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[apache#5437] feat(core): add schema event for Iceberg REST server (a…
…pache#5651) ### What changes were proposed in this pull request? add schema event for Iceberg REST server ### Why are the changes needed? Fix: apache#5437 ### Does this PR introduce _any_ user-facing change? no ### How was this patch tested? unit test
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227 changes: 227 additions & 0 deletions
227
...java/org/apache/gravitino/iceberg/service/dispatcher/IcebergNamespaceEventDispatcher.java
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one | ||
| * or more contributor license agreements. See the NOTICE file | ||
| * distributed with this work for additional information | ||
| * regarding copyright ownership. The ASF licenses this file | ||
| * to you under the Apache License, Version 2.0 (the | ||
| * "License"); you may not use this file except in compliance | ||
| * with the License. You may obtain a copy of the License at | ||
| * | ||
| * http://www.apache.org/licenses/LICENSE-2.0 | ||
| * | ||
| * Unless required by applicable law or agreed to in writing, | ||
| * software distributed under the License is distributed on an | ||
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY | ||
| * KIND, either express or implied. See the License for the | ||
| * specific language governing permissions and limitations | ||
| * under the License. | ||
| */ | ||
|
|
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| package org.apache.gravitino.iceberg.service.dispatcher; | ||
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| import org.apache.gravitino.NameIdentifier; | ||
| import org.apache.gravitino.iceberg.service.IcebergRestUtils; | ||
| import org.apache.gravitino.listener.EventBus; | ||
| import org.apache.gravitino.listener.api.event.IcebergCreateNamespaceEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergCreateNamespaceFailureEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergCreateNamespacePreEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergDropNamespaceEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergDropNamespaceFailureEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergDropNamespacePreEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergListNamespacesEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergListNamespacesFailureEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergListNamespacesPreEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergLoadNamespaceEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergLoadNamespaceFailureEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergLoadNamespacePreEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergNamespaceExistsEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergNamespaceExistsFailureEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergNamespaceExistsPreEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergRegisterTableEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergRegisterTableFailureEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergRegisterTablePreEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergRequestContext; | ||
| import org.apache.gravitino.listener.api.event.IcebergUpdateNamespaceEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergUpdateNamespaceFailureEvent; | ||
| import org.apache.gravitino.listener.api.event.IcebergUpdateNamespacePreEvent; | ||
| import org.apache.iceberg.catalog.Namespace; | ||
| import org.apache.iceberg.catalog.TableIdentifier; | ||
| import org.apache.iceberg.rest.requests.CreateNamespaceRequest; | ||
| import org.apache.iceberg.rest.requests.RegisterTableRequest; | ||
| import org.apache.iceberg.rest.requests.UpdateNamespacePropertiesRequest; | ||
| import org.apache.iceberg.rest.responses.CreateNamespaceResponse; | ||
| import org.apache.iceberg.rest.responses.GetNamespaceResponse; | ||
| import org.apache.iceberg.rest.responses.ListNamespacesResponse; | ||
| import org.apache.iceberg.rest.responses.LoadTableResponse; | ||
| import org.apache.iceberg.rest.responses.UpdateNamespacePropertiesResponse; | ||
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| /** | ||
| * {@code IcebergNamespaceEventDispatcher} is a decorator for {@link | ||
| * IcebergNamespaceOperationExecutor} that not only delegates namespace operations to the underlying | ||
| * dispatcher but also dispatches corresponding events to an {@link EventBus}. | ||
| */ | ||
| public class IcebergNamespaceEventDispatcher implements IcebergNamespaceOperationDispatcher { | ||
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| private IcebergNamespaceOperationDispatcher operationDispatcher; | ||
| private EventBus eventBus; | ||
| private String metalakeName; | ||
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| public IcebergNamespaceEventDispatcher( | ||
| IcebergNamespaceOperationDispatcher operationDispatcher, | ||
| EventBus eventBus, | ||
| String metalakeName) { | ||
| this.operationDispatcher = operationDispatcher; | ||
| this.eventBus = eventBus; | ||
| this.metalakeName = metalakeName; | ||
| } | ||
|
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| @Override | ||
| public CreateNamespaceResponse createNamespace( | ||
| IcebergRequestContext context, CreateNamespaceRequest createRequest) { | ||
| NameIdentifier nameIdentifier = | ||
| IcebergRestUtils.getGravitinoNameIdentifier( | ||
| metalakeName, context.catalogName(), createRequest.namespace()); | ||
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| eventBus.dispatchEvent( | ||
| new IcebergCreateNamespacePreEvent(context, nameIdentifier, createRequest)); | ||
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| CreateNamespaceResponse createResponse; | ||
| try { | ||
| createResponse = operationDispatcher.createNamespace(context, createRequest); | ||
| } catch (Exception e) { | ||
| eventBus.dispatchEvent( | ||
| new IcebergCreateNamespaceFailureEvent(context, nameIdentifier, createRequest, e)); | ||
| throw e; | ||
| } | ||
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| eventBus.dispatchEvent( | ||
| new IcebergCreateNamespaceEvent(context, nameIdentifier, createRequest, createResponse)); | ||
