/**
* Find parent entry.
*
* @param entries the entries
* @param key the key
* @return the step injection meta entry
*/
protected StepInjectionMetaEntry findParentEntry(
List<StepInjectionMetaEntry> entries, String key) {
for (StepInjectionMetaEntry look : entries) {
if (look.getKey().equals(key)) return look;
StepInjectionMetaEntry check = findParentEntry(look.getDetails(), key);
if (check != null) return check;
}
return null;
}
/** Describe the metadata attributes that can be injected into this step metadata object. */
public List<StepInjectionMetaEntry> getStepInjectionMetadataEntries(Class<?> PKG) {
List<StepInjectionMetaEntry> entries = new ArrayList<StepInjectionMetaEntry>();
for (KettleAttributeInterface attr : attributes) {
if (attr.getParent() == null) {
entries.add(createEntry(attr, PKG));
} else {
StepInjectionMetaEntry entry = createEntry(attr, PKG);
StepInjectionMetaEntry parentEntry = findParentEntry(entries, attr.getParent().getKey());
if (parentEntry == null) {
throw new RuntimeException(
"An error was detected in the step attributes' definition: the parent was not found for attribute "
+ attr);
}
parentEntry.getDetails().add(entry);
}
}
return entries;
}
