/**
* @param subElems
* @throws DataException
*/
private void populateDeprecatedAggregations(IConfigurationElement[] subElems)
throws DataException {
if (subElems == null) return;
for (int j = 0; j < subElems.length; j++) {
try {
IAggregation aggrFunc =
(IAggregation) subElems[j].createExecutableExtension(ATTRIBUTE_AGGREGATION_CLASS);
String name = aggrFunc.getName().toUpperCase();
AggrFunctionWrapper aggrWrapper = new AggrFunctionWrapper(aggrFunc);
populateExtendedAggrInfo(name, aggrFunc, subElems[j], aggrWrapper);
if (aggrMap.put(name, aggrWrapper) != null)
throw new DataException(ResourceConstants.DUPLICATE_AGGREGATION_NAME, name);
allAggrNames.add(name);
} catch (Exception e) {
logger.logp(
Level.WARNING,
AggrFunctionWrapper.class.getName(),
"populateDeprecatedAggregations",
"Exception in aggregation extension loading.",
e);
}
}
}
/**
* populate the extended extensions information.
*
* @param name
* @param aggrFunc
* @param elem
* @param aggrWrapper
*/
private void populateExtendedAggrInfo(
String name,
IAggregation aggrFunc,
IConfigurationElement elem,
AggrFunctionWrapper aggrWrapper)
throws DataException {
IConfigurationElement[] uiInfo = elem.getChildren(ELEMENT_UIINFO);
assert (uiInfo != null && uiInfo.length == 1);
String paramInfo = uiInfo[0].getAttribute(ATTRIBUTE_PARAMETER_META_INFO);
String textInfo = uiInfo[0].getAttribute(ATTRIBUTE_TEXT_DATA);
aggrWrapper.setDisplayName(textInfo);
// populate parameters to the aggrWrapper
List paramList = new ArrayList();
String[] paramInfos = paramInfo.split(","); // $NON-NLS-1$
boolean[] paramFlags = aggrFunc.getParameterDefn();
if (paramInfos != null && paramInfos.length > 0 && paramFlags != null) {
if (paramInfos.length != paramFlags.length)
throw new DataException(ResourceConstants.INCONSISTENT_AGGREGATION_ARGUMENT_DEFINITION);
// populateDataFiledParameterDefn( paramList );
for (int k = 0; k < paramInfos.length; k++) {
final String s = paramInfos[k].trim();
int index = s.indexOf(' ');
String paramName = null;
if (index > 0) {
paramName = s.substring(index + 1).trim();
} else {
paramName = paramInfos[k];
}
ParameterDefn paramDefn = new ParameterDefn(paramName, paramName, !paramFlags[k], true);
paramList.add(paramDefn);
}
}
IParameterDefn[] params = new IParameterDefn[paramList.size()];
paramList.toArray(params);
aggrWrapper.setParameterDefn(params);
}
/*
* (non-Javadoc)
*
* @see org.eclipse.birt.data.engine.api.aggregation.IAggrFunction#newAccumulator()
*/
public Accumulator newAccumulator() {
return aggrFunc.newAccumulator();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.birt.data.engine.api.aggregation.IAggrFunction#getType()
*/
public int getType() {
return aggrFunc.getType();
}
/*
* (non-Javadoc)
*
* @see org.eclipse.birt.data.engine.api.aggregation.IAggrFunction#getName()
*/
public String getName() {
return aggrFunc.getName();
}
