Generate visitors for equals and hashcode based on object identity

3 files changed, 64 insertions, 0 deletions

diff --git a/javaparser-core-generators/src/main/java/com/github/javaparser/generator/core/CoreGenerator.java b/javaparser-core-generators/src/main/java/com/github/javaparser/generator/core/CoreGenerator.java
index ba48684a3..f0fd3fdf2 100644
--- a/javaparser-core-generators/src/main/java/com/github/javaparser/generator/core/CoreGenerator.java
+++ b/javaparser-core-generators/src/main/java/com/github/javaparser/generator/core/CoreGenerator.java
@@ -30,10 +30,12 @@ public class CoreGenerator {
         new GenericListVisitorAdapterGenerator(sourceRoot).generate();
         new GenericVisitorAdapterGenerator(sourceRoot).generate();
         new EqualsVisitorGenerator(sourceRoot).generate();
+        new ObjectIdentityEqualsVisitorGenerator(sourceRoot).generate();
         new VoidVisitorAdapterGenerator(sourceRoot).generate();
         new VoidVisitorGenerator(sourceRoot).generate();
         new GenericVisitorGenerator(sourceRoot).generate();
         new HashCodeVisitorGenerator(sourceRoot).generate();
+        new ObjectIdentityHashCodeVisitorGenerator(sourceRoot).generate();
         new CloneVisitorGenerator(sourceRoot).generate();
         new ModifierVisitorGenerator(sourceRoot).generate();
 
diff --git a/javaparser-core-generators/src/main/java/com/github/javaparser/generator/core/visitor/ObjectIdentityEqualsVisitorGenerator.java b/javaparser-core-generators/src/main/java/com/github/javaparser/generator/core/visitor/ObjectIdentityEqualsVisitorGenerator.java
new file mode 100644
index 000000000..3c182fc68
--- /dev/null
+++ b/javaparser-core-generators/src/main/java/com/github/javaparser/generator/core/visitor/ObjectIdentityEqualsVisitorGenerator.java
@@ -0,0 +1,30 @@
+package com.github.javaparser.generator.core.visitor;
+
+import com.github.javaparser.ast.CompilationUnit;
+import com.github.javaparser.ast.body.MethodDeclaration;
+import com.github.javaparser.ast.stmt.BlockStmt;
+import com.github.javaparser.generator.VisitorGenerator;
+import com.github.javaparser.metamodel.BaseNodeMetaModel;
+import com.github.javaparser.metamodel.PropertyMetaModel;
+import com.github.javaparser.utils.SourceRoot;
+
+import static com.github.javaparser.utils.CodeGenerationUtils.f;
+
+/**
+ * Generates JavaParser's ObjectIdentityEqualsVisitor.
+ */
+public class ObjectIdentityEqualsVisitorGenerator extends VisitorGenerator {
+    public ObjectIdentityEqualsVisitorGenerator(SourceRoot sourceRoot) {
+        super(sourceRoot, "com.github.javaparser.ast.visitor", "ObjectIdentityEqualsVisitor", "Boolean", "Visitable", true);
+    }
+
+    @Override
+    protected void generateVisitMethodBody(BaseNodeMetaModel node, MethodDeclaration visitMethod, CompilationUnit compilationUnit) {
+        visitMethod.getParameters().forEach(p -> p.setFinal(true));
+
+        BlockStmt body = visitMethod.getBody().get();
+        body.getStatements().clear();
+
+        body.addStatement("return n == arg;");
+    }
+}
diff --git a/javaparser-core-generators/src/main/java/com/github/javaparser/generator/core/visitor/ObjectIdentityHashCodeVisitorGenerator.java b/javaparser-core-generators/src/main/java/com/github/javaparser/generator/core/visitor/ObjectIdentityHashCodeVisitorGenerator.java
new file mode 100644
index 000000000..88eb3e739
--- /dev/null
+++ b/javaparser-core-generators/src/main/java/com/github/javaparser/generator/core/visitor/ObjectIdentityHashCodeVisitorGenerator.java
@@ -0,0 +1,32 @@
+package com.github.javaparser.generator.core.visitor;
+
+import com.github.javaparser.ast.CompilationUnit;
+import com.github.javaparser.ast.body.MethodDeclaration;
+import com.github.javaparser.ast.stmt.BlockStmt;
+import com.github.javaparser.generator.VisitorGenerator;
+import com.github.javaparser.metamodel.BaseNodeMetaModel;
+import com.github.javaparser.metamodel.PropertyMetaModel;
+import com.github.javaparser.utils.SeparatedItemStringBuilder;
+import com.github.javaparser.utils.SourceRoot;
+
+import java.util.List;
+
+import static com.github.javaparser.JavaParser.parseStatement;
+
+/**
+ * Generates JavaParser's ObjectIdentityHashCodeVisitor.
+ */
+public class ObjectIdentityHashCodeVisitorGenerator extends VisitorGenerator {
+    public ObjectIdentityHashCodeVisitorGenerator(SourceRoot sourceRoot) {
+        super(sourceRoot, "com.github.javaparser.ast.visitor", "ObjectIdentityHashCodeVisitor", "Integer", "Void", true);
+    }
+
+    @Override
+    protected void generateVisitMethodBody(BaseNodeMetaModel node, MethodDeclaration visitMethod, CompilationUnit compilationUnit) {
+        visitMethod.getParameters().forEach(p -> p.setFinal(true));
+
+        final BlockStmt body = visitMethod.getBody().get();
+        body.getStatements().clear();
+        body.addStatement("return n.hashCode();");
+    }
+}