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com.backendless.transaction.RelationOperationImpl Maven / Gradle / Ivy
package com.backendless.transaction;
import com.backendless.Persistence;
import com.backendless.exceptions.ExceptionMessage;
import com.backendless.persistence.BackendlessSerializer;
import com.backendless.transaction.payload.Relation;
import java.util.Collections;
import java.util.List;
import java.util.Map;
class RelationOperationImpl implements RelationOperation
{
private final List operations;
private final OpResultIdGenerator opResultIdGenerator;
public RelationOperationImpl( List operations, OpResultIdGenerator opResultIdGenerator )
{
this.operations = operations;
this.opResultIdGenerator = opResultIdGenerator;
}
@Override
public OpResult addOperation( OperationType operationType, String parentTable, Map parentObject,
String columnName, String[] childrenObjectIds )
{
String parentObjectId = TransactionHelper.convertObjectMapToObjectId( parentObject );
if( childrenObjectIds == null || childrenObjectIds.length == 0 )
throw new IllegalArgumentException( ExceptionMessage.NULL_EMPTY_BULK );
return addOperation( operationType, parentTable, parentObjectId, columnName, null, childrenObjectIds );
}
@Override
public OpResult addOperation( OperationType operationType, String parentTable,
Map parentObject, String columnName, E[] childrenInstances )
{
if( childrenInstances == null || childrenInstances.length == 0 )
throw new IllegalArgumentException( ExceptionMessage.NULL_EMPTY_BULK );
if( childrenInstances[ 0 ] instanceof String )
{
String[] childrenObjectIds = (String[]) childrenInstances;
return addOperation( operationType, parentTable, parentObject, columnName, childrenObjectIds );
}
String parentObjectId = TransactionHelper.convertObjectMapToObjectId( parentObject );
return addOperation( operationType, parentTable, parentObjectId, columnName, childrenInstances );
}
@Override
public OpResult addOperation( OperationType operationType, String parentTable,
Map parentObject, String columnName, List> childrenMaps )
{
String parentObjectId = TransactionHelper.convertObjectMapToObjectId( parentObject );
return addOperation( operationType, parentTable, parentObjectId, columnName, childrenMaps );
}
@Override
public OpResult addOperation( OperationType operationType, String parentTable,
Map parentObject, String columnName, OpResult children )
{
String parentObjectId = TransactionHelper.convertObjectMapToObjectId( parentObject );
return addOperation( operationType, parentTable, parentObjectId, columnName, children );
}
@Override
public OpResult addOperation( OperationType operationType, String parentTable, Map parentObject,
String columnName, String whereClauseForChildren )
{
String parentObjectId = TransactionHelper.convertObjectMapToObjectId( parentObject );
return addOperation( operationType, parentTable, parentObjectId, columnName, whereClauseForChildren );
}
@Override
public OpResult addOperation( OperationType operationType, String parentTable, String parentObjectId,
String columnName, String[] childrenObjectIds )
{
if( childrenObjectIds == null || childrenObjectIds.length == 0 )
throw new IllegalArgumentException( ExceptionMessage.NULL_EMPTY_BULK );
return addOperation( operationType, parentTable, parentObjectId, columnName, null, childrenObjectIds );
}
@Override
public OpResult addOperation( OperationType operationType, String parentTable, String parentObjectId,
String columnName, E[] childrenInstances )
{
if( childrenInstances == null || childrenInstances.length == 0 )
throw new IllegalArgumentException( ExceptionMessage.NULL_EMPTY_BULK );
if( childrenInstances[ 0 ] instanceof String )
{
String[] childrenObjectIds = (String[]) childrenInstances;
return addOperation( operationType, parentTable, parentObjectId, columnName, childrenObjectIds );
}
List childrenIds = getChildrenFromArrayInstances( childrenInstances );
return addOperation( operationType, parentTable, parentObjectId, columnName,
