private PrologEnvironment getPrologEnvironment(CurrentUser user) throws RuleEvalException {
ProjectState projectState = control.getProjectControl().getProjectState();
PrologEnvironment env;
try {
if (rule == null) {
env = projectState.newPrologEnvironment();
} else {
env = projectState.newPrologEnvironment("stdin", new StringReader(rule));
}
} catch (CompileException err) {
String msg;
if (rule == null && control.getProjectControl().isOwner()) {
msg = String.format("Cannot load rules.pl for %s: %s", getProjectName(), err.getMessage());
} else if (rule != null) {
msg = err.getMessage();
} else {
msg = String.format("Cannot load rules.pl for %s", getProjectName());
}
throw new RuleEvalException(msg, err);
}
env.set(StoredValues.REVIEW_DB, cd.db());
env.set(StoredValues.CHANGE_DATA, cd);
env.set(StoredValues.CHANGE_CONTROL, control);
if (user != null) {
env.set(StoredValues.CURRENT_USER, user);
}
return env;
}
private List<SubmitRecord> cannotSubmitDraft() {
try {
if (!control.isDraftVisible(cd.db(), cd)) {
return createRuleError("Patch set " + patchSet.getId() + " not found");
}
initPatchSet();
if (patchSet.isDraft()) {
return createRuleError("Cannot submit draft patch sets");
} else {
return createRuleError("Cannot submit draft changes");
}
} catch (OrmException err) {
String msg = "Cannot check visibility of patch set " + patchSet.getId();
log.error(msg, err);
return createRuleError(msg);
}
}
/**
* Evaluate the submit type rules to get the submit type.
*
* @return record from the evaluated rules.
*/
public SubmitTypeRecord getSubmitType() {
try {
initPatchSet();
} catch (OrmException e) {
return typeError("Error looking up patch set " + control.getChange().currentPatchSetId());
}
try {
if (control.getChange().getStatus() == Change.Status.DRAFT
&& !control.isDraftVisible(cd.db(), cd)) {
return SubmitTypeRecord.error("Patch set " + patchSet.getId() + " not found");
}
if (patchSet.isDraft() && !control.isDraftVisible(cd.db(), cd)) {
return SubmitTypeRecord.error("Patch set " + patchSet.getId() + " not found");
}
} catch (OrmException err) {
String msg = "Cannot read patch set " + patchSet.getId();
log.error(msg, err);
return SubmitTypeRecord.error(msg);
}
List<Term> results;
try {
results =
evaluateImpl(
"locate_submit_type",
"get_submit_type",
"locate_submit_type_filter",
"filter_submit_type_results",
// Do not include current user in submit type evaluation. This is used
// for mergeability checks, which are stored persistently and so must
// have a consistent view of the submit type.
null);
} catch (RuleEvalException e) {
return typeError(e.getMessage(), e);
}
if (results.isEmpty()) {
// Should never occur for a well written rule
return typeError(
"Submit rule '"
+ getSubmitRuleName()
+ "' for change "
+ cd.getId()
+ " of "
+ getProjectName()
+ " has no solution.");
}
Term typeTerm = results.get(0);
if (!(typeTerm instanceof SymbolTerm)) {
return typeError(
"Submit rule '"
+ getSubmitRuleName()
+ "' for change "
+ cd.getId()
+ " of "
+ getProjectName()
+ " did not return a symbol.");
}
String typeName = ((SymbolTerm) typeTerm).name();
try {
return SubmitTypeRecord.OK(SubmitType.valueOf(typeName.toUpperCase()));
} catch (IllegalArgumentException e) {
return typeError(
"Submit type rule "
+ getSubmitRule()
+ " for change "
+ cd.getId()
+ " of "
+ getProjectName()
+ " output invalid result: "
+ typeName);
}
}