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Morsel: Get index provided property values
This enables index related Operators to get the index provided property values and write them into rows.
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...nel-api/src/test/java/org/neo4j/internal/kernel/api/helpers/StubNodeValueIndexCursor.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,98 @@ | ||
| /* | ||
| * Copyright (c) 2002-2018 "Neo4j," | ||
| * Neo4j Sweden AB [http://neo4j.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.internal.kernel.api.helpers; | ||
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| import java.util.Iterator; | ||
| import java.util.List; | ||
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| import org.neo4j.helpers.collection.Pair; | ||
| import org.neo4j.internal.kernel.api.NodeCursor; | ||
| import org.neo4j.internal.kernel.api.NodeValueIndexCursor; | ||
| import org.neo4j.values.storable.Value; | ||
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| public class StubNodeValueIndexCursor implements NodeValueIndexCursor | ||
| { | ||
| Iterator<Pair<Long,List<Value>>> things; | ||
| Pair<Long,List<Value>> current = null; | ||
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| public StubNodeValueIndexCursor( Iterator<Pair<Long,List<Value>>> things ) | ||
| { | ||
| this.things = things; | ||
| } | ||
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| @Override | ||
| public void node( NodeCursor cursor ) | ||
| { | ||
| throw new UnsupportedOperationException(); | ||
| } | ||
|
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| @Override | ||
| public long nodeReference() | ||
| { | ||
| return current.first(); | ||
| } | ||
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| @Override | ||
| public boolean next() | ||
| { | ||
| if ( things.hasNext() ) | ||
| { | ||
| current = things.next(); | ||
| return true; | ||
| } | ||
| return false; | ||
| } | ||
|
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| @Override | ||
| public int numberOfProperties() | ||
| { | ||
| return current.other().size(); | ||
| } | ||
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| @Override | ||
| public int propertyKey( int offset ) | ||
| { | ||
| return 0; | ||
| } | ||
|
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| @Override | ||
| public boolean hasValue() | ||
| { | ||
| return current.other() != null; | ||
| } | ||
|
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| @Override | ||
| public Value propertyValue( int offset ) | ||
| { | ||
| return current.other().get( offset ); | ||
| } | ||
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| @Override | ||
| public void close() | ||
| { | ||
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| } | ||
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| @Override | ||
| public boolean isClosed() | ||
| { | ||
| return false; | ||
| } | ||
| } |
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