null, childrenIds );
}
@Override
public OpResult addOperation( OperationType operationType, String parentTable, String parentObjectId,
String columnName, List> childrenMaps )
{
List childrenIds = getChildrenFromListMap( childrenMaps );
return addOperation( operationType, parentTable, parentObjectId, columnName,
null, childrenIds );
}
@Override
public OpResult addOperation( OperationType operationType, String parentTable, String parentObjectId,
String columnName, OpResult children )
{
return addOperation( operationType, parentTable, parentObjectId, columnName,
null, makeChildren( children ) );
}
@Override
public OpResult addOperation( OperationType operationType, String parentTable, String parentObjectId,
String columnName, String whereClauseForChildren )
{
return addOperation( operationType, parentTable, parentObjectId, columnName,
whereClauseForChildren, null );
}
@Override
public OpResult addOperation( OperationType operationType, E parentObject, String columnName,
String[] childrenObjectIds )
{
String parentObjectId = getParentObjectIdFromInstance( parentObject );
String parentTable = BackendlessSerializer.getSimpleName( parentObject.getClass() );
if( childrenObjectIds == null || childrenObjectIds.length == 0 )
throw new IllegalArgumentException( ExceptionMessage.NULL_EMPTY_BULK );
return addOperation( operationType, parentTable, parentObjectId, columnName, null, childrenObjectIds );
}
@Override
public OpResult addOperation( OperationType operationType, E parentObject, String columnName, U[] childrenInstances )
{
if( childrenInstances == null || childrenInstances.length == 0 )
throw new IllegalArgumentException( ExceptionMessage.NULL_EMPTY_BULK );
if( childrenInstances[ 0 ] instanceof String )
{
String[] childrenObjectIds = (String[]) childrenInstances;
return addOperation( operationType, parentObject, columnName, childrenObjectIds );
}
String parentObjectId = getParentObjectIdFromInstance( parentObject );
String parentTable = BackendlessSerializer.getSimpleName( parentObject.getClass() );
List childrenIds = getChildrenFromArrayInstances( childrenInstances );
return addOperation( operationType, parentTable, parentObjectId, columnName, null, childrenIds );
}
@Override
public OpResult addOperation( OperationType operationType, E parentObject, String columnName, List> childrenMaps )
{
String parentObjectId = getParentObjectIdFromInstance( parentObject );
String parentTable = BackendlessSerializer.getSimpleName( parentObject.getClass() );
List childrenIds = getChildrenFromListMap( childrenMaps );
return addOperation( operationType, parentTable, parentObjectId, columnName, null, childrenIds );
}
@Override
public OpResult addOperation( OperationType operationType, E parentObject, String columnName,
OpResult children )
{
String parentObjectId = getParentObjectIdFromInstance( parentObject );
String parentTable = BackendlessSerializer.getSimpleName( parentObject.getClass() );
return addOperation( operationType, parentTable, parentObjectId, columnName,
null, makeChildren( children ) );
}
@Override
public OpResult addOperation( OperationType operationType, E parentObject, String columnName,
String whereClauseForChildren )
{
String parentObjectId = getParentObjectIdFromInstance( parentObject );
String parentTable = BackendlessSerializer.getSimpleName( parentObject.getClass() );
return addOperation( operationType, parentTable, parentObjectId, columnName, whereClauseForChildren, null );
}
@Override
public OpResult addOperation( OperationType operationType, OpResult parentObject, String columnName,
String[] childrenObjectIds )
{
if( childrenObjectIds == null || childrenObjectIds.length == 0 )
throw new IllegalArgumentException( ExceptionMessage.NULL_EMPTY_BULK );
return addOperation( operationType, parentObject.getTableName(),
parentObject.resolveTo( Persistence.DEFAULT_OBJECT_ID_FIELD ).makeReference(),
columnName, null, childrenObjectIds );
}
@Override
