added new hardware id predicate

compute/src/main/java/org/jclouds/compute/predicates/HardwarePredicates.java

@@ -0,0 +1,51 @@
+/**
+ * Licensed to jclouds, Inc. (jclouds) under one or more
+ * contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  jclouds 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.jclouds.compute.predicates;
+
+import static com.google.common.base.Preconditions.checkNotNull;
+
+import org.jclouds.compute.domain.Hardware;
+
+import com.google.common.base.Predicate;
+
+/**
+ * Container for hardware filters (predicates).
+ * 
+ * This class has static methods that create customized predicates to use with
+ * {@link org.jclouds.compute.ComputeService}.
+ * 
+ * @author Adrian Cole
+ */
+public class HardwarePredicates {
+
+   public static Predicate<Hardware> idEquals(final String id) {
+      checkNotNull(id, "id must be defined");
+      return new Predicate<Hardware>() {
+         @Override
+         public boolean apply(Hardware hardware) {
+            return id.equals(hardware.getId());
+         }
+
+         @Override
+         public String toString() {
+            return "idEquals(" + id + ")";
+         }
+      };
+   }
+}

compute/src/test/java/org/jclouds/compute/predicates/HardwarePredicatesTest.java

@@ -0,0 +1,44 @@
+/**
+ * Licensed to jclouds, Inc. (jclouds) under one or more
+ * contributor license agreements.  See the NOTICE file
+ * distributed with this work for additional information
+ * regarding copyright ownership.  jclouds 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.jclouds.compute.predicates;
+
+import org.jclouds.ContextBuilder;
+import org.jclouds.compute.ComputeService;
+import org.jclouds.compute.ComputeServiceContext;
+import org.jclouds.compute.domain.Hardware;
+import org.testng.annotations.Test;
+
+import com.google.common.collect.Iterables;
+
+/**
+ * 
+ * @author Adrian Cole
+ */
+@Test
+public class HardwarePredicatesTest {
+   ComputeService computeService = ContextBuilder.newBuilder("stub").build(ComputeServiceContext.class).getComputeService();
+
+   public void testHardwareId() {
+      Hardware first = Iterables.get(computeService.listHardwareProfiles(), 0);
+      assert HardwarePredicates.idEquals(first.getId()).apply(first);
+      Hardware second = Iterables.get(computeService.listHardwareProfiles(), 1);
+      assert !HardwarePredicates.idEquals(first.getId()).apply(second);
+   }
+
+}

compute/src/test/java/org/jclouds/compute/predicates/ImagePredicatesTest.java

@@ -29,7 +29,6 @@ import com.google.common.collect.ImmutableMap;
 import com.google.common.collect.Iterables;
 
 /**
- * Tests possible uses of OperatingSystemPredicates
  * 
  * @author Adrian Cole
  */