import com.google.common.util.concurrent.FluentFuture;
import java.net.URI;
+import java.util.Collection;
import java.util.Optional;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
-import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriInfo;
import org.opendaylight.mdsal.common.api.CommitInfo;
import org.opendaylight.mdsal.common.api.LogicalDatastoreType;
-import org.opendaylight.mdsal.dom.api.DOMDataTreeReadWriteTransaction;
import org.opendaylight.mdsal.dom.api.DOMTransactionChain;
import org.opendaylight.restconf.common.context.InstanceIdentifierContext;
import org.opendaylight.restconf.common.context.NormalizedNodeContext;
import org.opendaylight.restconf.common.errors.RestconfDocumentedException;
-import org.opendaylight.restconf.nb.rfc8040.handlers.TransactionChainHandler;
-import org.opendaylight.restconf.nb.rfc8040.references.SchemaContextRef;
-import org.opendaylight.restconf.nb.rfc8040.rests.transactions.TransactionVarsWrapper;
+import org.opendaylight.restconf.common.errors.RestconfError;
+import org.opendaylight.restconf.common.errors.RestconfError.ErrorTag;
+import org.opendaylight.restconf.common.errors.RestconfError.ErrorType;
+import org.opendaylight.restconf.nb.rfc8040.rests.transactions.RestconfStrategy;
import org.opendaylight.restconf.nb.rfc8040.utils.parser.ParserIdentifier;
import org.opendaylight.yangtools.yang.data.api.YangInstanceIdentifier;
import org.opendaylight.yangtools.yang.data.api.schema.LeafSetEntryNode;
import org.opendaylight.yangtools.yang.data.api.schema.OrderedMapNode;
import org.opendaylight.yangtools.yang.data.impl.schema.ImmutableNodes;
import org.opendaylight.yangtools.yang.model.api.DataSchemaNode;
+import org.opendaylight.yangtools.yang.model.api.EffectiveModelContext;
import org.opendaylight.yangtools.yang.model.api.ListSchemaNode;
import org.opendaylight.yangtools.yang.model.api.SchemaContext;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
/**
* Util class to post data to DS.
*
*/
public final class PostDataTransactionUtil {
+ private static final Logger LOG = LoggerFactory.getLogger(PostDataTransactionUtil.class);
+
private PostDataTransactionUtil() {
- throw new UnsupportedOperationException("Util class.");
+ // Hidden on purpose
}
/**
- * Check mount point and prepare variables for post data.
- *
- * @param uriInfo
+ * Check mount point and prepare variables for post data. Close {@link DOMTransactionChain} if any inside of object
+ * {@link RestconfStrategy} provided as a parameter.
*
- * @param payload
- * data
- * @param transactionNode
- * wrapper for transaction data
- * @param schemaContextRef
- * reference to actual {@link SchemaContext}
- * @param point
- * point
- * @param insert
- * insert
+ * @param uriInfo uri info
+ * @param payload data
+ * @param strategy Object that perform the actual DS operations
+ * @param schemaContext reference to actual {@link EffectiveModelContext}
+ * @param point point
+ * @param insert insert
* @return {@link Response}
*/
public static Response postData(final UriInfo uriInfo, final NormalizedNodeContext payload,
- final TransactionVarsWrapper transactionNode, final SchemaContextRef schemaContextRef, final String insert,
- final String point) {
- final FluentFuture<? extends CommitInfo> future = submitData(
- payload.getInstanceIdentifierContext().getInstanceIdentifier(), payload.getData(),
- transactionNode, schemaContextRef.get(), insert, point);
- final URI location = PostDataTransactionUtil.resolveLocation(uriInfo, transactionNode, schemaContextRef);
+ final RestconfStrategy strategy,
+ final EffectiveModelContext schemaContext, final String insert,
+ final String point) {
+ final YangInstanceIdentifier path = payload.getInstanceIdentifierContext().getInstanceIdentifier();
+ final FluentFuture<? extends CommitInfo> future = submitData(path, payload.getData(),
+ strategy, schemaContext, insert, point);
+ final URI location = resolveLocation(uriInfo, path, schemaContext, payload.getData());
final ResponseFactory dataFactory = new ResponseFactory(Status.CREATED).location(location);
- FutureCallbackTx.addCallback(future, RestconfDataServiceConstant.PostData.POST_TX_TYPE, dataFactory);
+ //This method will close transactionChain if any
+ FutureCallbackTx.addCallback(future, RestconfDataServiceConstant.PostData.POST_TX_TYPE, dataFactory,
+ strategy.getTransactionChain());
return dataFactory.build();
}
/**
* Post data by type.
