| /* |
| * Copyright (c) 1998, 2019 Oracle and/or its affiliates. All rights reserved. |
| * |
| * This program and the accompanying materials are made available under the |
| * terms of the Eclipse Public License v. 2.0 which is available at |
| * http://www.eclipse.org/legal/epl-2.0, |
| * or the Eclipse Distribution License v. 1.0 which is available at |
| * http://www.eclipse.org/org/documents/edl-v10.php. |
| * |
| * SPDX-License-Identifier: EPL-2.0 OR BSD-3-Clause |
| */ |
| |
| // Contributors: |
| // Oracle - initial API and implementation from Oracle TopLink |
| package org.eclipse.persistence.internal.expressions; |
| |
| import static org.eclipse.persistence.expressions.ExpressionOperator.SDO_FILTER; |
| import static org.eclipse.persistence.expressions.ExpressionOperator.SDO_NN; |
| import static org.eclipse.persistence.expressions.ExpressionOperator.SDO_RELATE; |
| import static org.eclipse.persistence.expressions.ExpressionOperator.SDO_WITHIN_DISTANCE; |
| |
| import org.eclipse.persistence.expressions.ExpressionOperator; |
| |
| /** |
| * INTERNAL: |
| * This class produces a number of ExpressionOperators for spatial classes |
| * The static methods in this class are used by Oracle9Platform to initialize |
| * these operators. |
| * |
| * @see "org.eclipse.persistence.platform.database.oracle.Oracle9Plaform.initializePlatformOperators()" |
| * |
| */ |
| public class SpatialExpressionOperators { |
| |
| /** |
| * ExpressionOperator for the MDSYS.SDO_WITHIN_DISTANCE Spatial Operator on the Oracle Database |
| * Use of this operator requires the Java spatial classes |
| * @return |
| */ |
| public static ExpressionOperator withinDistance() { |
| ExpressionOperator operator = ExpressionOperator.simpleThreeArgumentFunction(SDO_WITHIN_DISTANCE, "MDSYS.SDO_WITHIN_DISTANCE"); |
| operator.bePrefix(); |
| return operator; |
| } |
| |
| /** |
| * ExpressionOperator for the MDSYS.MDSYS.SDO_RELATE Spatial Operator on the Oracle Database |
| * Use of this operator requires the Java spatial classes |
| * @return |
| */ |
| public static ExpressionOperator relate() { |
| ExpressionOperator operator = ExpressionOperator.simpleThreeArgumentFunction(SDO_RELATE, "MDSYS.SDO_RELATE"); |
| operator.bePrefix(); |
| return operator; |
| } |
| |
| /** |
| * ExpressionOperator for the MDSYS.SDO_FILTER Spatial Operator on the Oracle Database |
| * Use of this operator requires the Java spatial classes |
| * @return |
| */ |
| public static ExpressionOperator filter() { |
| ExpressionOperator operator = ExpressionOperator.simpleThreeArgumentFunction(SDO_FILTER, "MDSYS.SDO_FILTER"); |
| operator.bePrefix(); |
| return operator; |
| } |
| |
| /** |
| * ExpressionOperator for the MDSYS.SDO_NN Spatial Operator on the Oracle Database |
| * Use of this operator requires the Java spatial classes |
| * @return |
| */ |
| public static ExpressionOperator nearestNeighbor() { |
| ExpressionOperator operator = ExpressionOperator.simpleThreeArgumentFunction(SDO_NN, "MDSYS.SDO_NN"); |
| operator.bePrefix(); |
| return operator; |
| } |
| } |