/*
* Copyright 2003 Draagon Software LLC. All Rights Reserved.
*
* This software is the proprietary information of Draagon Software LLC.
* Use is subject to license terms.
*/
package com.draagon.meta.manager;
import java.util.Collection;
import com.draagon.meta.MetaField;
import com.draagon.meta.manager.exp.Expression;
import com.draagon.meta.manager.exp.Range;
import com.draagon.meta.manager.exp.SortOrder;
/**
* Provides a mechanism to pass options into object requests
* for the ObjectManagers.
*/
public class QueryOptions
{
private boolean mDistinct = false;
private Expression mExp = null;
private SortOrder mOrder = null;
private Range mRange = null;
//private boolean mWriteableOnly = false;
private Collection<MetaField> mFields = null;
private boolean mWithLock = false;
public QueryOptions()
{
}
public QueryOptions( Expression exp )
{
this( exp, null );
}
public QueryOptions( Expression exp, SortOrder order )
{
this( exp, order, null );
//mExp = exp;
//mOrder = order;
}
//public QueryOptions( SortOrder order )
//{
// mOrder = order;
//}
public QueryOptions( Expression exp, SortOrder order, Range range )
{
setExpression( exp );
setSortOrder( order );
setRange( range );
}
//public QueryOptions( SortOrder order, Range range )
//{
// mOrder = order;
// mRange = range;
//}
//public QueryOptions( Range range )
//{
// mRange = range;
//}
//public QueryOptions( Expression exp, Range range )
//{
// mExp = exp;
// mRange = range;
//}
public void setExpression( Expression exp )
{
mExp = exp;
}
public Expression getExpression()
{
return mExp;
}
public void setSortOrder( SortOrder order )
{
mOrder = order;
}
public SortOrder getSortOrder()
{
return mOrder;
}
public void setRange( int start, int end )
{
mRange = new Range( start, end );
}
public void setRange( Range range )
{
mRange = range;
}
public Range getRange()
{
return mRange;
}
public void setDistinct( boolean distinct )
{
mDistinct = distinct;
}
public boolean isDistinct()
{
return mDistinct;
}
public void setFields( Collection<MetaField> fields )
{
mFields = fields;
}
public Collection<MetaField> getFields()
{
return mFields;
}
//public void setWriteableOnly( boolean writeableOnly ) {
// mWriteableOnly = writeableOnly;
//}
//public boolean getWriteableOnly() {
// return mWriteableOnly;
//}
public String toString()
{
return "Options{ EXP: " + getExpression() + "; ORDER: " + getSortOrder() + "; RANGE: " + getRange() + " }";
}
/** If the records read should be locked from updates for this transaction */
public boolean withLock() {
return mWithLock;
}
/** Whether to lock the records being read from updates for this transaction */
public void setWithLock(boolean withLock) {
this.mWithLock = withLock;
}
}