public OpResult addOperation( OperationType operationType, OpResult parentObject, String columnName, E[] childrenInstances )
{
if( childrenInstances == null || childrenInstances.length == 0 )
throw new IllegalArgumentException( ExceptionMessage.NULL_EMPTY_BULK );
if( childrenInstances[ 0 ] instanceof String )
{
String[] childrenObjectIds = (String[]) childrenInstances;
return addOperation( operationType, parentObject, columnName, childrenObjectIds );
}
checkOpResultFoParent( parentObject );
List childrenIds = getChildrenFromArrayInstances( childrenInstances );
return addOperation( operationType, parentObject.getTableName(),
parentObject.resolveTo( Persistence.DEFAULT_OBJECT_ID_FIELD ).makeReference(),
columnName, null, childrenIds );
}
@Override
public OpResult addOperation( OperationType operationType, OpResult parentObject,
String columnName, List> childrenMaps )
{
checkOpResultFoParent( parentObject );
List childrenIds = getChildrenFromListMap( childrenMaps );
return addOperation( operationType, parentObject.getTableName(),
parentObject.resolveTo( Persistence.DEFAULT_OBJECT_ID_FIELD ).makeReference(),
columnName, null, childrenIds );
}
@Override
public OpResult addOperation( OperationType operationType, OpResult parentObject,
String columnName, OpResult children )
{
checkOpResultFoParent( parentObject );
return addOperation( operationType, parentObject.getTableName(),
parentObject.resolveTo( Persistence.DEFAULT_OBJECT_ID_FIELD ).makeReference(),
columnName, null, makeChildren( children ) );
}
@Override
public OpResult addOperation( OperationType operationType, OpResult parentObject,
String columnName, String whereClauseForChildren )
{
checkOpResultFoParent( parentObject );
return addOperation( operationType, parentObject.getTableName(),
parentObject.resolveTo( Persistence.DEFAULT_OBJECT_ID_FIELD ).makeReference(),
columnName, whereClauseForChildren, null );
}
@Override
public OpResult addOperation( OperationType operationType, OpResultValueReference parentObject, String columnName,
String[] childrenObjectIds )
{
Map referenceToObjectId = getReferenceToParentFromOpResultValue( parentObject );
if( childrenObjectIds == null || childrenObjectIds.length == 0 )
throw new IllegalArgumentException( ExceptionMessage.NULL_EMPTY_BULK );
return addOperation( operationType, parentObject.getOpResult().getTableName(), referenceToObjectId, columnName,
null, childrenObjectIds );
}
@Override
public OpResult addOperation( OperationType operationType, OpResultValueReference parentObject,
String columnName, E[] childrenInstances )
{
if( childrenInstances == null || childrenInstances.length == 0 )
throw new IllegalArgumentException( ExceptionMessage.NULL_EMPTY_BULK );
if( childrenInstances[ 0 ] instanceof String )
{
String[] childrenObjectIds = (String[]) childrenInstances;
return addOperation( operationType, parentObject, columnName, childrenObjectIds );
}
Map referenceToObjectId = getReferenceToParentFromOpResultValue( parentObject );
List childrenIds = getChildrenFromArrayInstances( childrenInstances );
return addOperation( operationType, parentObject.getOpResult().getTableName(), referenceToObjectId, columnName,
null, childrenIds );
}
@Override
public OpResult addOperation( OperationType operationType, OpResultValueReference parentObject,
String columnName, List> childrenMaps )
{
Map referenceToObjectId = getReferenceToParentFromOpResultValue( parentObject );
List childrenIds = getChildrenFromListMap( childrenMaps );
return addOperation( operationType, parentObject.getOpResult().getTableName(), referenceToObjectId, columnName,
null, childrenIds );
}
@Override
public OpResult addOperation( OperationType operationType, OpResultValueReference parentObject,
String columnName, OpResult children )
{
Map referenceToObjectId = getReferenceToParentFromOpResultValue( parentObject );
return addOperation( operationType, parentObject.getOpResult().getTableName(), referenceToObjectId, columnName,
null, makeChildren( children ) );
}
@Override
