How to use org.apache.commons.jcs.engine.control.group

/**
 * @return A hash code based on the hash code of @ #groupid} and {@link #attrName}.
 */
@Override
public int hashCode()
{
  if (attrName == null)
  {
    return groupId.hashCode();
  }
  return groupId.hashCode() ^ attrName.hashCode();
}

/**
 * Internal method used for group functionality.
 * <p>
 * @param cacheName
 * @param group
 * @param name
 * @return GroupAttrName
 */
private GroupAttrName<String> getGroupAttrName( String cacheName, String group, String name )
{
  GroupId gid = new GroupId( cacheName, group );
  return new GroupAttrName<String>( gid, name );
}

/**
 * Tests object equality.
 * @param obj The <code>GroupAttrName</code> instance to test.
 * @return Whether equal.
 */
@Override
public boolean equals( Object obj )
{
  if ( obj == null || !( obj instanceof GroupAttrName ) )
  {
    return false;
  }
  GroupAttrName<?> to = (GroupAttrName<?>) obj;
  if (groupId.equals( to.groupId ))
  {
    if (attrName == null && to.attrName == null)
    {
      return true;
    }
    else if (attrName == null || to.attrName == null)
    {
      return false;
    }
    return  attrName.equals( to.attrName );
  }
  return false;
}

/**
 * Gets the set of keys of objects currently in the group.
 * <p>
 * @param group
 * @return A Set of keys.
 */
@Override
public Set<K> getGroupKeys( String group )
{
  Set<K> groupKeys = new HashSet<K>();
  GroupId groupId = new GroupId( this.getCacheControl().getCacheName(), group );
  for (GroupAttrName<K> gan : this.getCacheControl().getKeySet())
  {
    if (gan.groupId.equals( groupId ))
    {
      groupKeys.add( gan.attrName );
    }
  }
  return groupKeys;
}

/**
 * Internal method used for group functionality.
 * <p>
 *
 * @param cacheName
 * @param group
 * @param name
 * @return GroupAttrName
 */
private GroupAttrName<String> getGroupAttrName(String cacheName, String group, String name)
{
  GroupId gid = new GroupId(cacheName, group);
  return new GroupAttrName<String>(gid, name);
}

/**
 * Gets the set of keys of objects currently in the group.
 * <p>
 * @param group
 * @return A Set of keys.
 */
@Override
public Set<K> getGroupKeys( String group )
{
  Set<K> groupKeys = new HashSet<K>();
  GroupId groupId = new GroupId( this.getCacheControl().getCacheName(), group );
  for (GroupAttrName<K> gan : this.getCacheControl().getKeySet())
  {
    if (gan.groupId.equals( groupId ))
    {
      groupKeys.add( gan.attrName );
    }
  }
  return groupKeys;
}

/**
 * Tests object equality.
 * @param obj The <code>GroupAttrName</code> instance to test.
 * @return Whether equal.
 */
@Override
public boolean equals( Object obj )
{
  if ( obj == null || !( obj instanceof GroupAttrName ) )
  {
    return false;
  }
  GroupAttrName<?> to = (GroupAttrName<?>) obj;
  if (groupId.equals( to.groupId ))
  {
    if (attrName == null && to.attrName == null)
    {
      return true;
    }
    else if (attrName == null || to.attrName == null)
    {
      return false;
    }
    return  attrName.equals( to.attrName );
  }
  return false;
}

/**
 * @return A hash code based on the hash code of @ #groupid} and {@link #attrName}.
 */
@Override
public int hashCode()
{
  if (attrName == null)
  {
    return groupId.hashCode();
  }
  return groupId.hashCode() ^ attrName.hashCode();
}

/**
 * Internal method used for group functionality.
 * <p>
 *
 * @param cacheName
 * @param group
 * @param name
 * @return GroupAttrName
 */
private GroupAttrName<String> getGroupAttrName(String cacheName, String group, String name)
{
  GroupId gid = new GroupId(cacheName, group);
  return new GroupAttrName<String>(gid, name);
}

if ( k instanceof GroupAttrName && ( (GroupAttrName<?>) k ).groupId.equals( key ) )

log.error( "GroupID hashcode=" + name.groupId.hashCode() );
log.error( "GroupID.class=" + name.groupId.getClass() );
log.error( "AttrName hashcode=" + name.attrName.hashCode() );

/**
 * Internal method used for group functionality.
 * <p>
 * @param group
 * @param name
 * @return GroupAttrName
 */
private GroupAttrName<K> getGroupAttrName( String group, K name )
{
  GroupId gid = new GroupId( this.getCacheControl().getCacheName(), group );
  return new GroupAttrName<K>( gid, name );
}

if (k instanceof GroupAttrName && ((GroupAttrName<?>) k).groupId.equals(key))

private GroupAttrName<String> getGroupAttrName(String group, String name) {
  GroupId gid = new GroupId(groupCacheAccess.getCacheControl()
      .getCacheName(), group);
  return new GroupAttrName<String>(gid, name);
}

if (k instanceof GroupAttrName && ((GroupAttrName<?>) k).groupId.equals(key))

/**
 * Internal method used for group functionality.
 * <p>
 * @param group
 * @param name
 * @return GroupAttrName
 */
private GroupAttrName<K> getGroupAttrName( String group, K name )
{
  GroupId gid = new GroupId( this.getCacheControl().getCacheName(), group );
  return new GroupAttrName<K>( gid, name );
}

((GroupAttrName<?>)k).groupId.equals(((GroupAttrName<?>)key).groupId) )

GroupAttrName<String> groupKey = new GroupAttrName<String>(new GroupId("test", "group"), "key");
ICacheElement<GroupAttrName<String>, String> element =
  new CacheElement<GroupAttrName<String>, String>( "test", groupKey, "value1" );

((GroupAttrName<?>)k).groupId.equals(((GroupAttrName<?>)key).groupId) )

GroupAttrName<String> groupKey = new GroupAttrName<String>(new GroupId("test", "group"), "key");
ICacheElement<GroupAttrName<String>, String> element =
  new CacheElement<GroupAttrName<String>, String>( "test", groupKey, "value1" );