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60 changes: 60 additions & 0 deletions
60
...ckend/src/main/java/neo4j/org/testkit/backend/messages/requests/SessionLastBookmarks.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,60 @@ | ||
| /* | ||
| * Copyright (c) 2002-2020 "Neo4j," | ||
| * Neo4j Sweden AB [http://neo4j.com] | ||
| * | ||
| * This file is part of Neo4j. | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
| package neo4j.org.testkit.backend.messages.requests; | ||
|
|
||
| import lombok.Getter; | ||
| import lombok.NoArgsConstructor; | ||
| import lombok.Setter; | ||
| import neo4j.org.testkit.backend.SessionState; | ||
| import neo4j.org.testkit.backend.TestkitState; | ||
| import neo4j.org.testkit.backend.messages.responses.Bookmarks; | ||
| import neo4j.org.testkit.backend.messages.responses.TestkitResponse; | ||
|
|
||
| import java.util.Optional; | ||
|
|
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| import org.neo4j.driver.Bookmark; | ||
|
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| @Setter | ||
| @Getter | ||
| @NoArgsConstructor | ||
| public class SessionLastBookmarks implements TestkitRequest | ||
| { | ||
| private SessionLastBookmarksBody data; | ||
|
|
||
| @Override | ||
| public TestkitResponse process( TestkitState testkitState ) | ||
| { | ||
| return Optional.ofNullable( testkitState.getSessionStates().getOrDefault( data.sessionId, null ) ) | ||
| .map( SessionState::getSession ) | ||
| .map( session -> | ||
| { | ||
| Bookmark bookmark = testkitState.getSessionStates().get( data.getSessionId() ).getSession().lastBookmark(); | ||
| return Bookmarks.builder().data( Bookmarks.BookmarksBody.builder().bookmarks( bookmark ).build() ).build(); | ||
| } ) | ||
| .orElseThrow( () -> new RuntimeException( "Could not find session" ) ); | ||
| } | ||
|
|
||
| @Setter | ||
| @Getter | ||
| @NoArgsConstructor | ||
| public static class SessionLastBookmarksBody | ||
| { | ||
| private String sessionId; | ||
| } | ||
| } |
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113 changes: 113 additions & 0 deletions
113
...nd/src/main/java/neo4j/org/testkit/backend/messages/requests/SessionWriteTransaction.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,113 @@ | ||
| /* | ||
| * Copyright (c) 2002-2020 "Neo4j," | ||
| * Neo4j Sweden AB [http://neo4j.com] | ||
| * | ||
| * This file is part of Neo4j. | ||
| * | ||
| * Licensed 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. | ||
| */ | ||
| package neo4j.org.testkit.backend.messages.requests; | ||
|
|
||
| import lombok.Getter; | ||
| import lombok.NoArgsConstructor; | ||
| import lombok.Setter; | ||
| import neo4j.org.testkit.backend.SessionState; | ||
| import neo4j.org.testkit.backend.TestkitState; | ||
| import neo4j.org.testkit.backend.messages.responses.RetryableDone; | ||
| import neo4j.org.testkit.backend.messages.responses.RetryableTry; | ||
| import neo4j.org.testkit.backend.messages.responses.TestkitResponse; | ||
|
|
||
| import java.util.Map; | ||
| import java.util.Optional; | ||
|
|
||
| import org.neo4j.driver.Session; | ||
| import org.neo4j.driver.TransactionWork; | ||
|
|
||
| @Setter | ||
| @Getter | ||
| @NoArgsConstructor | ||
| public class SessionWriteTransaction implements TestkitRequest | ||
| { | ||
| private SessionWriteTransactionBody data; | ||
|
|
||
| @Override | ||
| public TestkitResponse process( TestkitState testkitState ) | ||
| { | ||
| return Optional.ofNullable( testkitState.getSessionStates().getOrDefault( data.getSessionId(), null ) ) | ||
| .map( sessionState -> | ||
| { | ||
| Session session = sessionState.getSession(); | ||
| session.writeTransaction( handle( testkitState, sessionState ) ); | ||
| return retryableDone(); | ||
| } ).orElseThrow( () -> new RuntimeException( "Could not find session" ) ); | ||
| } | ||
|
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| private TransactionWork<Integer> handle( TestkitState testkitState, SessionState sessionState ) | ||
| { | ||
| return tx -> | ||
| { | ||
| System.out.println( "Start" ); | ||
| sessionState.setRetryableState( 0 ); | ||
| String txId = testkitState.newId(); | ||
| testkitState.getTransactions().put( txId, tx ); | ||
| testkitState.getResponseWriter().accept( retryableTry( txId ) ); | ||
|
|
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| while ( true ) | ||
| { | ||
| // Process commands as usual but blocking in here | ||
| testkitState.getProcessor().get(); | ||
|
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| // Check if state changed on session | ||
| switch ( sessionState.retryableState ) | ||
| { | ||
| case 0: | ||
| // Nothing happened to session state while processing command | ||
| break; | ||
| case 1: | ||
| // Client is happy to commit | ||
| return 0; | ||
| case -1: | ||
| // Client wants to rollback | ||
| if ( !"".equals( sessionState.retryableErrorId ) ) | ||
| { | ||
| throw testkitState.getErrors().get( sessionState.retryableErrorId ); | ||
| } | ||
| else | ||
| { | ||
| throw new RuntimeException( "Error from client in retryable tx" ); | ||
| } | ||
| } | ||
| } | ||
| }; | ||
| } | ||
|
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| private RetryableTry retryableTry( String txId ) | ||
| { | ||
| return RetryableTry.builder().data( RetryableTry.RetryableTryBody.builder().id( txId ).build() ).build(); | ||
| } | ||
|
|
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| private RetryableDone retryableDone() | ||
| { | ||
| return RetryableDone.builder().build(); | ||
| } | ||
|
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| @Setter | ||
| @Getter | ||
| @NoArgsConstructor | ||
| public static class SessionWriteTransactionBody | ||
| { | ||
| private String sessionId; | ||
| private Map<String,String> txMeta; | ||
| private String timeout; | ||
| } | ||
| } |
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