adding missing files

git-svn-id: https://hyracks.googlecode.com/svn/branches/hyracks_lsm_tree@1930 123451ca-8445-de46-9d55-352943316053
diff --git a/hyracks-storage-common/src/main/java/edu/uci/ics/hyracks/storage/common/file/ResourceIdFactory.java b/hyracks-storage-common/src/main/java/edu/uci/ics/hyracks/storage/common/file/ResourceIdFactory.java
new file mode 100644
index 0000000..d4ec01f
--- /dev/null
+++ b/hyracks-storage-common/src/main/java/edu/uci/ics/hyracks/storage/common/file/ResourceIdFactory.java
@@ -0,0 +1,29 @@
+/*
+ * Copyright 2009-2012 by The Regents of the University of California
+ * 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 from
+ * 
+ *     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 edu.uci.ics.hyracks.storage.common.file;
+
+import java.util.concurrent.atomic.AtomicLong;
+
+public class ResourceIdFactory {
+    private AtomicLong id = null;
+
+    public ResourceIdFactory(long initialValue) {
+        id = new AtomicLong(initialValue);
+    }
+
+    public long createId() {
+        return id.getAndIncrement();
+    }
+}
diff --git a/hyracks-storage-common/src/main/java/edu/uci/ics/hyracks/storage/common/file/ResourceIdFactoryFactory.java b/hyracks-storage-common/src/main/java/edu/uci/ics/hyracks/storage/common/file/ResourceIdFactoryFactory.java
new file mode 100644
index 0000000..296dea6
--- /dev/null
+++ b/hyracks-storage-common/src/main/java/edu/uci/ics/hyracks/storage/common/file/ResourceIdFactoryFactory.java
@@ -0,0 +1,24 @@
+package edu.uci.ics.hyracks.storage.common.file;
+
+import java.util.List;
+
+import edu.uci.ics.hyracks.api.exceptions.HyracksDataException;
+
+public class ResourceIdFactoryFactory {
+    private ILocalResourceRepository localResourceRepository;
+
+    public ResourceIdFactoryFactory(ILocalResourceRepository localResourceRepository) {
+        this.localResourceRepository = localResourceRepository;
+    }
+
+    public ResourceIdFactory createResourceIdFactory() throws HyracksDataException {
+        List<ILocalResource> localResources = localResourceRepository.getAllResources();
+        long largestResourceId = 0;
+        for (ILocalResource localResource : localResources) {
+            if (largestResourceId < localResource.getResourceId()) {
+                largestResourceId = localResource.getResourceId();
+            }
+        }
+        return new ResourceIdFactory(largestResourceId);
+    }
+}