package org.apache.ddlutils.model; | |
/* | |
* 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. | |
*/ | |
import java.util.ArrayList; | |
import org.apache.commons.lang.builder.EqualsBuilder; | |
import org.apache.commons.lang.builder.HashCodeBuilder; | |
/** | |
* Represents an index definition for a table. | |
* | |
* @version $Revision: 289996 $ | |
*/ | |
public class NonUniqueIndex extends IndexImplBase | |
{ | |
/** Unique ID for serialization purposes. */ | |
private static final long serialVersionUID = -3591499395114850301L; | |
/** | |
* {@inheritDoc} | |
*/ | |
public boolean isUnique() | |
{ | |
return false; | |
} | |
/** | |
* {@inheritDoc} | |
*/ | |
public Object clone() throws CloneNotSupportedException | |
{ | |
return getClone(); | |
} | |
/** | |
* {@inheritDoc} | |
*/ | |
public Index getClone() throws ModelException | |
{ | |
NonUniqueIndex result = new NonUniqueIndex(); | |
result._name = _name; | |
result._columns = (ArrayList)_columns.clone(); | |
return result; | |
} | |
/** | |
* {@inheritDoc} | |
*/ | |
public boolean equals(Object obj) | |
{ | |
if (obj instanceof NonUniqueIndex) | |
{ | |
NonUniqueIndex other = (NonUniqueIndex)obj; | |
return new EqualsBuilder().append(_name, other._name) | |
.append(_columns, other._columns) | |
.isEquals(); | |
} | |
else | |
{ | |
return false; | |
} | |
} | |
/** | |
* {@inheritDoc} | |
*/ | |
public boolean equalsIgnoreCase(Index other) | |
{ | |
if (other instanceof NonUniqueIndex) | |
{ | |
NonUniqueIndex otherIndex = (NonUniqueIndex)other; | |
boolean checkName = (_name != null) && (_name.length() > 0) && | |
(otherIndex._name != null) && (otherIndex._name.length() > 0); | |
if ((!checkName || _name.equalsIgnoreCase(otherIndex._name)) && | |
(getColumnCount() == otherIndex.getColumnCount())) | |
{ | |
for (int idx = 0; idx < getColumnCount(); idx++) | |
{ | |
if (!getColumn(idx).equalsIgnoreCase(otherIndex.getColumn(idx))) | |
{ | |
return false; | |
} | |
} | |
return true; | |
} | |
} | |
return false; | |
} | |
/** | |
* {@inheritDoc} | |
*/ | |
public int hashCode() | |
{ | |
return new HashCodeBuilder(17, 37).append(_name) | |
.append(_columns) | |
.toHashCode(); | |
} | |
/** | |
* {@inheritDoc} | |
*/ | |
public String toString() | |
{ | |
StringBuffer result = new StringBuffer(); | |
result.append("Index [name="); | |
result.append(getName()); | |
result.append("; "); | |
result.append(getColumnCount()); | |
result.append(" columns]"); | |
return result.toString(); | |
} | |
/** | |
* {@inheritDoc} | |
*/ | |
public String toVerboseString() | |
{ | |
StringBuffer result = new StringBuffer(); | |
result.append("Index ["); | |
result.append(getName()); | |
result.append("] columns:"); | |
for (int idx = 0; idx < getColumnCount(); idx++) | |
{ | |
result.append(" "); | |
result.append(getColumn(idx).toString()); | |
} | |
return result.toString(); | |
} | |
} |