*
- * @param path
- * path
- * @param data
- * data
- * @param transactionNode
- * wrapper for data to transaction
- * @param schemaContext
- * schema context of data
- * @param point
- * query parameter
- * @param insert
- * query parameter
+ * @param path path
+ * @param data data
+ * @param strategy object that perform the actual DS operations
+ * @param schemaContext schema context of data
+ * @param point query parameter
+ * @param insert query parameter
* @return {@link FluentFuture}
*/
private static FluentFuture<? extends CommitInfo> submitData(final YangInstanceIdentifier path,
- final NormalizedNode<?, ?> data, final TransactionVarsWrapper transactionNode,
- final SchemaContext schemaContext, final String insert, final String point) {
- final DOMTransactionChain domTransactionChain = transactionNode.getTransactionChain();
- final DOMDataTreeReadWriteTransaction newReadWriteTransaction = domTransactionChain.newReadWriteTransaction();
+ final NormalizedNode<?, ?> data,
+ final RestconfStrategy strategy,
+ final EffectiveModelContext schemaContext,
+ final String insert, final String point) {
+ strategy.prepareReadWriteExecution();
if (insert == null) {
- makePost(path, data, schemaContext, transactionNode.getTransactionChainHandler(), newReadWriteTransaction);
- return newReadWriteTransaction.commit();
- } else {
- final DataSchemaNode schemaNode = PutDataTransactionUtil.checkListAndOrderedType(schemaContext, path);
- switch (insert) {
- case "first":
- if (schemaNode instanceof ListSchemaNode) {
- final NormalizedNode<?, ?> readData = PutDataTransactionUtil.readList(path.getParent(),
- schemaContext, transactionNode.getTransactionChainHandler(), schemaNode);
- final OrderedMapNode readList = (OrderedMapNode) readData;
- if (readList == null || readList.getValue().isEmpty()) {
- makePost(path, data, schemaContext, transactionNode.getTransactionChainHandler(),
- newReadWriteTransaction);
- return newReadWriteTransaction.commit();
- } else {
- newReadWriteTransaction.delete(LogicalDatastoreType.CONFIGURATION,
- path.getParent().getParent());
- simplePost(newReadWriteTransaction, LogicalDatastoreType.CONFIGURATION, path, data,
- schemaContext, transactionNode.getTransactionChainHandler());
- makePost(path, readData, schemaContext, transactionNode.getTransactionChainHandler(),
- newReadWriteTransaction);
- return newReadWriteTransaction.commit();
- }
- } else {
- final NormalizedNode<?, ?> readData = PutDataTransactionUtil.readList(path.getParent(),
- schemaContext, transactionNode.getTransactionChainHandler(), schemaNode);
+ makePost(path, data, schemaContext, strategy);
+ return strategy.commit();
+ }
- final OrderedLeafSetNode<?> readLeafList = (OrderedLeafSetNode<?>) readData;
- if (readLeafList == null || readLeafList.getValue().isEmpty()) {
- makePost(path, data, schemaContext, transactionNode.getTransactionChainHandler(),
- newReadWriteTransaction);
- return newReadWriteTransaction.commit();
- } else {
- newReadWriteTransaction.delete(LogicalDatastoreType.CONFIGURATION,
- path.getParent().getParent());
- simplePost(newReadWriteTransaction, LogicalDatastoreType.CONFIGURATION, path, data,
- schemaContext, transactionNode.getTransactionChainHandler());
- makePost(path, readData, schemaContext, transactionNode.getTransactionChainHandler(),
- newReadWriteTransaction);
- return newReadWriteTransaction.commit();
- }
+ final DataSchemaNode schemaNode = PutDataTransactionUtil.checkListAndOrderedType(schemaContext, path);
