/** * 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; } }