BUG-620: replace xtend version of classes with Java versions

[controller.git] / opendaylight / md-sal / sal-dom-broker / src / main / java / org / opendaylight / controller / sal / dom / broker / impl / HashMapDataStore.java

diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/sal/dom/broker/impl/HashMapDataStore.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/sal/dom/broker/impl/HashMapDataStore.java
new file mode 100644 (file)
index 0000000..50dfbe8
--- /dev/null
+++ b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/sal/dom/broker/impl/HashMapDataStore.java
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 2014 Cisco Systems, Inc. and others.  All rights reserved.
+ *
+ * This program and the accompanying materials are made available under the
+ * terms of the Eclipse Public License v1.0 which accompanies this distribution,
+ * and is available at http://www.eclipse.org/legal/epl-v10.html
+ */
+package org.opendaylight.controller.sal.dom.broker.impl;
+
+import java.util.Collections;
+import java.util.HashSet;
+import java.util.Map;
+import java.util.Set;
+import java.util.concurrent.ConcurrentHashMap;
+
+import org.opendaylight.controller.md.sal.common.api.data.DataCommitHandler;
+import org.opendaylight.controller.md.sal.common.api.data.DataModification;
+import org.opendaylight.controller.sal.common.util.Rpcs;
+import org.opendaylight.controller.sal.core.api.data.DataStore;
+import org.opendaylight.yangtools.yang.common.RpcError;
+import org.opendaylight.yangtools.yang.common.RpcResult;
+import org.opendaylight.yangtools.yang.data.api.CompositeNode;
+import org.opendaylight.yangtools.yang.data.api.InstanceIdentifier;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+public final class HashMapDataStore implements DataStore, AutoCloseable {
+    private static final Logger LOG = LoggerFactory
+            .getLogger(HashMapDataStore.class);
+
+    private final Map<InstanceIdentifier, CompositeNode> configuration = new ConcurrentHashMap<InstanceIdentifier, CompositeNode>();
+    private final Map<InstanceIdentifier, CompositeNode> operational = new ConcurrentHashMap<InstanceIdentifier, CompositeNode>();
+
+    @Override
+    public boolean containsConfigurationPath(final InstanceIdentifier path) {
+        return configuration.containsKey(path);
+    }
+
+    @Override
+    public boolean containsOperationalPath(final InstanceIdentifier path) {
+        return operational.containsKey(path);
+    }
+
+    @Override
+    public Iterable<InstanceIdentifier> getStoredConfigurationPaths() {
+        return configuration.keySet();
+    }
+
+    @Override
+    public Iterable<InstanceIdentifier> getStoredOperationalPaths() {
+        return operational.keySet();
+    }
+
+    @Override
+    public CompositeNode readConfigurationData(final InstanceIdentifier path) {
+        LOG.trace("Reading configuration path {}", path);
+        return configuration.get(path);
+    }
+
+    @Override
+    public CompositeNode readOperationalData(InstanceIdentifier path) {
+        LOG.trace("Reading operational path {}", path);
+        return operational.get(path);
+    }
+
+    @Override
+    public DataCommitHandler.DataCommitTransaction<InstanceIdentifier, CompositeNode> requestCommit(
+            final DataModification<InstanceIdentifier, CompositeNode> modification) {
+        return new HashMapDataStoreTransaction(modification, this);
+    }
+
+    public RpcResult<Void> rollback(HashMapDataStoreTransaction transaction) {
+        return Rpcs.<Void> getRpcResult(true, null,
+                Collections.<RpcError> emptySet());
+    }
+
+    public RpcResult<Void> finish(HashMapDataStoreTransaction transaction) {
+        final DataModification<InstanceIdentifier, CompositeNode> modification = transaction
+                .getModification();
+        for (final InstanceIdentifier removal : modification
+                .getRemovedConfigurationData()) {
+            LOG.trace("Removing configuration path {}", removal);
+            remove(configuration, removal);
+        }
+        for (final InstanceIdentifier removal : modification
+                .getRemovedOperationalData()) {
+            LOG.trace("Removing operational path {}", removal);
+            remove(operational, removal);
+        }
+        if (LOG.isTraceEnabled()) {
+            for (final InstanceIdentifier a : modification
+                    .getUpdatedConfigurationData().keySet()) {
+                LOG.trace("Adding configuration path {}", a);
+            }
+            for (final InstanceIdentifier a : modification
+                    .getUpdatedOperationalData().keySet()) {
+                LOG.trace("Adding operational path {}", a);
+            }
+        }
+        configuration.putAll(modification.getUpdatedConfigurationData());
+        operational.putAll(modification.getUpdatedOperationalData());
+
+        return Rpcs.<Void> getRpcResult(true, null,
+                Collections.<RpcError> emptySet());
+    }
+
+    public void remove(final Map<InstanceIdentifier, CompositeNode> map,
+            final InstanceIdentifier identifier) {
+        Set<InstanceIdentifier> affected = new HashSet<InstanceIdentifier>();
+        for (final InstanceIdentifier path : map.keySet()) {
+            if (identifier.contains(path)) {
+                affected.add(path);
+            }
+        }
+        for (final InstanceIdentifier pathToRemove : affected) {
+            LOG.trace("Removed path {}", pathToRemove);
+            map.remove(pathToRemove);
+        }
+    }
+
+    @Override
+    public void close() {
+        // NOOP
+    }
+}