+ switch (insert) {
+ case "first":
+ if (schemaNode instanceof ListSchemaNode) {
+ final NormalizedNode<?, ?> readData = PutDataTransactionUtil.readList(path.getParent(),
+ schemaContext, strategy, schemaNode);
+ final OrderedMapNode readList = (OrderedMapNode) readData;
+ if (readList == null || readList.getValue().isEmpty()) {
+ makePost(path, data, schemaContext, strategy);
+ return strategy.commit();
}
- case "last":
- makePost(path, data, schemaContext, transactionNode.getTransactionChainHandler(),
- newReadWriteTransaction);
- return newReadWriteTransaction.commit();
- case "before":
- if (schemaNode instanceof ListSchemaNode) {
- final NormalizedNode<?, ?> readData = PutDataTransactionUtil.readList(path.getParent(),
- schemaContext, transactionNode.getTransactionChainHandler(), schemaNode);
- final OrderedMapNode readList = (OrderedMapNode) readData;
- if (readList == null || readList.getValue().isEmpty()) {
- makePost(path, data, schemaContext, transactionNode.getTransactionChainHandler(),
- newReadWriteTransaction);
- return newReadWriteTransaction.commit();
- } else {
- insertWithPointListPost(newReadWriteTransaction, LogicalDatastoreType.CONFIGURATION, path,
- data, schemaContext, point, readList, true,
- transactionNode.getTransactionChainHandler());
- return newReadWriteTransaction.commit();
- }
- } else {
- final NormalizedNode<?, ?> readData = PutDataTransactionUtil.readList(path.getParent(),
- schemaContext, transactionNode.getTransactionChainHandler(), schemaNode);
- final OrderedLeafSetNode<?> readLeafList = (OrderedLeafSetNode<?>) readData;
- if (readLeafList == null || readLeafList.getValue().isEmpty()) {
- makePost(path, data, schemaContext, transactionNode.getTransactionChainHandler(),
- newReadWriteTransaction);
- return newReadWriteTransaction.commit();
- } else {
- insertWithPointLeafListPost(newReadWriteTransaction, LogicalDatastoreType.CONFIGURATION,
- path, data, schemaContext, point, readLeafList, true,
- transactionNode.getTransactionChainHandler());
- return newReadWriteTransaction.commit();
- }
+ strategy.delete(LogicalDatastoreType.CONFIGURATION, path.getParent().getParent());
+ simplePost(LogicalDatastoreType.CONFIGURATION, path, data, schemaContext, strategy);
+ makePost(path, readData, schemaContext, strategy);
+ return strategy.commit();
+ } else {
+ final NormalizedNode<?, ?> readData = PutDataTransactionUtil.readList(path.getParent(),
+ schemaContext, strategy, schemaNode);
+
+ final OrderedLeafSetNode<?> readLeafList = (OrderedLeafSetNode<?>) readData;
+ if (readLeafList == null || readLeafList.getValue().isEmpty()) {
+ makePost(path, data, schemaContext, strategy);
+ return strategy.commit();
}
- case "after":
- if (schemaNode instanceof ListSchemaNode) {
- final NormalizedNode<?, ?> readData = PutDataTransactionUtil.readList(path.getParent(),
- schemaContext, transactionNode.getTransactionChainHandler(), schemaNode);
- final OrderedMapNode readList = (OrderedMapNode) readData;
- if (readList == null || readList.getValue().isEmpty()) {
- makePost(path, data, schemaContext, transactionNode.getTransactionChainHandler(),
- newReadWriteTransaction);
- return newReadWriteTransaction.commit();
- } else {
- insertWithPointListPost(newReadWriteTransaction, LogicalDatastoreType.CONFIGURATION, path,
- data, schemaContext, point, readList, false,
- transactionNode.getTransactionChainHandler());
