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TransactionState.java
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TransactionState.java
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/*
* 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.api.txstate;
import org.neo4j.internal.kernel.api.schema.SchemaDescriptor;
import org.neo4j.internal.kernel.api.schema.constraints.ConstraintDescriptor;
import org.neo4j.kernel.api.schema.constaints.IndexBackedConstraintDescriptor;
import org.neo4j.kernel.api.schema.index.SchemaIndexDescriptor;
import org.neo4j.storageengine.api.txstate.ReadableTransactionState;
import org.neo4j.values.storable.Value;
import org.neo4j.values.storable.ValueTuple;
/**
* Kernel transaction state, please see {@link org.neo4j.kernel.impl.api.state.TxState} for implementation details.
*
* This interface defines the mutating methods for the transaction state, methods for reading are defined in
* {@link ReadableTransactionState}. These mutating methods follow the rule that they all contain the word "Do" in the name.
* This naming convention helps deciding where to set {@link #hasChanges()} in the
* {@link org.neo4j.kernel.impl.api.state.TxState main implementation class}.
*/
public interface TransactionState extends ReadableTransactionState
{
// ENTITY RELATED
void relationshipDoCreate( long id, int relationshipTypeId, long startNodeId, long endNodeId );
void nodeDoCreate( long id );
void relationshipDoDelete( long relationshipId, int type, long startNode, long endNode );
void relationshipDoDeleteAddedInThisTx( long relationshipId );
void nodeDoDelete( long nodeId );
void nodeDoAddProperty( long nodeId, int newPropertyKeyId, Value value );
void nodeDoChangeProperty( long nodeId, int propertyKeyId, Value replacedValue, Value newValue );
void relationshipDoReplaceProperty( long relationshipId, int propertyKeyId, Value replacedValue, Value newValue );
void graphDoReplaceProperty( int propertyKeyId, Value replacedValue, Value newValue );
void nodeDoRemoveProperty( long nodeId, int propertyKeyId );
void relationshipDoRemoveProperty( long relationshipId, int propertyKeyId );
void graphDoRemoveProperty( int propertyKeyId );
void nodeDoAddLabel( int labelId, long nodeId );
void nodeDoRemoveLabel( int labelId, long nodeId );
// TOKEN RELATED
void labelDoCreateForName( String labelName, int id );
void propertyKeyDoCreateForName( String propertyKeyName, int id );
void relationshipTypeDoCreateForName( String relationshipTypeName, int id );
// SCHEMA RELATED
void indexRuleDoAdd( SchemaIndexDescriptor descriptor );
void indexDoDrop( SchemaIndexDescriptor descriptor );
boolean indexDoUnRemove( SchemaIndexDescriptor constraint );
void constraintDoAdd( ConstraintDescriptor constraint );
void constraintDoAdd( IndexBackedConstraintDescriptor constraint, long indexId );
void constraintDoDrop( ConstraintDescriptor constraint );
boolean constraintDoUnRemove( ConstraintDescriptor constraint );
void indexDoUpdateEntry( SchemaDescriptor descriptor, long nodeId, ValueTuple before, ValueTuple after );
}