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Lazy load relations and cached query optimization
Signed-off-by: ntisseyre <[email protected]>
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66 changes: 66 additions & 0 deletions
66
...ph-backend-testutils/src/main/java/org/janusgraph/graphdb/database/LazyLoadGraphTest.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| // Copyright 2024 JanusGraph Authors | ||
| // | ||
| // 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. | ||
|
|
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| package org.janusgraph.graphdb.database; | ||
|
|
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| import org.apache.tinkerpop.gremlin.process.traversal.TraversalStrategies; | ||
| import org.apache.tinkerpop.gremlin.structure.Graph; | ||
| import org.janusgraph.graphdb.configuration.GraphDatabaseConfiguration; | ||
| import org.janusgraph.graphdb.tinkerpop.optimize.strategy.AdjacentVertexFilterOptimizerStrategy; | ||
| import org.janusgraph.graphdb.tinkerpop.optimize.strategy.AdjacentVertexHasIdOptimizerStrategy; | ||
| import org.janusgraph.graphdb.tinkerpop.optimize.strategy.AdjacentVertexHasUniquePropertyOptimizerStrategy; | ||
| import org.janusgraph.graphdb.tinkerpop.optimize.strategy.AdjacentVertexIsOptimizerStrategy; | ||
| import org.janusgraph.graphdb.tinkerpop.optimize.strategy.JanusGraphHasStepStrategy; | ||
| import org.janusgraph.graphdb.tinkerpop.optimize.strategy.JanusGraphIoRegistrationStrategy; | ||
| import org.janusgraph.graphdb.tinkerpop.optimize.strategy.JanusGraphLocalQueryOptimizerStrategy; | ||
| import org.janusgraph.graphdb.tinkerpop.optimize.strategy.JanusGraphMixedIndexAggStrategy; | ||
| import org.janusgraph.graphdb.tinkerpop.optimize.strategy.JanusGraphMixedIndexCountStrategy; | ||
| import org.janusgraph.graphdb.tinkerpop.optimize.strategy.JanusGraphMultiQueryStrategy; | ||
| import org.janusgraph.graphdb.tinkerpop.optimize.strategy.JanusGraphStepStrategy; | ||
| import org.janusgraph.graphdb.tinkerpop.optimize.strategy.JanusGraphUnusedMultiQueryRemovalStrategy; | ||
| import org.janusgraph.graphdb.transaction.StandardTransactionBuilder; | ||
|
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| public class LazyLoadGraphTest extends StandardJanusGraph { | ||
|
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| static { | ||
| TraversalStrategies graphStrategies = | ||
| TraversalStrategies.GlobalCache.getStrategies(Graph.class) | ||
| .clone() | ||
| .addStrategies(AdjacentVertexFilterOptimizerStrategy.instance(), | ||
| AdjacentVertexHasIdOptimizerStrategy.instance(), | ||
| AdjacentVertexIsOptimizerStrategy.instance(), | ||
| AdjacentVertexHasUniquePropertyOptimizerStrategy.instance(), | ||
| JanusGraphLocalQueryOptimizerStrategy.instance(), | ||
| JanusGraphHasStepStrategy.instance(), | ||
| JanusGraphMultiQueryStrategy.instance(), | ||
| JanusGraphUnusedMultiQueryRemovalStrategy.instance(), | ||
| JanusGraphMixedIndexAggStrategy.instance(), | ||
| JanusGraphMixedIndexCountStrategy.instance(), | ||
| JanusGraphStepStrategy.instance(), | ||
| JanusGraphIoRegistrationStrategy.instance()); | ||
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| //Register with cache | ||
| TraversalStrategies.GlobalCache.registerStrategies(LazyLoadGraphTest.class, graphStrategies); | ||
| } | ||
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| public LazyLoadGraphTest(GraphDatabaseConfiguration configuration) { | ||
| super(configuration); | ||
| } | ||
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| @Override | ||
| public StandardTransactionBuilder buildTransaction() { | ||
| return (StandardTransactionBuilder) new StandardTransactionBuilder(getConfiguration(), this) | ||
| .lazyLoadRelations(); | ||
| } | ||
| } |
55 changes: 55 additions & 0 deletions
55
janusgraph-core/src/main/java/org/janusgraph/core/JanusGraphLazyEdge.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,55 @@ | ||
| // Copyright 2024 JanusGraph Authors | ||
| // | ||
| // 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. | ||
|
|
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| package org.janusgraph.core; | ||
|
|
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| import org.apache.tinkerpop.gremlin.structure.Direction; | ||
| import org.apache.tinkerpop.gremlin.structure.Vertex; | ||
| import org.janusgraph.diskstorage.Entry; | ||
| import org.janusgraph.graphdb.internal.InternalRelation; | ||
| import org.janusgraph.graphdb.internal.InternalRelationType; | ||
| import org.janusgraph.graphdb.internal.InternalVertex; | ||
| import org.janusgraph.graphdb.transaction.StandardJanusGraphTx; | ||
|
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| public class JanusGraphLazyEdge extends JanusGraphLazyRelation implements JanusGraphEdge { | ||
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| public JanusGraphLazyEdge(InternalRelation janusGraphRelation, | ||
| final InternalVertex vertex, | ||
| final StandardJanusGraphTx tx, | ||
| final InternalRelationType type) { | ||
| super(janusGraphRelation, vertex, tx, type); | ||
| } | ||
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| public JanusGraphLazyEdge(Entry dataEntry, | ||
| final InternalVertex vertex, | ||
| final StandardJanusGraphTx tx, | ||
| final InternalRelationType type) { | ||
| super(dataEntry, vertex, tx, type); | ||
| } | ||
|
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| private JanusGraphEdge loadEdge() { | ||
| assert this.isEdge(); | ||
| return (JanusGraphEdge) this.loadValue(); | ||
| } | ||
|
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| @Override | ||
| public JanusGraphVertex vertex(Direction dir) { | ||
| return this.loadEdge().vertex(dir); | ||
| } | ||
|
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| @Override | ||
| public JanusGraphVertex otherVertex(Vertex vertex) { | ||
| return this.loadEdge().otherVertex(vertex); | ||
| } | ||
| } |
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