javaowl-commit

[Elmer G. <ega...@us...>]

Update of /cvsroot/javaowl/JavaOWL/src/org/javaowl/models/prevalence
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv12922/src/org/javaowl/models/prevalence

Modified Files:
	StorageUtil.java AddTripleCommand.java 
Log Message:
Working on prevayler persistence.
Serialize through StorageUtil class.

Index: StorageUtil.java
===================================================================
RCS file: /cvsroot/javaowl/JavaOWL/src/org/javaowl/models/prevalence/StorageUtil.java,v
retrieving revision 1.3
retrieving revision 1.4
diff -C2 -d -r1.3 -r1.4
*** StorageUtil.java	27 Jul 2004 04:43:42 -0000	1.3
--- StorageUtil.java	27 Jul 2004 05:23:24 -0000	1.4
***************
*** 33,65 ****
  	 * EOS_LEN is the length of EOS (0 or 1).
  	 */
! 	private String EOS = "";
  
! 	private char EOS_CHAR = ':';
  
! 	private int EOS_LEN = 0;
  
  	/**
  	 * the quote character used to delimit characters and strings.
  	 */
! 	private char QUOTE_CHAR = '\"';
! 
! 	/**
! 	 * true if URI's are to be compressed by storing prefixes (an approximation
! 	 * of a namespace) in the JENA_PREFIX table. note that "short" prefixes are
! 	 * not stored, i.e., the prefix length not more than URI_COMPRESS_LENGTH.
! 	 */
! 	protected boolean URI_COMPRESS;
! 
! 	/** if URI_COMPRESS is true, compress prefixes that are longer than this. */
! 	protected int URI_COMPRESS_LENGTH = 100;
! 
! 	/** The maximum size of an object that can be stored in a Statement table */
! 	protected int LONG_OBJECT_LENGTH;
! 
! 	/** The maximum possible value for LONG_OBJECT_LENGTH (db-dependent) */
! 	protected int LONG_OBJECT_LENGTH_MAX;
  
  	/** Set to true if IDs are allocated prior to insert */
! 	protected boolean PRE_ALLOCATE_ID;
  
  	// =======================================================================
--- 33,49 ----
  	 * EOS_LEN is the length of EOS (0 or 1).
  	 */
! 	private final static String EOS = "";
  
! 	private final static char EOS_CHAR = ':';
  
! 	private final static int EOS_LEN = 0;
  
  	/**
  	 * the quote character used to delimit characters and strings.
  	 */
! 	private final char QUOTE_CHAR = '\"';
  
  	/** Set to true if IDs are allocated prior to insert */
! 	private final static boolean PRE_ALLOCATE_ID = false;
  
  	// =======================================================================
***************
*** 71,87 ****
  	 * statements *
  	 */
! 	protected String SYSTEM_STMT_TABLE;
  
  	/** Name of the long literal table * */
! 	protected String LONG_LIT_TABLE;
  
  	/** Name of the long URI table * */
! 	protected String LONG_URI_TABLE;
  
  	/** Name of the prefix table * */
! 	protected String PREFIX_TABLE;
  
  	/** Name of the graph table * */
! 	protected String GRAPH_TABLE;
  
  	// =======================================================================
--- 55,71 ----
  	 * statements *
  	 */
! 	private final static String SYSTEM_STMT_TABLE = "";
  
  	/** Name of the long literal table * */
! 	private final static String LONG_LIT_TABLE = "";
  
  	/** Name of the long URI table * */
! 	private final static String LONG_URI_TABLE =  "";
  
  	/** Name of the prefix table * */
! 	private final static String PREFIX_TABLE = "";
  
  	/** Name of the graph table * */
! 	private final static String GRAPH_TABLE = "";
  
  	// =======================================================================
***************
*** 92,98 ****
  	 * Instance of SQLCache used by Driver for hard-coded db commands
  	 */
! 	protected SQLCache m_sql = null;
  
! 	protected LRUCache prefixCache = null;
  
  	/*
--- 76,82 ----
  	 * Instance of SQLCache used by Driver for hard-coded db commands
  	 */
! 	private final static SQLCache m_sql = null;
  
! 	private final static LRUCache prefixCache = null;
  
  	/*
***************
*** 157,181 ****
  	 */
  
! 	protected static String RDB_CODE_URI = "U";
  
! 	protected static String RDB_CODE_BLANK = "B";
  
! 	protected static String RDB_CODE_LITERAL = "L";
  
