/**********************************************************************
Copyright (c) 2009 Andy Jefferson and others. All rights reserved.
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.
Contributors:
...
**********************************************************************/
package org.datanucleus.jdo.metadata;
import javax.jdo.metadata.ColumnMetadata;
import javax.jdo.metadata.PrimaryKeyMetadata;
import org.datanucleus.metadata.ColumnMetaData;
import org.datanucleus.metadata.PrimaryKeyMetaData;
/**
* Implementation of JDO PrimaryKeyMetadata object.
*/
public class PrimaryKeyMetadataImpl extends AbstractMetadataImpl implements PrimaryKeyMetadata
{
public PrimaryKeyMetadataImpl(PrimaryKeyMetaData internal)
{
super(internal);
}
public PrimaryKeyMetaData getInternal()
{
return (PrimaryKeyMetaData)internalMD;
}
/* (non-Javadoc)
* @see javax.jdo.metadata.PrimaryKeyMetadata#getColumn()
*/
public String getColumn()
{
return getInternal().getColumnName();
}
/* (non-Javadoc)
* @see javax.jdo.metadata.PrimaryKeyMetadata#getColumns()
*/
public ColumnMetadata[] getColumns()
{
ColumnMetaData[] internalColmds = getInternal().getColumnMetaData();
if (internalColmds == null)
{
return null;
}
ColumnMetadataImpl[] colmds = new ColumnMetadataImpl[internalColmds.length];
for (int i=0;i<colmds.length;i++)
{
colmds[i] = new ColumnMetadataImpl(internalColmds[i]);
colmds[i].parent = this;
}
return colmds;
}
/* (non-Javadoc)
* @see javax.jdo.metadata.PrimaryKeyMetadata#getName()
*/
public String getName()
{
return getInternal().getName();
}
/* (non-Javadoc)
* @see javax.jdo.metadata.PrimaryKeyMetadata#getNumberOfColumns()
*/
public int getNumberOfColumns()
{
ColumnMetaData[] colmds = getInternal().getColumnMetaData();
return (colmds != null ? colmds.length : 0);
}
/* (non-Javadoc)
* @see javax.jdo.metadata.PrimaryKeyMetadata#newColumnMetadata()
*/
public ColumnMetadata newColumnMetadata()
{
ColumnMetaData internalColmd = getInternal().newColumnMetadata();
ColumnMetadataImpl colmd = new ColumnMetadataImpl(internalColmd);
colmd.parent = this;
return colmd;
}
/* (non-Javadoc)
* @see javax.jdo.metadata.PrimaryKeyMetadata#setColumn(java.lang.String)
*/
public PrimaryKeyMetadata setColumn(String name)
{
getInternal().setColumnName(name);
return this;
}
/* (non-Javadoc)
* @see javax.jdo.metadata.PrimaryKeyMetadata#setName(java.lang.String)
*/
public PrimaryKeyMetadata setName(String name)
{
getInternal().setName(name);
return this;
}
}