Many resources are needed to download a project. Please understand that we have to compensate our server costs. Thank you in advance. Project price only 1 $
You can buy this project and download/modify it how often you want.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* // Copyright (c) 1998, 2007, Oracle. All rights reserved.
*
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can obtain
* a copy of the License at https://glassfish.dev.java.net/public/CDDL+GPL.html
* or glassfish/bootstrap/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at glassfish/bootstrap/legal/LICENSE.txt.
* Sun designates this particular file as subject to the "Classpath" exception
* as provided by Sun in the GPL Version 2 section of the License file that
* accompanied this code. If applicable, add the following below the License
* Header, with the fields enclosed by brackets [] replaced by your own
* identifying information: "Portions Copyrighted [year]
* [name of copyright owner]"
*
* Contributor(s):
*
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package oracle.toplink.essentials.internal.expressions;
import oracle.toplink.essentials.exceptions.*;
import oracle.toplink.essentials.queryframework.*;
import oracle.toplink.essentials.expressions.*;
import oracle.toplink.essentials.internal.sessions.AbstractRecord;
import oracle.toplink.essentials.internal.sessions.AbstractSession;
import oracle.toplink.essentials.descriptors.ClassDescriptor;
/**
* Used for logical AND and OR. This is not used by NOT.
*/
public class LogicalExpression extends CompoundExpression {
/**
* LogicalExpression constructor comment.
*/
public LogicalExpression() {
super();
}
/**
* INTERNAL:
* Used for debug printing.
*/
public String descriptionOfNodeType() {
return "Logical";
}
/**
* INTERNAL:
* Check if the object conforms to the expression in memory.
* This is used for in-memory querying.
* If the expression in not able to determine if the object conform throw a not supported exception.
*/
public boolean doesConform(Object object, AbstractSession session, AbstractRecord translationRow, InMemoryQueryIndirectionPolicy valueHolderPolicy, boolean objectIsUnregistered) {
// This should always be and or or.
if (getOperator().getSelector() == ExpressionOperator.And) {
return getFirstChild().doesConform(object, session, translationRow, valueHolderPolicy, objectIsUnregistered) && getSecondChild().doesConform(object, session, translationRow, valueHolderPolicy, objectIsUnregistered);
} else if (getOperator().getSelector() == ExpressionOperator.Or) {
return getFirstChild().doesConform(object, session, translationRow, valueHolderPolicy, objectIsUnregistered) || getSecondChild().doesConform(object, session, translationRow, valueHolderPolicy, objectIsUnregistered);
}
throw QueryException.cannotConformExpression();
}
/**
* INTERNAL:
* Extract the primary key from the expression into the row.
* Ensure that the query is quering the exact primary key.
* Return false if not on the primary key.
*/
public boolean extractPrimaryKeyValues(boolean requireExactMatch, ClassDescriptor descriptor, AbstractRecord primaryKeyRow, AbstractRecord translationRow) {
// If this is a primary key expression then it can only have and/or relationships.
if (getOperator().getSelector() != ExpressionOperator.And) {
// If this is an exact primary key expression it can not have ors.
// After fixing bug 2782991 this must now work correctly.
if (requireExactMatch || (getOperator().getSelector() != ExpressionOperator.Or)) {
return false;
}
}
boolean validExpression = getFirstChild().extractPrimaryKeyValues(requireExactMatch, descriptor, primaryKeyRow, translationRow);
if (requireExactMatch && (!validExpression)) {
return false;
}
return getSecondChild().extractPrimaryKeyValues(requireExactMatch, descriptor, primaryKeyRow, translationRow);
}
/**
* INTERNAL:
*/
public boolean isLogicalExpression() {
return true;
}
}