- return newReadWriteTransaction.commit();
- }
- } else {
- final NormalizedNode<?, ?> readData = PutDataTransactionUtil.readList(path.getParent(),
- schemaContext, transactionNode.getTransactionChainHandler(), schemaNode);
- final OrderedLeafSetNode<?> readLeafList = (OrderedLeafSetNode<?>) readData;
- if (readLeafList == null || readLeafList.getValue().isEmpty()) {
- makePost(path, data, schemaContext, transactionNode.getTransactionChainHandler(),
- newReadWriteTransaction);
- return newReadWriteTransaction.commit();
- } else {
- insertWithPointLeafListPost(newReadWriteTransaction, LogicalDatastoreType.CONFIGURATION,
- path, data, schemaContext, point, readLeafList, true,
- transactionNode.getTransactionChainHandler());
- return newReadWriteTransaction.commit();
- }
+ strategy.delete(LogicalDatastoreType.CONFIGURATION, path.getParent().getParent());
+ simplePost(LogicalDatastoreType.CONFIGURATION, path, data, schemaContext, strategy);
+ makePost(path, readData, schemaContext, strategy);
+ return strategy.commit();
+ }
+ case "last":
+ makePost(path, data, schemaContext, strategy);
+ return strategy.commit();
+ case "before":
+ if (schemaNode instanceof ListSchemaNode) {
+ final NormalizedNode<?, ?> readData = PutDataTransactionUtil.readList(path.getParent(),
+ schemaContext, strategy, schemaNode);
+ final OrderedMapNode readList = (OrderedMapNode) readData;
+ if (readList == null || readList.getValue().isEmpty()) {
+ makePost(path, data, schemaContext, strategy);
+ return strategy.commit();
}
- default:
- throw new RestconfDocumentedException(
- "Used bad value of insert parameter. Possible values are first, last, before or after, "
- + "but was: " + insert);
- }
+
+ insertWithPointListPost(LogicalDatastoreType.CONFIGURATION, path,
+ data, schemaContext, point, readList, true, strategy);
+ return strategy.commit();
+ } else {
+ final NormalizedNode<?, ?> readData = PutDataTransactionUtil.readList(path.getParent(),
+ schemaContext, strategy, schemaNode);
+
+ final OrderedLeafSetNode<?> readLeafList = (OrderedLeafSetNode<?>) readData;
+ if (readLeafList == null || readLeafList.getValue().isEmpty()) {
+ makePost(path, data, schemaContext, strategy);
+ return strategy.commit();
+ }
+
+ insertWithPointLeafListPost(LogicalDatastoreType.CONFIGURATION,
+ path, data, schemaContext, point, readLeafList, true, strategy);
+ return strategy.commit();
+ }
+ case "after":
+ if (schemaNode instanceof ListSchemaNode) {
+ final NormalizedNode<?, ?> readData = PutDataTransactionUtil.readList(path.getParent(),
+ schemaContext, strategy, schemaNode);
+ final OrderedMapNode readList = (OrderedMapNode) readData;
+ if (readList == null || readList.getValue().isEmpty()) {
+ makePost(path, data, schemaContext, strategy);
+ return strategy.commit();
+ }
+
+ insertWithPointListPost(LogicalDatastoreType.CONFIGURATION, path,
+ data, schemaContext, point, readList, false, strategy);
+ return strategy.commit();
+ } else {
+ final NormalizedNode<?, ?> readData = PutDataTransactionUtil.readList(path.getParent(),
+ schemaContext, strategy, schemaNode);
+
+ final OrderedLeafSetNode<?> readLeafList = (OrderedLeafSetNode<?>) readData;
+ if (readLeafList == null || readLeafList.getValue().isEmpty()) {
+ makePost(path, data, schemaContext, strategy);
+ return strategy.commit();
+ }
+
+ insertWithPointLeafListPost(LogicalDatastoreType.CONFIGURATION,
+ path, data, schemaContext, point, readLeafList, true, strategy);
+ return strategy.commit();
