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Minor cleaup IndexReference vs CapableIndexReference
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100 changes: 100 additions & 0 deletions
100
community/kernel/src/main/java/org/neo4j/kernel/impl/api/store/DefaultIndexReference.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| /* | ||
| * Copyright (c) 2002-2018 "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.impl.api.store; | ||
|
|
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| import java.util.Arrays; | ||
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| import org.neo4j.internal.kernel.api.IndexReference; | ||
| import org.neo4j.internal.kernel.api.schema.LabelSchemaDescriptor; | ||
| import org.neo4j.kernel.api.schema.index.SchemaIndexDescriptor; | ||
|
|
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| public class DefaultIndexReference implements IndexReference | ||
| { | ||
| private final boolean unique; | ||
| private final int label; | ||
| private final int[] properties; | ||
|
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| private DefaultIndexReference( boolean unique, int label, int[] properties ) | ||
| { | ||
| this.unique = unique; | ||
| this.label = label; | ||
| this.properties = properties; | ||
| } | ||
|
|
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| @Override | ||
| public boolean isUnique() | ||
| { | ||
| return unique; | ||
| } | ||
|
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| @Override | ||
| public int label() | ||
| { | ||
| return label; | ||
| } | ||
|
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| @Override | ||
| public int[] properties() | ||
| { | ||
| return properties; | ||
| } | ||
|
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| public static IndexReference unique( int label, int...properties ) | ||
| { | ||
| return new DefaultIndexReference( true, label, properties ); | ||
| } | ||
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| public static IndexReference general( int label, int...properties ) | ||
| { | ||
| return new DefaultIndexReference( false, label, properties ); | ||
| } | ||
|
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| public static IndexReference fromDescriptor( SchemaIndexDescriptor descriptor ) | ||
| { | ||
| boolean unique = descriptor.type() == SchemaIndexDescriptor.Type.UNIQUE; | ||
| LabelSchemaDescriptor schema = descriptor.schema(); | ||
| return new DefaultIndexReference( unique, schema.getLabelId(), schema.getPropertyIds() ); | ||
| } | ||
|
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| @Override | ||
| public boolean equals( Object o ) | ||
| { | ||
| if ( this == o ) | ||
| { | ||
| return true; | ||
| } | ||
| if ( o == null || getClass() != o.getClass() ) | ||
| { | ||
| return false; | ||
| } | ||
|
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| DefaultIndexReference that = (DefaultIndexReference) o; | ||
| return unique == that.unique && label == that.label && Arrays.equals( properties, that.properties ); | ||
| } | ||
|
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| @Override | ||
| public int hashCode() | ||
| { | ||
| int result = unique ? 1 : 0; | ||
| result = 31 * result + label; | ||
| result = 31 * result + Arrays.hashCode( properties ); | ||
| return result; | ||
| } | ||
| } |
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