X-Git-Url: https://git.opendaylight.org/gerrit/gitweb?a=blobdiff_plain;f=opendaylight%2Fmd-sal%2Fsal-binding-api%2Fsrc%2Fmain%2Fjava%2Forg%2Fopendaylight%2Fcontroller%2Fmd%2Fsal%2Fbinding%2Fapi%2FWriteTransaction.java;h=3c4591a0a34e0cd619b3fd68ac75560ed774d172;hb=refs%2Fchanges%2F28%2F83828%2F2;hp=0cef81d35922650357ee4bd7e502b5c79f11a3f8;hpb=4be60297ba3835ac60e4910540c1b7646f3c4ca3;p=controller.git diff --git a/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/WriteTransaction.java b/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/WriteTransaction.java index 0cef81d359..3c4591a0a3 100644 --- a/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/WriteTransaction.java +++ b/opendaylight/md-sal/sal-binding-api/src/main/java/org/opendaylight/controller/md/sal/binding/api/WriteTransaction.java @@ -14,13 +14,114 @@ import org.opendaylight.yangtools.yang.binding.InstanceIdentifier; /** * A transaction that provides mutation capabilities on a data tree. + * *

* For more information on usage and examples, please see the documentation in {@link AsyncWriteTransaction}. + * + * @deprecated Use {@link org.opendaylight.mdsal.binding.api.WriteTransaction} instead. */ +@Deprecated public interface WriteTransaction extends AsyncWriteTransaction, DataObject> { - @Override - void put(LogicalDatastoreType store, InstanceIdentifier path, DataObject data); + /** + * Stores a piece of data at the specified path. This acts as an add / replace operation, which is to say that whole + * subtree will be replaced by the specified data. + * + *

+ * This method does not automatically create missing parent nodes. It is equivalent to invoking + * {@link #put(LogicalDatastoreType, InstanceIdentifier, DataObject, boolean)} with {@code createMissingParents} set + * to false. + * + *

+ * For more information on usage and examples, please see the documentation in {@link AsyncWriteTransaction}. + * + *

+ * If you need to make sure that a parent object exists but you do not want modify its pre-existing state by using + * put, consider using {@link #merge} instead. + * + * @param store the logical data store which should be modified + * @param path the data object path + * @param data the data object to be written to the specified path + * @throws IllegalStateException if the transaction has already been submitted + */ + void put(LogicalDatastoreType store, InstanceIdentifier path, T data); + + /** + * Stores a piece of data at the specified path. This acts as an add / replace operation, which is to say that whole + * subtree will be replaced by the specified data. + * + *

+ * For more information on usage and examples, please see the documentation in {@link AsyncWriteTransaction}. + * + *

+ * If you need to make sure that a parent object exists but you do not want modify its pre-existing state by using + * put, consider using {@link #merge} instead. + * + *

+ * Note: Using createMissingParents with value true, may introduce garbage in data store, or recreate + * nodes, which were deleted by previous transaction. + * + * @param store the logical data store which should be modified + * @param path the data object path + * @param data the data object to be written to the specified path + * @param createMissingParents if {@link #CREATE_MISSING_PARENTS} ({@code true}), any missing parent nodes will be + * automatically created using a merge operation. + * @throws IllegalStateException if the transaction has already been submitted + */ + void put(LogicalDatastoreType store, InstanceIdentifier path, T data, + boolean createMissingParents); + + /** + * Merges a piece of data with the existing data at a specified path. 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. + * + *

+ * This method does not automatically create missing parent nodes. It is equivalent to invoking + * {@link #merge(LogicalDatastoreType, InstanceIdentifier, DataObject, boolean)} with {@code createMissingParents} + * set to false. + * + *

+ * For more information on usage and examples, please see the documentation in {@link AsyncWriteTransaction}. + * + *

+ * If you require an explicit replace operation, use {@link #put} instead. + * + * @param store the logical data store which should be modified + * @param path the data object path + * @param data the data object to be merged to the specified path + * @throws IllegalStateException if the transaction has already been submitted + */ + void merge(LogicalDatastoreType store, InstanceIdentifier path, T data); + + /** + * Merges a piece of data with the existing data at a specified path. 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. + * + *

+ * For more information on usage and examples, please see the documentation in {@link AsyncWriteTransaction}. + * + *

+ * If you require an explicit replace operation, use {@link #put} instead. + * + * @param store the logical data store which should be modified + * @param path the data object path + * @param data the data object to be merged to the specified path + * @param createMissingParents if {@link #CREATE_MISSING_PARENTS} ({@code true}), any missing parent nodes will be + * automatically created using a merge operation. + * @throws IllegalStateException if the transaction has already been submitted + */ + void merge(LogicalDatastoreType store, InstanceIdentifier path, T data, + boolean createMissingParents); @Override void delete(LogicalDatastoreType store, InstanceIdentifier path); + + /** + * Flag value indicating that missing parents should be created. + */ + boolean CREATE_MISSING_PARENTS = true; + + /** + * Flag value indicating that missing parents should cause an error. + */ + boolean FAIL_ON_MISSING_PARENTS = false; }