/******************************************************************************* | |
* Copyright (c) 1998, 2013 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 v1.0 and Eclipse Distribution License v. 1.0 | |
* which accompanies this distribution. | |
* The Eclipse Public License is available at http://www.eclipse.org/legal/epl-v10.html | |
* and the Eclipse Distribution License is available at | |
* http://www.eclipse.org/org/documents/edl-v10.php. | |
* | |
* 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: | |
*/ | |
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); | |
StringBuffer name = new StringBuffer(); | |
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; | |
} | |
} |