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Move AnyValues.of out of values module
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111 changes: 111 additions & 0 deletions
111
...cypher/src/main/java/org/neo4j/cypher/internal/javacompat/NodeProxyWrappingNodeValue.java
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| Original file line number | Original file line | Diff line number | Diff line change |
|---|---|---|---|
| @@ -0,0 +1,111 @@ | |||
| /* | |||
| * 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.cypher.internal.javacompat; | |||
|
|
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| import java.util.ArrayList; | |||
|
|
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| import org.neo4j.graphdb.Label; | |||
| import org.neo4j.graphdb.Node; | |||
| import org.neo4j.graphdb.NotFoundException; | |||
| import org.neo4j.values.AnyValueWriter; | |||
| import org.neo4j.values.storable.TextArray; | |||
| import org.neo4j.values.storable.Values; | |||
| import org.neo4j.values.virtual.MapValue; | |||
| import org.neo4j.values.virtual.NodeValue; | |||
| import org.neo4j.values.virtual.VirtualValues; | |||
|
|
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| public class NodeProxyWrappingNodeValue extends NodeValue | |||
| { | |||
| private final Node node; | |||
| private volatile TextArray labels; | |||
| private volatile MapValue properties; | |||
|
|
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| NodeProxyWrappingNodeValue( Node node ) | |||
| { | |||
| super( node.getId() ); | |||
| this.node = node; | |||
| } | |||
|
|
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| public Node nodeProxy() | |||
| { | |||
| return node; | |||
| } | |||
|
|
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| @Override | |||
| public <E extends Exception> void writeTo( AnyValueWriter<E> writer ) throws E | |||
| { | |||
| TextArray l; | |||
| MapValue p; | |||
| try | |||
| { | |||
| l = labels(); | |||
| p = properties(); | |||
| } | |||
| catch ( NotFoundException e ) | |||
| { | |||
| l = Values.stringArray(); | |||
| p = VirtualValues.EMPTY_MAP; | |||
|
|
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| } | |||
| writer.writeNode( node.getId(), l, p ); | |||
| } | |||
|
|
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| @Override | |||
| public TextArray labels() | |||
| { | |||
| TextArray l = labels; | |||
| if ( l == null ) | |||
| { | |||
| synchronized ( this ) | |||
| { | |||
| l = labels; | |||
| if ( l == null ) | |||
| { | |||
| ArrayList<String> ls = new ArrayList<>(); | |||
| for ( Label label : node.getLabels() ) | |||
| { | |||
| ls.add( label.name() ); | |||
| } | |||
| l = labels = Values.stringArray( ls.toArray( new String[ls.size()] ) ); | |||
|
|
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| } | |||
| } | |||
| } | |||
| return l; | |||
| } | |||
|
|
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| @Override | |||
| public MapValue properties() | |||
| { | |||
| MapValue m = properties; | |||
| if ( m == null ) | |||
| { | |||
| synchronized ( this ) | |||
| { | |||
| m = properties; | |||
| if ( m == null ) | |||
| { | |||
| m = properties = ValueUtils.asMapValue( node.getAllProperties() ); | |||
| } | |||
| } | |||
| } | |||
| return m; | |||
| } | |||
| } | |||
139 changes: 139 additions & 0 deletions
139
...rc/main/java/org/neo4j/cypher/internal/javacompat/RelationshipProxyWrappingEdgeValue.java
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| Original file line number | Original file line | Diff line number | Diff line change |
|---|---|---|---|
| @@ -0,0 +1,139 @@ | |||
| /* | |||
| * 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.cypher.internal.javacompat; | |||
|
|
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| import org.neo4j.graphdb.NotFoundException; | |||
| import org.neo4j.graphdb.Relationship; | |||
| import org.neo4j.values.AnyValueWriter; | |||
| import org.neo4j.values.storable.TextValue; | |||
| import org.neo4j.values.storable.Values; | |||
| import org.neo4j.values.virtual.EdgeValue; | |||
| import org.neo4j.values.virtual.MapValue; | |||
| import org.neo4j.values.virtual.NodeValue; | |||
| import org.neo4j.values.virtual.VirtualValues; | |||
|
|
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| public class RelationshipProxyWrappingEdgeValue extends EdgeValue | |||
| { | |||
| private final Relationship relationship; | |||
| private volatile TextValue type; | |||
| private volatile MapValue properties; | |||
| private volatile NodeValue startNode; | |||
| private volatile NodeValue endNode; | |||
|
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| RelationshipProxyWrappingEdgeValue( Relationship relationship ) | |||
| { | |||
| super( relationship.getId() ); | |||
| this.relationship = relationship; | |||
| } | |||
|
|
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| public Relationship relationshipProxy() | |||
| { | |||
| return relationship; | |||
| } | |||
|
|
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| @Override | |||
| public <E extends Exception> void writeTo( AnyValueWriter<E> writer ) throws E | |||
| { | |||
| MapValue p; | |||
| try | |||
| { | |||
| p = properties(); | |||
| } | |||
| catch ( NotFoundException e ) | |||
| { | |||
| p = VirtualValues.EMPTY_MAP; | |||
|
|
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| } | |||
| writer.writeEdge( id(), startNode().id(), endNode().id(), type(), p ); | |||
| } | |||
|
|
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| @Override | |||
| public NodeValue startNode() | |||
| { | |||
| NodeValue start = startNode; | |||
| if ( start == null ) | |||
| { | |||
| synchronized ( this ) | |||
| { | |||
| start = startNode; | |||
| if ( start == null ) | |||
| { | |||
| start = startNode = ValueUtils.fromNodeProxy( relationship.getStartNode() ); | |||
| } | |||
| } | |||
| } | |||
| return start; | |||
| } | |||
|
|
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| @Override | |||
| public NodeValue endNode() | |||
| { | |||
| NodeValue end = endNode; | |||
| if ( end == null ) | |||
| { | |||
| synchronized ( this ) | |||
| { | |||
| end = endNode; | |||
| if ( end == null ) | |||
| { | |||
| end = endNode = ValueUtils.fromNodeProxy( relationship.getEndNode() ); | |||
| } | |||
| } | |||
| } | |||
| return end; | |||
| } | |||
|
|
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| @Override | |||
| public TextValue type() | |||
| { | |||
| TextValue t = type; | |||
| if ( t == null ) | |||
| { | |||
| synchronized ( this ) | |||
| { | |||
| t = type; | |||
| if ( t == null ) | |||
| { | |||
| t = type = Values.stringValue( relationship.getType().name() ); | |||
| } | |||
| } | |||
| } | |||
| return t; | |||
| } | |||
|
|
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| @Override | |||
| public MapValue properties() | |||
| { | |||
| MapValue m = properties; | |||
| if ( m == null ) | |||
| { | |||
| synchronized ( this ) | |||
| { | |||
| m = properties; | |||
| if ( m == null ) | |||
| { | |||
| m = properties = ValueUtils.asMapValue( relationship.getAllProperties() ); | |||
| } | |||
| } | |||
| } | |||
| return m; | |||
| } | |||
| } | |||
|
|
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