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.restful.utils;
10 import com.google.common.util.concurrent.CheckedFuture;
11 import javax.ws.rs.core.Response;
12 import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
13 import org.opendaylight.controller.md.sal.common.api.data.TransactionCommitFailedException;
14 import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
15 import org.opendaylight.controller.md.sal.dom.api.DOMTransactionChain;
16 import org.opendaylight.restconf.restful.transaction.TransactionVarsWrapper;
17 import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
20 * Util class for delete specific data in config DS.
23 public final class DeleteDataTransactionUtil {
25 private DeleteDataTransactionUtil() {
26 throw new UnsupportedOperationException("Util class.");
30 * Delete data from DS via transaction.
32 * @param transactionNode
33 * Wrapper for data of transaction
34 * @return {@link Response}
36 public static Response deleteData(final TransactionVarsWrapper transactionNode) {
37 final CheckedFuture<Void, TransactionCommitFailedException> future = submitData(
38 transactionNode.getTransactionChain(), transactionNode.getTransactionChain().newReadWriteTransaction(),
39 transactionNode.getInstanceIdentifier().getInstanceIdentifier());
40 final ResponseFactory response = new ResponseFactory();
41 FutureCallbackTx.addCallback(future, RestconfDataServiceConstant.DeleteData.DELETE_TX_TYPE, response);
42 return response.build();
46 * Delete data via transaction. Return error if data to delete does not exist.
48 * @param transactionChain
51 * read and write transaction
53 * path of data to delete
54 * @return {@link CheckedFuture}
56 private static CheckedFuture<Void, TransactionCommitFailedException> submitData(
57 final DOMTransactionChain transactionChain, final DOMDataReadWriteTransaction readWriteTx,
58 final YangInstanceIdentifier path) {
59 TransactionUtil.checkItemExists(transactionChain, readWriteTx, LogicalDatastoreType.CONFIGURATION, path,
60 RestconfDataServiceConstant.DeleteData.DELETE_TX_TYPE);
61 readWriteTx.delete(LogicalDatastoreType.CONFIGURATION, path);
62 return readWriteTx.submit();