/**
* 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 org.apache.metamodel.schema;
/**
* Abstract {@link Column} implementation. Implements most common and trivial
* methods.
*/
public abstract class AbstractColumn implements Column {
private static final long serialVersionUID = 1L;
@Override
public final String getQuotedName() {
String quote = getQuote();
if (quote == null) {
return getName();
}
return quote + getName() + quote;
}
@Override
public final String getQualifiedLabel() {
StringBuilder sb = new StringBuilder();
Table table = getTable();
if (table != null) {
sb.append(table.getQualifiedLabel());
sb.append('.');
}
sb.append(getName());
return sb.toString();
}
@Override
public final int compareTo(Column that) {
int diff = getQualifiedLabel().compareTo(that.getQualifiedLabel());
if (diff == 0) {
diff = toString().compareTo(that.toString());
}
return diff;
}
@Override
public final String toString() {
return "Column[name=" + getName() + ",columnNumber=" + getColumnNumber() + ",type=" + getType() + ",nullable="
+ isNullable() + ",nativeType=" + getNativeType() + ",columnSize=" + getColumnSize() + "]";
}
@Override
public int hashCode() {
return getName().hashCode();
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (obj == this) {
return true;
}
if (obj instanceof Column) {
Column other = (Column) obj;
if (getColumnNumber() != other.getColumnNumber()) {
return false;
}
if (!getName().equals(other.getName())) {
return false;
}
if (getType() != other.getType()) {
return false;
}
final Table table1 = getTable();
final Table table2 = other.getTable();
if (table1 == null) {
if (table2 != null) {
return false;
}
} else {
if (!table1.equals(table2)) {
return false;
}
}
return true;
}
return false;
}
}