+ }
+ default:
+ throw new RestconfDocumentedException(
+ "Used bad value of insert parameter. Possible values are first, last, before or after, but was: "
+ + insert, RestconfError.ErrorType.PROTOCOL, RestconfError.ErrorTag.BAD_ATTRIBUTE);
}
}
- private static void insertWithPointLeafListPost(final DOMDataTreeReadWriteTransaction rwTransaction,
- final LogicalDatastoreType datastore, final YangInstanceIdentifier path, final NormalizedNode<?, ?> payload,
- final SchemaContext schemaContext, final String point, final OrderedLeafSetNode<?> readLeafList,
- final boolean before, final TransactionChainHandler transactionChainHandler) {
- rwTransaction.delete(datastore, path.getParent().getParent());
+ private static void insertWithPointLeafListPost(final LogicalDatastoreType datastore,
+ final YangInstanceIdentifier path,
+ final NormalizedNode<?, ?> payload,
+ final EffectiveModelContext schemaContext, final String point,
+ final OrderedLeafSetNode<?> readLeafList,
+ final boolean before, final RestconfStrategy strategy) {
+ strategy.delete(datastore, path.getParent().getParent());
final InstanceIdentifierContext<?> instanceIdentifier =
ParserIdentifier.toInstanceIdentifier(point, schemaContext, Optional.empty());
int lastItemPosition = 0;
int lastInsertedPosition = 0;
final NormalizedNode<?, ?> emptySubtree =
ImmutableNodes.fromInstanceId(schemaContext, path.getParent().getParent());
- rwTransaction.merge(datastore, YangInstanceIdentifier.create(emptySubtree.getIdentifier()), emptySubtree);
+ strategy.merge(datastore, YangInstanceIdentifier.create(emptySubtree.getIdentifier()), emptySubtree);
for (final LeafSetEntryNode<?> nodeChild : readLeafList.getValue()) {
if (lastInsertedPosition == lastItemPosition) {
- TransactionUtil.checkItemDoesNotExists(transactionChainHandler, rwTransaction, datastore, path,
- RestconfDataServiceConstant.PostData.POST_TX_TYPE);
- rwTransaction.put(datastore, path, payload);
+ checkItemDoesNotExists(strategy, datastore, path, RestconfDataServiceConstant.PostData.POST_TX_TYPE);
+ strategy.create(datastore, path, payload);
}
final YangInstanceIdentifier childPath = path.getParent().getParent().node(nodeChild.getIdentifier());
- TransactionUtil.checkItemDoesNotExists(transactionChainHandler, rwTransaction, datastore, childPath,
- RestconfDataServiceConstant.PostData.POST_TX_TYPE);
- rwTransaction.put(datastore, childPath, nodeChild);
+ checkItemDoesNotExists(strategy, datastore, childPath, RestconfDataServiceConstant.PostData.POST_TX_TYPE);
+ strategy.create(datastore, childPath, nodeChild);
lastInsertedPosition++;
}
}
- private static void insertWithPointListPost(final DOMDataTreeReadWriteTransaction rwTransaction,
- final LogicalDatastoreType datastore, final YangInstanceIdentifier path, final NormalizedNode<?, ?> payload,
- final SchemaContext schemaContext, final String point, final MapNode readList, final boolean before,
- final TransactionChainHandler transactionChainHandler) {
- rwTransaction.delete(datastore, path.getParent().getParent());
+ private static void insertWithPointListPost(final LogicalDatastoreType datastore, final YangInstanceIdentifier path,
+ final NormalizedNode<?, ?> payload,
+ final EffectiveModelContext schemaContext, final String point,
+ final MapNode readList, final boolean before,
+ final RestconfStrategy strategy) {
+ strategy.delete(datastore, path.getParent().getParent());
final InstanceIdentifierContext<?> instanceIdentifier =
