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=1bd5404f709cf47d3986c594650b39f595158ea7;hb=3ec97cd0a86ad1b79f6854dc6924eb7b06e359a3;hp=0cef81d35922650357ee4bd7e502b5c79f11a3f8;hpb=c1362c86eb19e92e6c64d10099a45deb499c6db1;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..1bd5404f70 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 +14,131 @@ 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 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 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; }