+++ /dev/null
-/*
- * Copyright (c) 2015 Cisco Systems, Inc. and others. All rights reserved.
- *
- * This program and the accompanying materials are made available under the
- * terms of the Eclipse Public License v1.0 which accompanies this distribution,
- * and is available at http://www.eclipse.org/legal/epl-v10.html
- */
-
-package org.opendaylight.controller.netconf.mdsal.connector.ops.get;
-
-import com.google.common.base.Optional;
-import org.opendaylight.controller.config.util.xml.DocumentedException;
-import org.opendaylight.controller.config.util.xml.DocumentedException.ErrorSeverity;
-import org.opendaylight.controller.config.util.xml.DocumentedException.ErrorTag;
-import org.opendaylight.controller.config.util.xml.DocumentedException.ErrorType;
-import org.opendaylight.controller.config.util.xml.XmlElement;
-import org.opendaylight.controller.config.util.xml.XmlUtil;
-import org.opendaylight.controller.md.sal.common.api.data.LogicalDatastoreType;
-import org.opendaylight.controller.md.sal.common.api.data.ReadFailedException;
-import org.opendaylight.controller.md.sal.dom.api.DOMDataReadWriteTransaction;
-import org.opendaylight.controller.netconf.api.xml.XmlNetconfConstants;
-import org.opendaylight.controller.netconf.mdsal.connector.CurrentSchemaContext;
-import org.opendaylight.controller.netconf.mdsal.connector.TransactionProvider;
-import org.opendaylight.controller.netconf.mdsal.connector.ops.Datastore;
-import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
-import org.opendaylight.yangtools.yang.data.api.schema.NormalizedNode;
-import org.slf4j.Logger;
-import org.slf4j.LoggerFactory;
-import org.w3c.dom.Document;
-import org.w3c.dom.Element;
-
-public class Get extends AbstractGet {
-
- private static final Logger LOG = LoggerFactory.getLogger(Get.class);
-
- private static final String OPERATION_NAME = "get";
- private final TransactionProvider transactionProvider;
-
- public Get(final String netconfSessionIdForReporting, final CurrentSchemaContext schemaContext, final TransactionProvider transactionProvider) {
- super(netconfSessionIdForReporting, schemaContext);
- this.transactionProvider = transactionProvider;
- }
-
- @Override
- protected Element handleWithNoSubsequentOperations(Document document, XmlElement operationElement) throws DocumentedException {
-
- final Optional<YangInstanceIdentifier> dataRootOptional = getDataRootFromFilter(operationElement);
- if (!dataRootOptional.isPresent()) {
- return XmlUtil.createElement(document, XmlNetconfConstants.DATA_KEY, Optional.<String>absent());
- }
-
- final YangInstanceIdentifier dataRoot = dataRootOptional.get();
-
- DOMDataReadWriteTransaction rwTx = getTransaction(Datastore.running);
- try {
- final Optional<NormalizedNode<?, ?>> normalizedNodeOptional = rwTx.read(LogicalDatastoreType.OPERATIONAL, dataRoot).checkedGet();
- transactionProvider.abortRunningTransaction(rwTx);
-
- if (!normalizedNodeOptional.isPresent()) {
- return XmlUtil.createElement(document, XmlNetconfConstants.DATA_KEY, Optional.<String>absent());
- }
-
- return serializeNodeWithParentStructure(document, dataRoot, normalizedNodeOptional.get());
- } catch (ReadFailedException e) {
- LOG.warn("Unable to read data: {}", dataRoot, e);
- throw new IllegalStateException("Unable to read data " + dataRoot, e);
- }
- }
-
- private DOMDataReadWriteTransaction getTransaction(Datastore datastore) throws DocumentedException{
- if (datastore == Datastore.candidate) {
- return transactionProvider.getOrCreateTransaction();
- } else if (datastore == Datastore.running) {
- return transactionProvider.createRunningTransaction();
- }
- throw new DocumentedException("Incorrect Datastore: ", ErrorType.protocol, ErrorTag.bad_element, ErrorSeverity.error);
- }
-
- @Override
- protected String getOperationName() {
- return OPERATION_NAME;
- }
-}