/*
* Copyright (c) 2013-2015 Josef Hardi <josef.hardi@gmail.com>
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.obidea.semantika.database.sql.base;
public class SqlJoinCondition implements ISqlObject
{
private static final long serialVersionUID = 629451L;
private ISqlColumn mLeftColumn;
private ISqlColumn mRighColumn;
public SqlJoinCondition(ISqlColumn leftColumn, ISqlColumn rightColumn)
{
mLeftColumn = leftColumn;
mRighColumn = rightColumn;
}
public ISqlColumn getLeftColumn()
{
return mLeftColumn;
}
public ISqlColumn getRightColumn()
{
return mRighColumn;
}
@Override
public String toString()
{
return mLeftColumn + "=" + mRighColumn; //$NON-NLS-1$
}
@Override
public int hashCode()
{
final int prime = 31;
int result = 1;
result = prime * result + getLeftColumn().hashCode();
result = prime * result + getRightColumn().hashCode();
return result;
}
@Override
public boolean equals(Object obj)
{
if (this == obj) {
return true;
}
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final SqlJoinCondition other = (SqlJoinCondition) obj;
return getLeftColumn().equals(other.getLeftColumn())
&& getRightColumn().equals(other.getRightColumn());
}
}