/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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 de.unioninvestment.eai.portal.portlet.crud.domain.model.filter;
/**
* Filterklasse für ein SQL Gleichoperator.
*
* @author markus.bonsch
*
*/
public final class IsNull extends Filter {
private static final long serialVersionUID = 1L;
private final String column;
/**
* Konstruktor.
*
* @param column
* - Spaltenname
* @param value
* - Vergleichswert
*/
public IsNull(String column) {
this(column, false);
}
/**
* Konstruktor.
*
* @param column
* - Spaltenname
* @param value
* - Vergleichswert
* @param durable
* Ob der Filter permanent gesetzt sein soll
*/
public IsNull(String column, boolean durable) {
super(durable);
this.column = column;
}
public String getColumn() {
return column;
}
@Override
public String toString() {
return "IsNull [column=" + column + ", durable=" + durable + "]";
}
@Override
public int hashCode() {
final int prime = 31;
int result = super.hashCode();
result = prime * result + ((column == null) ? 0 : column.hashCode());
return result;
}
@Override
public boolean equals(Object obj) {
if (this == obj)
return true;
if (!super.equals(obj))
return false;
if (getClass() != obj.getClass())
return false;
IsNull other = (IsNull) obj;
if (column == null) {
if (other.column != null)
return false;
} else if (!column.equals(other.column))
return false;
return true;
}
}