| return createResponse; | ||
| } | ||
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| @Override | ||
| public UpdateNamespacePropertiesResponse updateNamespace( | ||
| IcebergRequestContext context, | ||
| Namespace namespace, | ||
| UpdateNamespacePropertiesRequest updateRequest) { | ||
| NameIdentifier nameIdentifier = | ||
| IcebergRestUtils.getGravitinoNameIdentifier(metalakeName, context.catalogName(), namespace); | ||
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| eventBus.dispatchEvent( | ||
| new IcebergUpdateNamespacePreEvent(context, nameIdentifier, updateRequest)); | ||
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| UpdateNamespacePropertiesResponse updateResponse; | ||
| try { | ||
| updateResponse = operationDispatcher.updateNamespace(context, namespace, updateRequest); | ||
| } catch (Exception e) { | ||
| eventBus.dispatchEvent( | ||
| new IcebergUpdateNamespaceFailureEvent(context, nameIdentifier, updateRequest, e)); | ||
| throw e; | ||
| } | ||
|
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| eventBus.dispatchEvent( | ||
| new IcebergUpdateNamespaceEvent(context, nameIdentifier, updateRequest, updateResponse)); | ||
| return updateResponse; | ||
| } | ||
|
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| @Override | ||
| public void dropNamespace(IcebergRequestContext context, Namespace namespace) { | ||
| NameIdentifier nameIdentifier = | ||
| IcebergRestUtils.getGravitinoNameIdentifier(metalakeName, context.catalogName(), namespace); | ||
| eventBus.dispatchEvent(new IcebergDropNamespacePreEvent(context, nameIdentifier)); | ||
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| try { | ||
| operationDispatcher.dropNamespace(context, namespace); | ||
| } catch (Exception e) { | ||
| eventBus.dispatchEvent(new IcebergDropNamespaceFailureEvent(context, nameIdentifier, e)); | ||
| throw e; | ||
| } | ||
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| eventBus.dispatchEvent(new IcebergDropNamespaceEvent(context, nameIdentifier)); | ||
| } | ||
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| @Override | ||
| public GetNamespaceResponse loadNamespace(IcebergRequestContext context, Namespace namespace) { | ||
| NameIdentifier nameIdentifier = | ||
| IcebergRestUtils.getGravitinoNameIdentifier(metalakeName, context.catalogName(), namespace); | ||
| eventBus.dispatchEvent(new IcebergLoadNamespacePreEvent(context, nameIdentifier)); | ||
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| GetNamespaceResponse getResponse; | ||
| try { | ||
| getResponse = operationDispatcher.loadNamespace(context, namespace); | ||
| } catch (Exception e) { | ||
| eventBus.dispatchEvent(new IcebergLoadNamespaceFailureEvent(context, nameIdentifier, e)); | ||
| throw e; | ||
| } | ||
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| eventBus.dispatchEvent(new IcebergLoadNamespaceEvent(context, nameIdentifier, getResponse)); | ||
| return getResponse; | ||
| } | ||
|
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| @Override | ||
| public ListNamespacesResponse listNamespaces( | ||
| IcebergRequestContext context, Namespace parentNamespace) { | ||
| NameIdentifier nameIdentifier = | ||
| IcebergRestUtils.getGravitinoNameIdentifier( | ||
| metalakeName, context.catalogName(), parentNamespace); | ||
| eventBus.dispatchEvent(new IcebergListNamespacesPreEvent(context, nameIdentifier)); | ||
|
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| ListNamespacesResponse listResponse; | ||
| try { | ||
| listResponse = operationDispatcher.listNamespaces(context, parentNamespace); | ||
| } catch (Exception e) { | ||
| eventBus.dispatchEvent(new IcebergListNamespacesFailureEvent(context, nameIdentifier, e)); | ||
| throw e; | ||
| } | ||
|
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| eventBus.dispatchEvent(new IcebergListNamespacesEvent(context, nameIdentifier)); | ||
| return listResponse; | ||
| } | ||
|
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| @Override | ||
| public boolean namespaceExists(IcebergRequestContext context, Namespace namespace) { | ||
| NameIdentifier nameIdentifier = | ||
| IcebergRestUtils.getGravitinoNameIdentifier(metalakeName, context.catalogName(), namespace); | ||
| eventBus.dispatchEvent(new IcebergNamespaceExistsPreEvent(context, nameIdentifier)); | ||
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| boolean isExists; | ||
| try { | ||
| isExists = operationDispatcher.namespaceExists(context, namespace); | ||
| } catch (Exception e) { | ||
| eventBus.dispatchEvent(new IcebergNamespaceExistsFailureEvent(context, nameIdentifier, e)); | ||
| throw e; | ||
| } | ||
|
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| eventBus.dispatchEvent(new IcebergNamespaceExistsEvent(context, nameIdentifier, isExists)); | ||
| return isExists; | ||
| } | ||
|
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| @Override | ||
| public LoadTableResponse registerTable( | ||
| IcebergRequestContext context, | ||
| Namespace namespace, | ||
| RegisterTableRequest registerTableRequest) { | ||
| TableIdentifier tableIdentifier = TableIdentifier.of(namespace, registerTableRequest.name()); | ||
| NameIdentifier nameIdentifier = | ||
| IcebergRestUtils.getGravitinoNameIdentifier( | ||
| metalakeName, context.catalogName(), tableIdentifier); | ||
|
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| eventBus.dispatchEvent( | ||
| new IcebergRegisterTablePreEvent(context, nameIdentifier, registerTableRequest)); | ||
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| LoadTableResponse loadTableResponse; | ||
| try { | ||
| loadTableResponse = | ||
| operationDispatcher.registerTable(context, namespace, registerTableRequest); | ||
| } catch (Exception e) { | ||
| eventBus.dispatchEvent( | ||
| new IcebergRegisterTableFailureEvent(context, nameIdentifier, registerTableRequest, e)); | ||
| throw e; | ||
| } | ||
|
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| eventBus.dispatchEvent( | ||
| new IcebergRegisterTableEvent( | ||
| context, nameIdentifier, registerTableRequest, loadTableResponse)); | ||
| return loadTableResponse; | ||
| } | ||
| } |
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