Missing AttributeMethod class.

jruby · Jun 13, 2014 · 971973e · 971973e
1 parent 1368989
commit 971973e
Showing 1 changed file with 84 additions and 0 deletions.
diff --git a/core/src/main/java/org/jruby/internal/runtime/methods/AttributeMethod.java b/core/src/main/java/org/jruby/internal/runtime/methods/AttributeMethod.java
@@ -0,0 +1,84 @@
+/*
+ **** BEGIN LICENSE BLOCK *****
+ * Version: EPL 1.0/GPL 2.0/LGPL 2.1
+ *
+ * The contents of this file are subject to the Eclipse Public
+ * License Version 1.0 (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.eclipse.org/legal/epl-v10.html
+ *
+ * Software distributed under the License is distributed on an "AS
+ * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
+ * implied. See the License for the specific language governing
+ * rights and limitations under the License.
+ *
+ * Copyright (C) 2011 Charles O Nutter <headius@headius.com>
+ * 
+ * Alternatively, the contents of this file may be used under the terms of
+ * either of the GNU General Public License Version 2 or later (the "GPL"),
+ * or the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
+ * in which case the provisions of the GPL or the LGPL are applicable instead
+ * of those above. If you wish to allow use of your version of this file only
+ * under the terms of either the GPL or the LGPL, and not to allow others to
+ * use your version of this file under the terms of the EPL, indicate your
+ * decision by deleting the provisions above and replace them with the notice
+ * and other provisions required by the GPL or the LGPL. If you do not delete
+ * the provisions above, a recipient may use your version of this file under
+ * the terms of any one of the EPL, the GPL or the LGPL.
+ ***** END LICENSE BLOCK *****/
+package org.jruby.internal.runtime.methods;
+
+import org.jruby.RubyClass;
+import org.jruby.RubyModule;
+import org.jruby.internal.runtime.methods.JavaMethod.JavaMethodZero;
+import org.jruby.runtime.ThreadContext;
+import org.jruby.runtime.Visibility;
+import org.jruby.runtime.builtin.IRubyObject;
+import org.jruby.runtime.ivars.MethodData;
+import org.jruby.runtime.ivars.VariableAccessor;
+
+import java.util.Arrays;
+
+/**
+ * A method type for attribute writers (as created by attr_writer or attr_accessor).
+ */
+public abstract class AttributeMethod extends JavaMethod.JavaMethodZeroOrOneOrTwo {
+    private MethodData methodData;
+    private final String variableName;
+    private VariableAccessor accessor = VariableAccessor.DUMMY_ACCESSOR;
+
+    public AttributeMethod(RubyModule implementationClass, Visibility visibility, CallConfiguration callConfig, String variableName, String name) {
+        super(implementationClass, visibility, callConfig, name);
+        this.variableName = variableName;
+    }
+
+    public String getVariableName() {
+        return variableName;
+    }
+
+    protected VariableAccessor verifyAccessorForRead(RubyClass cls) {
+        VariableAccessor localAccessor = accessor;
+        if (localAccessor.getClassId() != cls.id) {
+            localAccessor = cls.getVariableAccessorForRead(variableName);
+            accessor = localAccessor;
+        }
+        return localAccessor;
+    }
+
+    protected VariableAccessor verifyAccessorForWrite(RubyClass cls) {
+        VariableAccessor localAccessor = accessor;
+        if (localAccessor.getClassId() != cls.id) {
+            localAccessor = cls.getVariableAccessorForWrite(variableName);
+            accessor = localAccessor;
+        }
+        return localAccessor;
+    }
+
+    @Override
+    public MethodData getMethodData() {
+        if (methodData == null){
+            methodData = new MethodData(name, "dummyfile", Arrays.asList(variableName));
+        }
+        return methodData;
+    }
+}