X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-common-api%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fcommon%2Fapi%2Fdata%2FDataModification.java;h=f6662c388aa36e0092cf0ec8b5f262dcf981d163;hb=8f15fef884bc20239625850c4a2fcdaf36395526;hp=d74b26dae24ae374aa5b03f987eea27c12fe7113;hpb=fcccbe2ab580850a63bb25d657bd10ef424b7614;p=controller.git

diff --git a/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/DataModification.java b/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/DataModification.java
index d74b26dae2..f6662c388a 100644
--- a/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/DataModification.java
+++ b/opendaylight/md-sal/sal-common-api/src/main/java/org/opendaylight/controller/md/sal/common/api/data/DataModification.java
@@ -7,20 +7,17 @@
  */
 package org.opendaylight.controller.md.sal.common.api.data;
 
-import java.util.Map;
-import java.util.Set;
 import java.util.concurrent.Future;
 
 import org.opendaylight.controller.md.sal.common.api.TransactionStatus;
-// FIXME: After 0.6 Release of YANGTools refactor to use Path marker interface for arguments.
-// import org.opendaylight.yangtools.concepts.Path;
+import org.opendaylight.yangtools.concepts.Path;
 import org.opendaylight.yangtools.yang.common.RpcResult;
 
-public interface DataModification<P/* extends Path<P> */, D> extends DataChange<P, D>, DataReader<P, D> {
+public interface DataModification<P extends Path<P>, D> extends DataChange<P, D>, DataReader<P, D> {
 
     /**
      * Returns transaction identifier
-     * 
+     *
      * @return Transaction identifier
      */
     Object getIdentifier();
@@ -28,22 +25,60 @@ public interface DataModification<P/* extends Path<P> */, D> extends DataChange<
     TransactionStatus getStatus();
 
     /**
-     * 
+     *
      * @deprecated Use {@link #putOperationalData(Object, Object)} instead.
-     * 
+     *
      * @param path
      * @param data
      */
     @Deprecated
     void putRuntimeData(P path, D data);
 
+    /**
+     * Store a piece of data at specified path. This acts as a merge operation,
+     * which is to say that any pre-existing data which is not explicitly
+     * overwritten will be preserved. This means that if you store a container,
+     * its child lists will be merged. Performing the following put operations:
+     *
+     * 1) container { list [ a ] }
+     * 2) container { list [ b ] }
+     *
+     * will result in the following data being present:
+     *
+     * container { list [ a, b ] }
+     *
+     * This also means that storing the container will preserve any augmentations
+     * which have been attached to it.
+     *
+     * If you require an explicit replace operation, perform
+     * {@link removeOperationalData} first.
+     */
     void putOperationalData(P path, D data);
 
+    /**
+     * Store a piece of data at specified path. This acts as a merge operation,
+     * which is to say that any pre-existing data which is not explicitly
+     * overwritten will be preserved. This means that if you store a container,
+     * its child lists will be merged. Performing the following put operations:
+     *
+     * 1) container { list [ a ] }
+     * 2) container { list [ b ] }
+     *
+     * will result in the following data being present:
+     *
+     * container { list [ a, b ] }
+     *
+     * This also means that storing the container will preserve any augmentations
+     * which have been attached to it.
+     *
+     * If you require an explicit replace operation, perform
+     * {@link removeConfigurationData} first.
+     */
     void putConfigurationData(P path, D data);
 
     /**
      * @deprecated Use {@link #removeOperationalData(Object)}
-     * 
+     *
      * @param path
      */
     @Deprecated
@@ -55,18 +90,18 @@ public interface DataModification<P/* extends Path<P> */, D> extends DataChange<
 
     /**
      * Initiates a two-phase commit of modification.
-     * 
+     *
      * <p>
      * The successful commit changes the state of the system and may affect
      * several components.
-     * 
+     *
      * <p>
      * The effects of successful commit of data are described in the
      * specifications and YANG models describing the Provider components of
      * controller. It is assumed that Consumer has an understanding of this
      * changes.
-     * 
-     * 
+     *
+     *
      * @see DataCommitHandler for further information how two-phase commit is
      *      processed.
      * @param store