceFault, SQLException {
/* do insertion operation */
Map<String, WithParam> paramMap = new HashMap<String, WithParam>();
List<String> paramList = new ArrayList<String>();
ResultSet columnNames = getColumnNames(metaData, schema, dbName, tableName, null);
while (columnNames.next()) {
if (this.isAutoIncrementField(columnNames)) {
continue;
}
String name = columnNames.getString(DBConstants.DataServiceGenerator.COLUMN_NAME);
WithParam withParam =
new WithParam(name, name, name, DBConstants.DataServiceGenerator.QUERY_PARAM);
paramMap.put(name, withParam);
paramList.add(name);
}
Set<String> requiredRoles = new HashSet<String>();
String queryId =
DBConstants.DataServiceGenerator.INSERT_
+ tableName
+ DBConstants.DataServiceGenerator._QUERY;
String OpName =
DBConstants.DataServiceGenerator.INSERT_
+ tableName
+ DBConstants.DataServiceGenerator._OPERATION;
CallQuery callQuery = new CallQuery(dataServiceObject, queryId, paramMap, requiredRoles);
List<CallQuery> callQueries = new ArrayList<CallQuery>();
callQueries.add(callQuery);
CallQueryGroup callQueryGroup = new CallQueryGroup(callQueries);
// batchRequest=false
// parentOperation=null
Operation op =
new Operation(dataServiceObject, OpName, null, callQueryGroup, false, null, false, false);
dataServiceObject.addOperation(op);
dataServiceObject.addQuery(
this.getInsertQuery(
paramList, queryId, tableName, dataServiceObject, metaData, dbName, schema));
}
private void setConfig(DataService dataServiceObject, String carbonSourceId)
throws DataServiceFault {
Map<String, String> properties = new HashMap<String, String>();
properties.put(DBConstants.CarbonDatasource.NAME, carbonSourceId);
Config config =
new SQLCarbonDataSourceConfig(
dataServiceObject, DBConstants.DataServiceGenerator.CONFIG_ID, properties);
dataServiceObject.addConfig(config);
}
private DataService generateService(
String datasourceId,
String dbName,
String[] schemas,
String[] tableNames,
DatabaseMetaData metaData,
String serviceNamespace,
String serviceName)
throws DataServiceFault, SQLException {
// String serviceName = dbName + DBConstants.DataServiceGenerator.SERVICE_NAME_SUFFIX;
DataService dataService =
new DataService(
serviceName,
DBConstants.DataServiceGenerator.SINGLE_SERVICE_DESCRIPTION,
null,
null,
DBConstants.DataServiceGenerator.ACTIVE,
false,
false,
false,
null);
this.setConfig(dataService, datasourceId);
if (DBUtils.isEmptyString(serviceNamespace)) {
dataService.setServiceNamespace(DBConstants.WSO2_DS_NAMESPACE);
} else {
dataService.setServiceNamespace(serviceNamespace);
}
if (schemas.length != 0) {
for (String schema : schemas) {
makeService(dbName, tableNames, metaData, dataService, schema);
}
} else {
String schema = null;
makeService(dbName, tableNames, metaData, dataService, schema);
}
return dataService;
}