ParserIdentifier.toInstanceIdentifier(point, schemaContext, Optional.empty());
int lastItemPosition = 0;
int lastInsertedPosition = 0;
final NormalizedNode<?, ?> emptySubtree =
ImmutableNodes.fromInstanceId(schemaContext, path.getParent().getParent());
- rwTransaction.merge(datastore, YangInstanceIdentifier.create(emptySubtree.getIdentifier()), emptySubtree);
+ strategy.merge(datastore, YangInstanceIdentifier.create(emptySubtree.getIdentifier()), emptySubtree);
for (final MapEntryNode mapEntryNode : readList.getValue()) {
if (lastInsertedPosition == lastItemPosition) {
- TransactionUtil.checkItemDoesNotExists(transactionChainHandler, rwTransaction, datastore, path,
- RestconfDataServiceConstant.PostData.POST_TX_TYPE);
- rwTransaction.put(datastore, path, payload);
+ checkItemDoesNotExists(strategy, datastore, path, RestconfDataServiceConstant.PostData.POST_TX_TYPE);
+ strategy.create(datastore, path, payload);
}
final YangInstanceIdentifier childPath = path.getParent().getParent().node(mapEntryNode.getIdentifier());
- TransactionUtil.checkItemDoesNotExists(transactionChainHandler, rwTransaction, datastore, childPath,
- RestconfDataServiceConstant.PostData.POST_TX_TYPE);
- rwTransaction.put(datastore, childPath, mapEntryNode);
+ checkItemDoesNotExists(strategy, datastore, childPath, RestconfDataServiceConstant.PostData.POST_TX_TYPE);
+ strategy.create(datastore, childPath, mapEntryNode);
lastInsertedPosition++;
}
}
private static void makePost(final YangInstanceIdentifier path, final NormalizedNode<?, ?> data,
- final SchemaContext schemaContext, final TransactionChainHandler transactionChainHandler,
- final DOMDataTreeReadWriteTransaction transaction) {
+ final SchemaContext schemaContext, final RestconfStrategy strategy) {
if (data instanceof MapNode) {
boolean merge = false;
for (final MapEntryNode child : ((MapNode) data).getValue()) {
final YangInstanceIdentifier childPath = path.node(child.getIdentifier());
- TransactionUtil.checkItemDoesNotExists(
- transactionChainHandler, transaction, LogicalDatastoreType.CONFIGURATION, childPath,
+ checkItemDoesNotExists(strategy, LogicalDatastoreType.CONFIGURATION, childPath,
RestconfDataServiceConstant.PostData.POST_TX_TYPE);
if (!merge) {
merge = true;
- TransactionUtil.ensureParentsByMerge(path, schemaContext, transaction);
+ TransactionUtil.ensureParentsByMerge(path, schemaContext, strategy);
final NormalizedNode<?, ?> emptySubTree = ImmutableNodes.fromInstanceId(schemaContext, path);
- transaction.merge(LogicalDatastoreType.CONFIGURATION,
+ strategy.merge(LogicalDatastoreType.CONFIGURATION,
YangInstanceIdentifier.create(emptySubTree.getIdentifier()), emptySubTree);
}
- transaction.put(LogicalDatastoreType.CONFIGURATION, childPath, child);
+ strategy.create(LogicalDatastoreType.CONFIGURATION, childPath, child);
}
} else {
- TransactionUtil.checkItemDoesNotExists(
- transactionChainHandler, transaction, LogicalDatastoreType.CONFIGURATION, path,
+ checkItemDoesNotExists(strategy, LogicalDatastoreType.CONFIGURATION, path,
RestconfDataServiceConstant.PostData.POST_TX_TYPE);
- TransactionUtil.ensureParentsByMerge(path, schemaContext, transaction);
- transaction.put(LogicalDatastoreType.CONFIGURATION, path, data);
+ TransactionUtil.ensureParentsByMerge(path, schemaContext, strategy);
+ strategy.create(LogicalDatastoreType.CONFIGURATION, path, data);
}
}
/**
* Get location from {@link YangInstanceIdentifier} and {@link UriInfo}.