! 	protected static String RDB_CODE_VARIABLE = "V";
  
! 	protected static String RDB_CODE_ANY = "A";
  
! 	protected static String RDB_CODE_PREFIX = "P";
  
! 	protected static String RDB_CODE_VALUE = "v";
  
! 	protected static String RDB_CODE_REF = "r";
  
! 	protected static String RDB_CODE_DELIM = ":";
  
! 	protected static char RDB_CODE_DELIM_CHAR = ':';
  
! 	protected static String RDB_CODE_INVALID = "X";
  
  	private static final int INDEX_KEY_LENGTH = 0;
--- 141,165 ----
  	 */
  
! 	private static String RDB_CODE_URI = "U";
  
! 	private static String RDB_CODE_BLANK = "B";
  
! 	private static String RDB_CODE_LITERAL = "L";
  
! 	private static String RDB_CODE_VARIABLE = "V";
  
! 	private static String RDB_CODE_ANY = "A";
  
! 	private static String RDB_CODE_PREFIX = "P";
  
! 	private static String RDB_CODE_VALUE = "v";
  
! 	private static String RDB_CODE_REF = "r";
  
! 	private static String RDB_CODE_DELIM = ":";
  
! 	private static char RDB_CODE_DELIM_CHAR = ':';
  
! 	private static String RDB_CODE_INVALID = "X";
  
