2 * Copyright (c) 2016 Cisco Systems, Inc. and others. All rights reserved.
4 * This program and the accompanying materials are made available under the
5 * terms of the Eclipse Public License v1.0 which accompanies this distribution,
6 * and is available at http://www.eclipse.org/legal/epl-v10.html
8 package org.opendaylight.restconf.nb.rfc8040.rests.utils;
10 import com.google.common.util.concurrent.CheckedFuture;
11 import javax.ws.rs.core.Response;
12 import javax.ws.rs.core.Response.Status;
13 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
14 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
15 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
16 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
17 import org.opendaylight.restconf.nb.rfc8040.rests.transactions.TransactionVarsWrapper;
18 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
21 * Util class for delete specific data in config DS.
24 public final class DeleteDataTransactionUtil {
26 private DeleteDataTransactionUtil() {
27 throw new UnsupportedOperationException("Util class.");
31 * Delete data from DS via transaction.
33 * @param transactionNode
34 * Wrapper for data of transaction
35 * @return {@link Response}
37 public static Response deleteData(final TransactionVarsWrapper transactionNode) {
38 final CheckedFuture<Void, TransactionCommitFailedException> future = submitData(
39 transactionNode.getTransactionChain(), transactionNode.getTransactionChain().newReadWriteTransaction(),
40 transactionNode.getInstanceIdentifier().getInstanceIdentifier());
41 final ResponseFactory response = new ResponseFactory(Status.OK);
42 FutureCallbackTx.addCallback(future, RestconfDataServiceConstant.DeleteData.DELETE_TX_TYPE, response);
43 return response.build();
47 * Delete data via transaction. Return error if data to delete does not exist.
49 * @param transactionChain
52 * read and write transaction
54 * path of data to delete
55 * @return {@link CheckedFuture}
57 private static CheckedFuture<Void, TransactionCommitFailedException> submitData(
58 final DOMTransactionChain transactionChain, final DOMDataReadWriteTransaction readWriteTx,
59 final YangInstanceIdentifier path) {
60 TransactionUtil.checkItemExists(transactionChain, readWriteTx, LogicalDatastoreType.CONFIGURATION, path,
61 RestconfDataServiceConstant.DeleteData.DELETE_TX_TYPE);
62 readWriteTx.delete(LogicalDatastoreType.CONFIGURATION, path);
63 return readWriteTx.submit();