public OpResult addOperation( OperationType operationType, OpResultValueReference parentObject,
String columnName, String whereClauseForChildren )
{
Map referenceToObjectId = getReferenceToParentFromOpResultValue( parentObject );
return addOperation( operationType, parentObject.getOpResult().getTableName(), referenceToObjectId, columnName,
whereClauseForChildren, null );
}
private OpResult addOperation( OperationType operationType, String parentTable, Object parentObject,
String columnName, String whereClauseForChildren, Object children )
{
if( parentTable == null || parentTable.equals( "" ) )
throw new IllegalArgumentException( ExceptionMessage.NULL_PARENT_TABLE_NAME );
if( columnName == null || columnName.equals( "" ) )
throw new IllegalArgumentException( ExceptionMessage.NULL_RELATION_COLUMN_NAME );
String operationResultId = opResultIdGenerator.generateOpResultId( operationType, parentTable );
Relation relation = new Relation();
relation.setParentObject( parentObject );
relation.setRelationColumn( columnName );
relation.setConditional( whereClauseForChildren );
relation.setUnconditional( children );
switch( operationType )
{
case ADD_RELATION:
operations.add( new OperationAddRelation( operationType, parentTable, operationResultId, relation ) );
break;
case SET_RELATION:
operations.add( new OperationSetRelation( operationType, parentTable, operationResultId, relation ) );
break;
case DELETE_RELATION:
operations.add( new OperationDeleteRelation( operationType, parentTable, operationResultId, relation ) );
break;
}
return TransactionHelper.makeOpResult( parentTable, operationResultId, operationType );
}
private void checkOpResultFoParent( OpResult parentObject )
{
if( parentObject == null )
throw new IllegalArgumentException( ExceptionMessage.NULL_OP_RESULT );
if( !OperationType.supportEntityDescriptionResultType.contains( parentObject.getOperationType() ) )
throw new IllegalArgumentException( ExceptionMessage.REF_TYPE_NOT_SUPPORT );
}
private String getParentObjectIdFromInstance( E parentObject )
{
if( parentObject == null )
throw new IllegalArgumentException( ExceptionMessage.NULL_ENTITY );
String parentObjectId = Persistence.getEntityId( parentObject );
if( parentObjectId == null )
throw new IllegalArgumentException( ExceptionMessage.NULL_OBJECT_ID_IN_INSTANCE );
return parentObjectId;
}
private Map getReferenceToParentFromOpResultValue( OpResultValueReference parentObject )
{
if( parentObject == null )
throw new IllegalArgumentException( ExceptionMessage.NULL_OP_RESULT_VALUE_REFERENCE );
if( parentObject.getResultIndex() == null || parentObject.getPropName() != null )
throw new IllegalArgumentException( ExceptionMessage.OP_RESULT_INDEX_YES_PROP_NAME_NOT );
return TransactionHelper.convertCreateBulkOrFindResultIndexToObjectId( parentObject );
}
private Object makeChildren( OpResult children )
{
if( children == null )
throw new IllegalArgumentException( ExceptionMessage.NULL_OP_RESULT );
if( OperationType.supportCollectionEntityDescriptionType.contains( children.getOperationType() )
|| OperationType.supportListIdsResultType.contains( children.getOperationType() ) )
{
return children.makeReference();
}
else if( OperationType.supportEntityDescriptionResultType.contains( children.getOperationType() ) )
{
return Collections.singletonList( children.resolveTo( Persistence.DEFAULT_OBJECT_ID_FIELD ).makeReference() );
}
else
{
throw new IllegalArgumentException( ExceptionMessage.REF_TYPE_NOT_SUPPORT );
}
}
private List getChildrenFromListMap( List> childrenMaps )
{
if( childrenMaps == null || childrenMaps.isEmpty() )
throw new IllegalArgumentException( ExceptionMessage.NULL_EMPTY_BULK );
return TransactionHelper.convertMapsToObjectIds( childrenMaps );
}
private List getChildrenFromArrayInstances( E[] children )
{
if( children == null || children.length == 0 )
throw new IllegalArgumentException( ExceptionMessage.NULL_EMPTY_BULK );
return TransactionHelper.getObjectIdsFromListInstances( children );
}
}
