Difference between revisions of "API v1.0"
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for( int i=0; i<3; i++ ) { | for( int i=0; i<3; i++ ) { | ||
String text = "Value nr " + i " = " + resultSet.getRecordValue( i, "MYVALUE" ); | String text = "Value nr " + i " = " + '''resultSet.getRecordValue( i, "MYVALUE" );''' | ||
System.out.println( text ); | System.out.println( text ); | ||
} | } | ||
Revision as of 20:14, 15 April 2015
Sessions and security
For interacting with Tempus Serva you need a session
Session session = SessionFactory.getSession(this);
All sessions need to be terminated after use (releasing DB connections etc.)
session.close();
Constructing queryies
First of create a query object
SolutionQuery myQuery = session.getSolutionQuery( "mynewsolution" );
A query is built much like an SQL query by appending different fields to be SELECT'ed
myQuery.addSelectField("MYNUMBER");
Additionally WHERE components are added
myQuery.addWhereCriterion("StatusID", "In progress");
Note that lookup values etc. will be translated silently.
Finally execute the query and return the results
SolutionQueryResultSet records = myQuery.executeQuery();
Retrieve data
Data are extracted from the query resultset using a relative reference to the record number
for( int i=0; i<3; i++ ) {
String text = "Value nr " + i " = " + resultSet.getRecordValue( i, "MYVALUE" );
System.out.println( text );
}
Change / create data
AWAITING REVIEW
Code example
The following example shows how data is retrieved from af collection of templates and used to create a collection of records (with values copied from the template).
int parentTemplateDataID = Parser.getInteger( c.fields.getElementByFieldName(thisKeyToParentTemplate).FieldValue );
Session session = SessionFactory.getSession(this);
try {
//Get data
SolutionQuery opsaetning = session.getSolutionQuery(templateSolutionName);
for(int i=0; i<fieldsTemplate.size(); i++ )
opsaetning.addSelectField(fieldsTemplate.get(i));
opsaetning.addWhereCriterion(templateKeyToParentTemplate, parentTemplateDataID);
SolutionQueryResultSet recordsToCopy = opsaetning.executeQuery();
int recordCount = recordsToCopy.size();
for( int i=0; i<recordCount; i++ ) {
SolutionRecordNew instance = session.getSolutionRecordNew(instanceSolutionName);
for(int fi=0; fi<fieldsTemplate.size(); fi++ ) {
String value = recordsToCopy.getRecordValue( i, fieldsTemplate.get(fi));
instance.setValue( fieldsInstance.get(fi), value );
}
instance.setValueInteger( instanceKeyToParent, c.DataID );
if( ! Parser.isEmpty(instanceKeyToTemplate) )
instance.setValueInteger( instanceKeyToTemplate, recordsToCopy.getReference(i) );
instance.persistChanges();
}
}
catch(Exception e) {
e.printStackTrace();
}
finally {
session.close();
}