| /* |
| * Copyright (c) 1998, 2020 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 org.eclipse.persistence.internal.databaseaccess.DatasourcePlatform; |
| import org.eclipse.persistence.internal.helper.*; |
| import org.eclipse.persistence.mappings.*; |
| |
| public class NestedTable extends DatabaseTable { |
| //the handle of the queryKey |
| private QueryKeyExpression queryKeyExpression; |
| |
| public NestedTable() { |
| super(); |
| } |
| |
| public NestedTable(QueryKeyExpression queryKeyExpression) { |
| super(); |
| this.queryKeyExpression = queryKeyExpression; |
| setName((queryKeyExpression.getMapping().getDescriptor().getTables().firstElement()).getName()); |
| tableQualifier = (queryKeyExpression.getMapping().getDescriptor().getTables().firstElement()).getQualifiedName(); |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| public String getQualifiedName(DatasourcePlatform platform) { |
| return getQualifiedName(platform, false); |
| } |
| |
| /** |
| * INTERNAL: |
| */ |
| @Override |
| public String getQualifiedNameDelimited(DatasourcePlatform platform) { |
| return getQualifiedName(platform, true); |
| } |
| |
| private String getQualifiedName(DatasourcePlatform platform, boolean allowDelimiters){ |
| if (qualifiedName == null) { |
| // Print nested table using the TABLE function. |
| DatabaseMapping mapping = queryKeyExpression.getMapping(); |
| DatabaseTable nestedTable = mapping.getDescriptor().getTables().firstElement(); |
| DatabaseTable tableAlias = queryKeyExpression.getBaseExpression().aliasForTable(nestedTable); |
| |
| StringBuilder name = new StringBuilder(); |
| name.append("TABLE("); |
| if (allowDelimiters && useDelimiters){ |
| name.append(platform.getStartDelimiter()); |
| } |
| name.append(tableAlias.getName()); |
| if (allowDelimiters && useDelimiters){ |
| name.append(platform.getEndDelimiter()); |
| } |
| name.append("."); |
| if (allowDelimiters && useDelimiters){ |
| name.append(platform.getStartDelimiter()); |
| } |
| name.append(mapping.getField().getNameDelimited(platform)); |
| if (allowDelimiters && useDelimiters){ |
| name.append(platform.getEndDelimiter()); |
| } |
| name.append(")"); |
| |
| qualifiedName = name.toString(); |
| } |
| |
| return qualifiedName; |
| } |
| |
| public QueryKeyExpression getQuerykeyExpression() { |
| return queryKeyExpression; |
| } |
| |
| public void setQuerykeyExpression(QueryKeyExpression queryKeyExpression) { |
| this.queryKeyExpression = queryKeyExpression; |
| } |
| } |