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Separated HighAvailabilityMembers into HighAvailabilitySlaves / Members
and introduced abstractions along the way to be able to write mocked tests.
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27 changes: 27 additions & 0 deletions
27
enterprise/cluster/src/main/java/org/neo4j/cluster/Binding.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,27 @@ | ||
| /** | ||
| * Copyright (c) 2002-2012 "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 Affero 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 Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package org.neo4j.cluster; | ||
|
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| public interface Binding | ||
| { | ||
| void addBindingListener( BindingListener listener ); | ||
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| void removeBindingListener( BindingListener listener ); | ||
| } |
42 changes: 42 additions & 0 deletions
42
enterprise/cluster/src/main/java/org/neo4j/cluster/ClusterMonitor.java
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| /** | ||
| * Copyright (c) 2002-2012 "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 Affero 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 Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package org.neo4j.cluster; | ||
|
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| import org.neo4j.cluster.protocol.cluster.ClusterListener; | ||
| import org.neo4j.cluster.protocol.heartbeat.Heartbeat; | ||
|
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| /** | ||
| * Bundles up different ways of listening in on events going on | ||
| * in a cluster. | ||
| * | ||
| * {@link Binding} for notifications about which URI is used | ||
| * for sending events of the network. | ||
| * {@link Heartbeat} for notifications about failed/alive members. | ||
| * {@link #addClusterListener(ClusterListener)}, {@link #removeClusterListener(ClusterListener) | ||
| * for getting notified about cluster membership events. | ||
| * | ||
| * @author Mattias Persson | ||
| */ | ||
| public interface ClusterMonitor extends Binding, Heartbeat | ||
| { | ||
| void addClusterListener( ClusterListener listener); | ||
|
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| void removeClusterListener( ClusterListener listener); | ||
| } |
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66 changes: 66 additions & 0 deletions
66
enterprise/ha/src/main/java/org/neo4j/kernel/ha/DefaultSlaveFactory.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| /** | ||
| * Copyright (c) 2002-2012 "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 Affero 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 Affero General Public License for more details. | ||
| * | ||
| * You should have received a copy of the GNU Affero General Public License | ||
| * along with this program. If not, see <http://www.gnu.org/licenses/>. | ||
| */ | ||
| package org.neo4j.kernel.ha; | ||
|
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| import static org.neo4j.kernel.ha.cluster.HighAvailabilityModeSwitcher.getServerId; | ||
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| import java.net.URI; | ||
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| import org.neo4j.kernel.configuration.Config; | ||
| import org.neo4j.kernel.impl.nioneo.store.StoreId; | ||
| import org.neo4j.kernel.impl.nioneo.xa.NeoStoreXaDataSource; | ||
| import org.neo4j.kernel.impl.transaction.DataSourceRegistrationListener; | ||
| import org.neo4j.kernel.impl.transaction.XaDataSourceManager; | ||
| import org.neo4j.kernel.impl.transaction.xaframework.XaDataSource; | ||
| import org.neo4j.kernel.impl.util.StringLogger; | ||
|
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| public class DefaultSlaveFactory implements SlaveFactory | ||
| { | ||
| private StringLogger logger; | ||
| private int maxConcurrentChannelsPerSlave; | ||
| private int chunkSize; | ||
| private StoreId storeId; | ||
|
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| public DefaultSlaveFactory( XaDataSourceManager xaDsm, StringLogger logger, | ||
| int maxConcurrentChannelsPerSlave, int chunkSize ) | ||
| { | ||
| this.logger = logger; | ||
| this.maxConcurrentChannelsPerSlave = maxConcurrentChannelsPerSlave; | ||
| this.chunkSize = chunkSize; | ||
| xaDsm.addDataSourceRegistrationListener( new StoreIdSettingListener() ); | ||
| } | ||
|
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| @Override | ||
| public Slave newSlave( URI uri ) | ||
| { | ||
| return new SlaveClient( getServerId( uri ), uri.getHost(), uri.getPort(), logger, storeId, | ||
| maxConcurrentChannelsPerSlave, chunkSize ); | ||
| } | ||
|
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| private class StoreIdSettingListener extends DataSourceRegistrationListener.Adapter | ||
| { | ||
| @Override | ||
| public void registeredDataSource( XaDataSource ds ) | ||
| { | ||
| if ( ds.getName().equals( Config.DEFAULT_DATA_SOURCE_NAME ) ) | ||
| storeId = ((NeoStoreXaDataSource) ds).getStoreId(); | ||
| } | ||
| } | ||
| } |
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