@Override
public void query(GraphRewrite event, GremlinPipeline<Vertex, Vertex> pipeline) {
Predicate regexPredicate =
new Predicate() {
@Override
public boolean evaluate(Object first, Object second) {
return ((String) first).matches((String) second);
}
};
pipeline
.as("result")
.out(FileReferenceModel.FILE_MODEL)
.out(JavaSourceFileModel.JAVA_CLASS_MODEL)
.has(JavaClassModel.QUALIFIED_NAME, regexPredicate, compiledTypeFilterPattern.pattern())
.back("result");
}
private boolean evaluate(
GraphRewrite event, EvaluationContext context, EvaluationStrategy evaluationStrategy) {
try {
ExecutionStatistics.get().begin("JavaClass.evaluate");
final ParameterStore store = DefaultParameterStore.getInstance(context);
final Pattern compiledPattern = referencePattern.getCompiledPattern(store);
/*
* Only set in the case of a query with no "from" variable.
*/
String initialQueryID = null;
QueryBuilderFrom query;
initialQueryID = "iqi." + UUID.randomUUID().toString();
// prepare initialQueryID
if (!StringUtils.isBlank(getInputVariablesName())) {
QueryBuilderFrom fromQuery = Query.from(getInputVariablesName());
QueryBuilderPiped piped =
fromQuery.piped(
new QueryGremlinCriterion() {
@Override
public void query(GraphRewrite event, GremlinPipeline<Vertex, Vertex> pipeline) {
pipeline
.out(FileReferenceModel.FILE_MODEL)
.in(FileReferenceModel.FILE_MODEL)
.has(
JavaTypeReferenceModel.RESOLVED_SOURCE_SNIPPIT,
Text.REGEX,
compiledPattern.toString());
}
});
piped.as(initialQueryID).evaluate(event, context);
} else {
GremlinPipeline<Vertex, Vertex> resolvedTextSearch =
new GremlinPipeline<>(event.getGraphContext().getGraph());
resolvedTextSearch.V();
resolvedTextSearch.has(
JavaTypeReferenceModel.RESOLVED_SOURCE_SNIPPIT, Text.REGEX, titanify(compiledPattern));
if (!resolvedTextSearch.iterator().hasNext()) return false;
Variables.instance(event)
.setVariable(
initialQueryID,
new FramedVertexIterable<>(
event.getGraphContext().getFramed(),
resolvedTextSearch,
JavaTypeReferenceModel.class));
}
query = Query.from(initialQueryID);
if (lineMatchPattern != null) {
final Pattern compiledLineMatchPattern = lineMatchPattern.getCompiledPattern(store);
query.withProperty(
JavaTypeReferenceModel.SOURCE_SNIPPIT,
QueryPropertyComparisonType.REGEX,
compiledLineMatchPattern.pattern());
}
String uuid = UUID.randomUUID().toString();
query.as(uuid);
if (typeFilterPattern != null) {
Pattern compiledTypeFilterPattern = typeFilterPattern.getCompiledPattern(store);
query.piped(new TypeFilterCriterion(compiledTypeFilterPattern));
}
if (!locations.isEmpty())
query.withProperty(JavaTypeReferenceModel.REFERENCE_TYPE, locations);
List<WindupVertexFrame> results = new ArrayList<>();
if (query.evaluate(event, context)) {
Iterable<? extends WindupVertexFrame> frames = Variables.instance(event).findVariable(uuid);
for (WindupVertexFrame frame : frames) {
FileModel fileModel = ((FileReferenceModel) frame).getFile();
Iterable<JavaClassModel> javaClasses = null;
if (fileModel instanceof AbstractJavaSourceModel)
javaClasses = ((AbstractJavaSourceModel) fileModel).getJavaClasses();
else if (fileModel instanceof JavaClassFileModel)
javaClasses = Arrays.asList(((JavaClassFileModel) fileModel).getJavaClass());
for (JavaClassModel javaClassModel : javaClasses) {
if (typeFilterPattern == null
|| typeFilterPattern.parse(javaClassModel.getQualifiedName()).matches()) {
JavaTypeReferenceModel model = (JavaTypeReferenceModel) frame;
ParameterizedPatternResult referenceResult =
referencePattern.parse(model.getResolvedSourceSnippit());
if (referenceResult.matches()) {
evaluationStrategy.modelMatched();
if (referenceResult.submit(event, context)
&& (typeFilterPattern == null
|| typeFilterPattern
.parse(javaClassModel.getQualifiedName())
.submit(event, context))) {
boolean annotationMatched =
matchAnnotationConditions(event, context, evaluationStrategy, model);
if (!annotationMatched) {
evaluationStrategy.modelSubmissionRejected();
} else {
results.add(model);
evaluationStrategy.modelSubmitted(model);
}
} else {
evaluationStrategy.modelSubmissionRejected();
}
}
}
}
}
Variables.instance(event).removeVariable(uuid);
if (initialQueryID != null) Variables.instance(event).removeVariable(initialQueryID);
setResults(event, getVarname(), results);
return !results.isEmpty();
}
return false;
} finally {
ExecutionStatistics.get().end("JavaClass.evaluate");
}
}