/**
* Checks if the specified {@link Operation} has been modified.
*
* @param operation - the {@link Operation} to check.
* @return <code>true</code> if has been modified, <code>false</code> otherwise.
* @throws OHException if an error occurs during the check.
*/
public boolean hasOperationModified(Operation operation) throws OHException {
DbQueryLogger dbQuery = new DbQueryLogger();
boolean result = false;
// we establish if someone else has updated/deleted the record since the last read
String query = "SELECT OPE_LOCK FROM OPERATION WHERE OPE_ID_A = ?";
List<Object> parameters = Collections.<Object>singletonList(operation.getCode());
try {
// we use manual commit of the transaction
ResultSet resultSet = dbQuery.getDataWithParams(query, parameters, true);
if (resultSet.first()) {
// ok the record is present, it was not deleted
result = resultSet.getInt("OPE_LOCK") != operation.getLock();
} else {
throw new OHException(
MessageBundle.getMessage("angal.sql.couldntfindthedataithasprobablybeendeleted"));
}
} catch (SQLException e) {
throw new OHException(
MessageBundle.getMessage("angal.sql.problemsoccurredwiththesqlistruction"), e);
} finally {
dbQuery.releaseConnection();
}
return result;
}
/**
* checks if an {@link Operation} code has already been used
*
* @param code - the code
* @return <code>true</code> if the code is already in use, <code>false</code> otherwise.
* @throws OHException
*/
public boolean isCodePresent(String code) throws OHException {
DbQueryLogger dbQuery = new DbQueryLogger();
boolean present = false;
try {
String sqlstring = "SELECT OPE_ID_A FROM OPERATION WHERE OPE_ID_A = ? ";
List<Object> parameters = Collections.<Object>singletonList(code);
ResultSet set = dbQuery.getDataWithParams(sqlstring, parameters, true);
if (set.first()) present = true;
} catch (SQLException e) {
throw new OHException(
MessageBundle.getMessage("angal.sql.problemsoccurredwiththesqlistruction"), e);
} finally {
dbQuery.releaseConnection();
}
return present;
}
/**
* checks if an {@link Operation} description has already been used within the specified {@link
* OperationType}
*
* @param description - the {@link Operation} description
* @param typeCode - the {@link OperationType} code
* @return <code>true</code> if the description is already in use, <code>false</code> otherwise.
* @throws OHException
*/
public boolean isDescriptionPresent(String description, String typeCode) throws OHException {
DbQueryLogger dbQuery = new DbQueryLogger();
boolean present = false;
try {
String sqlstring = "SELECT OPE_DESC FROM OPERATION WHERE OPE_DESC = ? AND OPE_OCL_ID_A = ?";
List<Object> parameters = new ArrayList<Object>();
parameters.add(description);
parameters.add(typeCode);
ResultSet set = dbQuery.getDataWithParams(sqlstring, parameters, true);
if (set.first()) present = true;
} catch (SQLException e) {
throw new OHException(
MessageBundle.getMessage("angal.sql.problemsoccurredwiththesqlistruction"), e);
} finally {
dbQuery.releaseConnection();
}
return present;
}
/**
* return the {@link Operation}s whose type matches specified string
*
* @param typeDescription - a type description
* @return the list of {@link Operation}s. It could be <code>empty</code> or <code>null</code>.
* @throws OHException
*/
public ArrayList<Operation> getOperation(String typeDescription) throws OHException {
DbQueryLogger dbQuery = new DbQueryLogger();
ArrayList<Operation> operationList = null;
ResultSet resultSet;
if (typeDescription == null) {
String sqlString =
"SELECT * FROM OPERATION JOIN OPERATIONTYPE ON OPE_OCL_ID_A = OCL_ID_A ORDER BY OPE_DESC";
resultSet = dbQuery.getData(sqlString, true);
} else {
String sqlString =
"SELECT * FROM OPERATION JOIN OPERATIONTYPE ON OPE_OCL_ID_A = OCL_ID_A WHERE OCL_DESC LIKE CONCAT('%', ? , '%') ORDER BY OPE_DESC";
List<Object> parameters = Collections.<Object>singletonList(typeDescription);
resultSet = dbQuery.getDataWithParams(sqlString, parameters, true);
}
try {
operationList = new ArrayList<Operation>(resultSet.getFetchSize());
while (resultSet.next()) {
Operation operation =
new Operation(
resultSet.getString("OPE_ID_A"),
resultSet.getString("OPE_DESC"),
new OperationType(
resultSet.getString("OPE_OCL_ID_A"), resultSet.getString("OCL_DESC")),
resultSet.getInt("OPE_STAT"),
resultSet.getInt("OPE_LOCK"));
operationList.add(operation);
}
} catch (SQLException e) {
throw new OHException(
MessageBundle.getMessage("angal.sql.problemsoccurredwiththesqlistruction"), e);
} finally {
dbQuery.releaseConnection();
}
return operationList;
}