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Rename and extract recovery related interfaces and services.
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30 changes: 30 additions & 0 deletions
30
community/kernel/src/main/java/org/neo4j/kernel/recovery/RecoveryApplier.java
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|---|---|---|
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| /* | ||
| * Copyright (c) 2002-2017 "Neo Technology," | ||
| * Network Engine for Objects in Lund AB [http://neotechnology.com] | ||
| * | ||
| * This file is part of Neo4j. | ||
| * | ||
| * Neo4j is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package org.neo4j.kernel.recovery; | ||
|
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| import org.neo4j.helpers.collection.Visitor; | ||
| import org.neo4j.kernel.impl.transaction.CommittedTransactionRepresentation; | ||
|
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| /** | ||
| * Recovery transaction applier that will apply all recovered transaction to underlying store. | ||
| */ | ||
| public interface RecoveryApplier extends Visitor<CommittedTransactionRepresentation,Exception>, AutoCloseable | ||
| { | ||
| } |
57 changes: 57 additions & 0 deletions
57
community/kernel/src/main/java/org/neo4j/kernel/recovery/RecoveryMonitor.java
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| Original file line number | Diff line number | Diff line change |
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| @@ -0,0 +1,57 @@ | ||
| /* | ||
| * Copyright (c) 2002-2017 "Neo Technology," | ||
| * Network Engine for Objects in Lund AB [http://neotechnology.com] | ||
| * | ||
| * This file is part of Neo4j. | ||
| * | ||
| * Neo4j is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package org.neo4j.kernel.recovery; | ||
|
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| import org.neo4j.kernel.impl.transaction.log.LogPosition; | ||
| import org.neo4j.kernel.impl.transaction.log.entry.LogEntryCommit; | ||
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| public interface RecoveryMonitor | ||
| { | ||
| default void recoveryRequired( LogPosition recoveryPosition ) | ||
| { | ||
| // noop | ||
| } | ||
|
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| default void transactionRecovered( long txId ) | ||
| { | ||
| //noop | ||
| } | ||
|
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| default void recoveryCompleted( int numberOfRecoveredTransactions ) | ||
| { | ||
| //noop | ||
| } | ||
|
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| default void reverseStoreRecoveryCompleted( long lowestRecoveredTxId ) | ||
| { | ||
| //noop | ||
| } | ||
|
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| default void failToRecoverTransactionsAfterCommit( Throwable t, LogEntryCommit commitEntry, | ||
| LogPosition recoveryToPosition ) | ||
| { | ||
| //noop | ||
| } | ||
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| default void failToRecoverTransactionsAfterPosition( Throwable t, LogPosition recoveryFromPosition ) | ||
| { | ||
| //noop | ||
| } | ||
| } |
43 changes: 43 additions & 0 deletions
43
community/kernel/src/main/java/org/neo4j/kernel/recovery/RecoveryService.java
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| @@ -0,0 +1,43 @@ | ||
| /* | ||
| * Copyright (c) 2002-2017 "Neo Technology," | ||
| * Network Engine for Objects in Lund AB [http://neotechnology.com] | ||
| * | ||
| * This file is part of Neo4j. | ||
| * | ||
| * Neo4j is free software: you can redistribute it and/or modify | ||
| * it under the terms of the GNU General Public License as published by | ||
| * the Free Software Foundation, either version 3 of the License, or | ||
| * (at your option) any later version. | ||
| * | ||
| * This program is distributed in the hope that it will be useful, | ||
| * but WITHOUT ANY WARRANTY; without even the implied warranty of | ||
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | ||
| * GNU General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package org.neo4j.kernel.recovery; | ||
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| import java.io.IOException; | ||
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| import org.neo4j.kernel.impl.transaction.CommittedTransactionRepresentation; | ||
| import org.neo4j.kernel.impl.transaction.log.LogPosition; | ||
| import org.neo4j.kernel.impl.transaction.log.TransactionCursor; | ||
| import org.neo4j.storageengine.api.TransactionApplicationMode; | ||
|
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| public interface RecoveryService | ||
| { | ||
| void startRecovery(); | ||
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| TransactionCursor getTransactions( LogPosition recoveryFromPosition ) throws IOException; | ||
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| TransactionCursor getTransactionsInReverseOrder( LogPosition recoveryFromPosition ) throws IOException; | ||
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| LogPosition getPositionToRecoverFrom() throws IOException; | ||
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| RecoveryApplier getRecoveryApplier( TransactionApplicationMode mode ) throws Exception; | ||
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| void transactionsRecovered( CommittedTransactionRepresentation lastRecoveredTransaction, | ||
| LogPosition positionAfterLastRecoveredTransaction ); | ||
| } |
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