1 files changed, 64 insertions, 0 deletions
diff --git a/javaparser-symbol-solver-logic/src/main/java/com/github/javaparser/symbolsolver/logic/AbstractTypeDeclaration.java b/javaparser-symbol-solver-logic/src/main/java/com/github/javaparser/symbolsolver/logic/AbstractTypeDeclaration.java
new file mode 100644
index 000000000..b08ff1e67
--- /dev/null
+++ b/javaparser-symbol-solver-logic/src/main/java/com/github/javaparser/symbolsolver/logic/AbstractTypeDeclaration.java
@@ -0,0 +1,64 @@
+/*
+ * Copyright 2016 Federico Tomassetti
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package com.github.javaparser.symbolsolver.logic;
+
+import com.github.javaparser.resolution.MethodUsage;
+import com.github.javaparser.resolution.declarations.ResolvedMethodDeclaration;
+import com.github.javaparser.resolution.declarations.ResolvedReferenceTypeDeclaration;
+import com.github.javaparser.resolution.types.ResolvedReferenceType;
+
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+/**
+ * Common ancestor for most types.
+ *
+ * @author Federico Tomassetti
+ */
+public abstract class AbstractTypeDeclaration implements ResolvedReferenceTypeDeclaration {
+
+    @Override
+    public final Set<MethodUsage> getAllMethods() {
+        Set<MethodUsage> methods = new HashSet<>();
+
+        Set<String> methodsSignatures = new HashSet<>();
+
+        for (ResolvedMethodDeclaration methodDeclaration : getDeclaredMethods()) {
+            methods.add(new MethodUsage(methodDeclaration));
+            methodsSignatures.add(methodDeclaration.getSignature());
+        }
+
+        for (ResolvedReferenceType ancestor : getAllAncestors()) {
+            for (MethodUsage mu : ancestor.getDeclaredMethods()) {
+                String signature = mu.getDeclaration().getSignature();
+                if (!methodsSignatures.contains(signature)) {
+                    methodsSignatures.add(signature);
+                    methods.add(mu);
+                }
+            }
+        }
+
+        return methods;
+    }
+
+    @Override
+    public final boolean isFunctionalInterface() {
+        return FunctionalInterfaceLogic.getFunctionalMethod(this).isPresent();
+    }
+
+}