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/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *
* Copyright by The HDF Group. *
* Copyright by the Board of Trustees of the University of Illinois. *
* All rights reserved. *
* *
* This file is part of HDF5. The full HDF5 copyright notice, including *
* terms governing use, modification, and redistribution, is contained in *
* the COPYING file, which can be found at the root of the source code *
* distribution tree, or in https://www.hdfgroup.org/licenses. *
* If you do not have access to either file, you may request a copy from *
* help@hdfgroup.org. *
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */
package hdf.hdf5lib;
/**
* <p>
* This class is a container for the information reported about an HDF5 Object
* from the H5Gget_obj_info() method.
* <p>
* The fileno and objno fields contain four values which uniquely identify an
* object among those HDF5 files which are open: if all four values are the same
* between two objects, then the two objects are the same (provided both files
* are still open). The nlink field is the number of hard links to the object or
* zero when information is being returned about a symbolic link (symbolic links
* do not have hard links but all other objects always have at least one). The
* type field contains the type of the object, one of H5G_GROUP, H5G_DATASET, or
* H5G_LINK. The mtime field contains the modification time. If information is
* being returned about a symbolic link then linklen will be the length of the
* link value (the name of the pointed-to object with the null terminator);
* otherwise linklen will be zero. Other fields may be added to this structure
* in the future.
*
* @deprecated Not for public use. It is not used by the library.
* This class assumes that an object can contain four values which uniquely identify an
* object among those HDF5 files which are open. This is no longer valid in future
* HDF5 releases.
*/
@Deprecated
public class HDF5GroupInfo {
long[] fileno;
long[] objno;
int nlink;
int type;
long mtime;
int linklen;
/**
* Container for the information reported about an HDF5 Object
* from the H5Gget_obj_info() method
*/
public HDF5GroupInfo()
{
fileno = new long[2];
objno = new long[2];
nlink = -1;
type = -1;
mtime = 0;
linklen = 0;
}
/**
* Sets the HDF5 group information. Used by the JHI5.
*
* @param fn
* File id number
* @param on
* Object id number
* @param nl
* Number of links
* @param t
* Type of the object
* @param mt
* Modification time
* @param len
* Length of link
**/
public void setGroupInfo(long[] fn, long[] on, int nl, int t, long mt, int len)
{
fileno = fn;
objno = on;
nlink = nl;
type = t;
mtime = mt;
linklen = len;
}
/** Resets all the group information to defaults. */
public void reset()
{
fileno[0] = 0;
fileno[1] = 0;
objno[0] = 0;
objno[1] = 0;
nlink = -1;
type = -1;
mtime = 0;
linklen = 0;
}
/**
* fileno accessors
* @return the file number if successful
*/
public long[] getFileno() { return fileno; }
/**
* accessors
* @return the object number if successful
*/
public long[] getObjno() { return objno; }
/**
* accessors
* @return type of group if successful
*/
public int getType() { return type; }
/**
* accessors
* @return the number of links in the group if successful
*/
public int getNlink() { return nlink; }
/**
* accessors
* @return the modified time value if successful
*/
public long getMtime() { return mtime; }
/**
* accessors
* @return a length of link name if successful
*/
public int getLinklen() { return linklen; }
/**
* The fileno and objno fields contain four values which uniquely identify
* an object among those HDF5 files.
*/
@Override
public boolean equals(Object obj)
{
if (!(obj instanceof HDF5GroupInfo)) {
return false;
}
HDF5GroupInfo target = (HDF5GroupInfo)obj;
if ((fileno[0] == target.fileno[0]) && (fileno[1] == target.fileno[1]) &&
(objno[0] == target.objno[0]) && (objno[1] == target.objno[1])) {
return true;
}
else {
return false;
}
}
/**
* Returns the object id.
*
* @return the object id
*/
public long getOID() { return objno[0]; }
/**
* /** Converts this object to a String representation.
*
* @return a string representation of this object
*/
@Override
public String toString()
{
String fileStr = "fileno=null";
String objStr = "objno=null";
if (fileno != null) {
fileStr = "fileno[0]=" + fileno[0] + ",fileno[1]=" + fileno[1];
}
if (objno != null) {
objStr = "objno[0]=" + objno[0] + ",objno[1]=" + objno[1];
}
return getClass().getName() + "[" + fileStr + "," + objStr + ",type=" + type + ",nlink=" + nlink +
",mtime=" + mtime + ",linklen=" + linklen + "]";
}
}
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