*
- * @param uriInfo
- * uri info
- * @param transactionNode
- * wrapper for data of transaction
- * @param schemaContextRef
- * reference to {@link SchemaContext}
+ * @param uriInfo uri info
+ * @param initialPath data path
+ * @param schemaContext reference to {@link SchemaContext}
* @return {@link URI}
*/
- private static URI resolveLocation(final UriInfo uriInfo, final TransactionVarsWrapper transactionNode,
- final SchemaContextRef schemaContextRef) {
+ private static URI resolveLocation(final UriInfo uriInfo, final YangInstanceIdentifier initialPath,
+ final EffectiveModelContext schemaContext, final NormalizedNode<?, ?> data) {
if (uriInfo == null) {
return null;
}
- final UriBuilder uriBuilder = uriInfo.getBaseUriBuilder();
- uriBuilder.path("data");
- uriBuilder.path(ParserIdentifier
- .stringFromYangInstanceIdentifier(transactionNode.getInstanceIdentifier().getInstanceIdentifier(),
- schemaContextRef.get()));
+ YangInstanceIdentifier path = initialPath;
+ if (data instanceof MapNode) {
+ final Collection<MapEntryNode> children = ((MapNode) data).getValue();
+ if (!children.isEmpty()) {
+ path = path.node(children.iterator().next().getIdentifier());
+ }
+ }
- return uriBuilder.build();
+ return uriInfo.getBaseUriBuilder()
+ .path("data")
+ .path(ParserIdentifier.stringFromYangInstanceIdentifier(path, schemaContext))
+ .build();
}
- private static void simplePost(final DOMDataTreeReadWriteTransaction rwTransaction,
- final LogicalDatastoreType datastore, final YangInstanceIdentifier path, final NormalizedNode<?, ?> payload,
- final SchemaContext schemaContext, final TransactionChainHandler transactionChainHandler) {
- TransactionUtil.checkItemDoesNotExists(transactionChainHandler, rwTransaction, datastore, path,
- RestconfDataServiceConstant.PostData.POST_TX_TYPE);
- TransactionUtil.ensureParentsByMerge(path, schemaContext, rwTransaction);
- rwTransaction.put(datastore, path, payload);
+ private static void simplePost(final LogicalDatastoreType datastore, final YangInstanceIdentifier path,
+ final NormalizedNode<?, ?> payload,
+ final SchemaContext schemaContext, final RestconfStrategy strategy) {
+ checkItemDoesNotExists(strategy, datastore, path, RestconfDataServiceConstant.PostData.POST_TX_TYPE);
+ TransactionUtil.ensureParentsByMerge(path, schemaContext, strategy);
+ strategy.create(datastore, path, payload);
}
+
+
+ /**
+ * Check if items do NOT already exists at specified {@code path}. Throws {@link RestconfDocumentedException} if
+ * data already exists.
+ *
+ * @param strategy Object that perform the actual DS operations
+ * @param store Datastore
+ * @param path Path to be checked
+ * @param operationType Type of operation (READ, POST, PUT, DELETE...)
+ */
+ private static void checkItemDoesNotExists(final RestconfStrategy strategy,
+ final LogicalDatastoreType store, final YangInstanceIdentifier path,
+ final String operationType) {
+ final FluentFuture<Boolean> future = strategy.exists(store, path);
+ final FutureDataFactory<Boolean> response = new FutureDataFactory<>();
+
+ FutureCallbackTx.addCallback(future, operationType, response);
+
+ if (response.result) {
+ // close transaction
+ strategy.cancel();
+ // throw error
+ LOG.trace("Operation via Restconf was not executed because data at {} already exists", path);
+ throw new RestconfDocumentedException(
+ "Data already exists", ErrorType.PROTOCOL, ErrorTag.DATA_EXISTS, path);
+ }
+ }
+
}