X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;ds=sidebyside;f=opendaylight%2Fmd-sal%2Fsal-dom-broker%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fdom%2Fbroker%2Fimpl%2FAbstractDOMForwardedCompositeTransaction.java;h=15d53f53103c6d4aef8aa3933d6980ae09f75d04;hb=95f5bb216ceaa7b244f4f9dcc805fc609fcdbf3f;hp=d3791a08782b6cbdf0217b85834af12bbf1b9fab;hpb=c46e223995956f1f759c551163c212947c1e2fb7;p=controller.git

diff --git a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/AbstractDOMForwardedCompositeTransaction.java b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/AbstractDOMForwardedCompositeTransaction.java
index d3791a0878..15d53f5310 100644
--- a/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/AbstractDOMForwardedCompositeTransaction.java
+++ b/opendaylight/md-sal/sal-dom-broker/src/main/java/org/opendaylight/controller/md/sal/dom/broker/impl/AbstractDOMForwardedCompositeTransaction.java
@@ -6,14 +6,14 @@
  */
 package org.opendaylight.controller.md.sal.dom.broker.impl;
 
+import com.google.common.base.Preconditions;
+import java.util.Collection;
+import java.util.Map;
 import org.opendaylight.controller.md.sal.common.api.data.AsyncTransaction;
 import org.opendaylight.controller.sal.core.spi.data.DOMStoreTransaction;
 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
 import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
 
-import com.google.common.base.Preconditions;
-import com.google.common.collect.ImmutableMap;
-
 /**
  * Composite DOM Transaction backed by {@link DOMStoreTransaction}.
  *
@@ -29,7 +29,7 @@ import com.google.common.collect.ImmutableMap;
 abstract class AbstractDOMForwardedCompositeTransaction<K, T extends DOMStoreTransaction> implements
         AsyncTransaction<YangInstanceIdentifier, NormalizedNode<?, ?>> {
 
-    private final ImmutableMap<K, T> backingTxs;
+    private final Map<K, T> backingTxs;
     private final Object identifier;
 
     /**
@@ -41,7 +41,7 @@ abstract class AbstractDOMForwardedCompositeTransaction<K, T extends DOMStoreTra
      * @param backingTxs
      *            Key,value map of backing transactions.
      */
-    protected AbstractDOMForwardedCompositeTransaction(final Object identifier, final ImmutableMap<K, T> backingTxs) {
+    protected AbstractDOMForwardedCompositeTransaction(final Object identifier, final Map<K, T> backingTxs) {
         this.identifier = Preconditions.checkNotNull(identifier, "Identifier should not be null");
         this.backingTxs = Preconditions.checkNotNull(backingTxs, "Backing transactions should not be null");
     }
@@ -58,15 +58,17 @@ abstract class AbstractDOMForwardedCompositeTransaction<K, T extends DOMStoreTra
      */
     protected final T getSubtransaction(final K key) {
         Preconditions.checkNotNull(key, "key must not be null.");
-        Preconditions.checkArgument(backingTxs.containsKey(key), "No subtransaction associated with %s", key);
-        return backingTxs.get(key);
+
+        final T ret = backingTxs.get(key);
+        Preconditions.checkArgument(ret != null, "No subtransaction associated with %s", key);
+        return ret;
     }
 
     /**
      * Returns immutable Iterable of all subtransactions.
      *
      */
-    protected Iterable<T> getSubtransactions() {
+    protected Collection<T> getSubtransactions() {
         return backingTxs.values();
     }
 
@@ -77,9 +79,8 @@ abstract class AbstractDOMForwardedCompositeTransaction<K, T extends DOMStoreTra
 
     protected void closeSubtransactions() {
         /*
-         *  We share one exception for all failures, which are added
-         *  as supressedExceptions to it.
-         *
+         * We share one exception for all failures, which are added
+         * as supressedExceptions to it.
          */
         IllegalStateException failure = null;
         for (T subtransaction : backingTxs.values()) {
@@ -87,17 +88,17 @@ abstract class AbstractDOMForwardedCompositeTransaction<K, T extends DOMStoreTra
                 subtransaction.close();
             } catch (Exception e) {
                 // If we did not allocated failure we allocate it
-                if(failure == null) {
-                    failure = new IllegalStateException("Uncaught exception occured during closing transaction.", e);
+                if (failure == null) {
+                    failure = new IllegalStateException("Uncaught exception occured during closing transaction", e);
                 } else {
-                    // We update it with addotional exceptions, which occured during error.
+                    // We update it with additional exceptions, which occurred during error.
                     failure.addSuppressed(e);
                 }
             }
         }
         // If we have failure, we throw it at after all attempts to close.
-        if(failure != null) {
+        if (failure != null) {
             throw failure;
         }
     }
-}
\ No newline at end of file
+}