Author: mbenson
Date: Wed May 14 07:45:52 2008
New Revision: 656296
URL: http://svn.apache.org/viewvc?rev=656296&view=rev
Log:
add functor implementations of Algorithms algorithms
Added:
commons/sandbox/functor/branches/mjbRadicalExperimentation/src/main/java/org/apache/commons/functor/generator/TransformedGenerator.java
(with props)
Added:
commons/sandbox/functor/branches/mjbRadicalExperimentation/src/main/java/org/apache/commons/functor/generator/TransformedGenerator.java
URL:
http://svn.apache.org/viewvc/commons/sandbox/functor/branches/mjbRadicalExperimentation/src/main/java/org/apache/commons/functor/generator/TransformedGenerator.java?rev=656296&view=auto
==============================================================================
---
commons/sandbox/functor/branches/mjbRadicalExperimentation/src/main/java/org/apache/commons/functor/generator/TransformedGenerator.java
(added)
+++
commons/sandbox/functor/branches/mjbRadicalExperimentation/src/main/java/org/apache/commons/functor/generator/TransformedGenerator.java
Wed May 14 07:45:52 2008
@@ -0,0 +1,82 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements. See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You 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 org.apache.commons.functor.generator;
+
+import org.apache.commons.functor.UnaryFunction;
+import org.apache.commons.functor.UnaryProcedure;
+
+/**
+ * Generator that transforms the elements of another Generator.
+ *
+ * @version $Revision$ $Date$
+ */
+public class TransformedGenerator extends BaseGenerator {
+ private UnaryFunction func;
+
+ /**
+ * Create a new TransformedGenerator.
+ * @param wrapped Generator to transform
+ * @param func UnaryFunction to apply to each element
+ */
+ public TransformedGenerator(Generator wrapped, UnaryFunction func) {
+ super(wrapped);
+ if (wrapped == null) {
+ throw new IllegalArgumentException("Generator argument was null");
+ }
+ if (func == null) {
+ throw new IllegalArgumentException("UnaryFunction argument was
null");
+ }
+ this.func = func;
+ }
+
+ /**
+ * [EMAIL PROTECTED]
+ */
+ public void run(final UnaryProcedure proc) {
+ getWrappedGenerator().run(new UnaryProcedure() {
+ public void run(Object obj) {
+ proc.run(func.evaluate(obj));
+ }
+ });
+ }
+
+ /**
+ * [EMAIL PROTECTED]
+ */
+ public boolean equals(Object obj) {
+ if (obj == this) {
+ return true;
+ }
+ if (obj instanceof TransformedGenerator == false) {
+ return false;
+ }
+ TransformedGenerator other = (TransformedGenerator) obj;
+ return other.getWrappedGenerator().equals(getWrappedGenerator()) &&
other.func == func;
+ }
+
+ /**
+ * [EMAIL PROTECTED]
+ */
+ public int hashCode() {
+ int result = "TransformedGenerator".hashCode();
+ result <<= 2;
+ result ^= getWrappedGenerator().hashCode();
+ result <<= 2;
+ result ^= func.hashCode();
+ return result;
+ }
+}
Propchange:
commons/sandbox/functor/branches/mjbRadicalExperimentation/src/main/java/org/apache/commons/functor/generator/TransformedGenerator.java
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