  	private static final int INDEX_KEY_LENGTH = 0;
***************
*** 186,195 ****
  	 * @param Node
  	 *            The node to convert to a string. Must be a concrete node.
- 	 * @param addIfLong
- 	 *            If the node is a long object and is not in the database, add
- 	 *            it.
  	 * @return the string or null if failure.
  	 */
! 	public String nodeToRDBString(Node node, boolean addIfLong)
  			throws RDFRDBException {
  		String res = null;
--- 170,176 ----
  	 * @param Node
  	 *            The node to convert to a string. Must be a concrete node.
  	 * @return the string or null if failure.
  	 */
! 	public static String nodeToRDBString(Node node)
  			throws RDFRDBException {
  		String res = null;
***************
*** 206,218 ****
  			//		databases may become inaccessible.
  			int pos = 0;
! 			boolean noCompress;
  			String pfx;
  			String qname;
- 			if (URI_COMPRESS == true) {
- 				pos = dbSplitNamespace(uri);
- 				noCompress = (pos == uri.length())
- 						|| (pos <= URI_COMPRESS_LENGTH);
- 			} else
- 				noCompress = true;
  			if (noCompress) {
  				pfx = RDB_CODE_DELIM + RDB_CODE_DELIM;
--- 187,193 ----
  			//		databases may become inaccessible.
  			int pos = 0;
! 			boolean noCompress = true;
  			String pfx;
  			String qname;
  			if (noCompress) {
  				pfx = RDB_CODE_DELIM + RDB_CODE_DELIM;
***************
*** 220,224 ****
  			} else {
  				// see if it's cached
! 				DBIDInt pfxid = uriToPrefix(uri, pos, addIfLong);
  				if (pfxid == null)
  					return res;
--- 195,199 ----
  			} else {
  				// see if it's cached
! 				DBIDInt pfxid = uriToPrefix(uri, pos);
  				if (pfxid == null)
  					return res;
***************
*** 228,243 ****
  			}
  			int encodeLen = RDB_CODE_URI.length() + 1 + pfx.length() + EOS_LEN;
- 			boolean uriIsLong = objectIsLong(encodeLen, qname);
- 			if (uriIsLong) {
- 				int dbid;
- 				// belongs in URI table
- 				DBIDInt uriID = getURIID(qname, addIfLong);
- 				if (uriID == null)
- 					return res;
- 				dbid = uriID.getIntID();
- 				res = new String(RDB_CODE_URI + RDB_CODE_REF + pfx + dbid);
- 			} else {
  				res = RDB_CODE_URI + RDB_CODE_VALUE + pfx + qname + EOS;
- 			}
  		} else if (node.isLiteral()) {
  			// TODO: may need to encode literal value when datatype is not a
--- 203,207 ----
***************
*** 251,292 ****
  			int encodeLen = RDB_CODE_LITERAL.length() + 2 + ld.length()
  					+ EOS_LEN;
! 			boolean litIsLong = objectIsLong(encodeLen, lval);
! 			if (litIsLong) {
! 				int dbid;
! 				// belongs in literal table
! 				DBIDInt lid = getLiteralID(litNode, addIfLong);
! 				if (lid == null)
! 					return res;
! 				dbid = lid.getIntID();
! 				res = new String(RDB_CODE_LITERAL + RDB_CODE_REF
! 						+ RDB_CODE_DELIM + dbid);
! 			} else {
! 				res = new String(RDB_CODE_LITERAL + RDB_CODE_VALUE
  						+ RDB_CODE_DELIM + ld + lval + EOS);
- 			}
  		} else if (node.isBlank()) {
! 			String bnid = node.getBlankNodeId().toString();
  			String delims = "::";
  			int encodeLen = RDB_CODE_BLANK.length() + 1 + delims.length()
  					+ EOS_LEN;
- 			boolean BisLong = objectIsLong(encodeLen, bnid);
- 			if (BisLong) {
- 				int dbid;
- 				// belongs in URI table
- 				DBIDInt URIid = getBlankID(bnid, addIfLong);
- 				if (URIid == null)
- 					return res;
- 				dbid = URIid.getIntID();
- 				res = new String(RDB_CODE_BLANK + RDB_CODE_REF + delims + dbid);
- 			} else {
  				res = new String(RDB_CODE_BLANK + RDB_CODE_VALUE + delims
! 						+ bnid + EOS);
! 			}
! 
  		} else if (node.isVariable()) {
  			String name = ((Node_Variable) node).getName();
  			int len = name.length();
- 			if ((len + 3 + EOS_LEN) > LONG_OBJECT_LENGTH)
- 				throw new JenaException("Variable name too long: " + name);
  			res = RDB_CODE_VARIABLE + RDB_CODE_VALUE + RDB_CODE_DELIM + name
  					+ EOS;
--- 215,230 ----
  			int encodeLen = RDB_CODE_LITERAL.length() + 2 + ld.length()
  					+ EOS_LEN;
! 			res = new String(RDB_CODE_LITERAL + RDB_CODE_VALUE
  						+ RDB_CODE_DELIM + ld + lval + EOS);
  		} else if (node.isBlank()) {
! 			String bnID = node.getBlankNodeId().toString();
  			String delims = "::";
  			int encodeLen = RDB_CODE_BLANK.length() + 1 + delims.length()
  					+ EOS_LEN;
  				res = new String(RDB_CODE_BLANK + RDB_CODE_VALUE + delims
! 						+ bnID + EOS);
  		} else if (node.isVariable()) {
  			String name = ((Node_Variable) node).getName();
  			int len = name.length();
  			res = RDB_CODE_VARIABLE + RDB_CODE_VALUE + RDB_CODE_DELIM + name
  					+ EOS;
***************
*** 308,312 ****
  	 * @return The node or null if failure.
  	 */
! 	public Node rdbStringToNode(String rdbString) throws RDFRDBException {
  		Node res = null;
  		int len = rdbString.length();
--- 246,250 ----
  	 * @return The node or null if failure.
  	 */
! 	public static Node rdbStringToNode(String rdbString) throws RDFRDBException {
  		Node res = null;
  		int len = rdbString.length();
***************
*** 322,350 ****
  		int npos;
  
! 		if (nodeType.equals(RDB_CODE_URI)) {
! 			ParseInt pi = new ParseInt(pos);
! 			String prefix = "";
! 			rdbStringParseInt(rdbString, pi, false);
! 			if (pi.val != null) {
! 				if (URI_COMPRESS == false)
! 					throw new RDFRDBException(
! 							"Bad URI: Prefix Compression Disabled: "
! 									+ rdbString);
! 				prefix = idToPrefix(pi.val.intValue());
! 				if (prefix == null)
! 					throw new RDFRDBException("Bad URI Prefix: " + rdbString);
! 			}
! 			pos = pi.pos + 1;
! 			String qname;
! 			if (valType.equals(RDB_CODE_REF)) {
! 				qname = idToURI(rdbString.substring(pos));
! 				if (qname == null)
! 					throw new RDFRDBException("Bad URI: " + rdbString);
! 			} else
! 				qname = rdbString.substring(pos, len - EOS_LEN);
! 
! 			res = Node.createURI(prefix + qname);
! 
! 		} else if (nodeType.equals(RDB_CODE_LITERAL)) {
  			ParseInt pi = new ParseInt(pos);
  			String litString = null;
--- 260,264 ----
  		int npos;
  
! 	  if (nodeType.equals(RDB_CODE_LITERAL)) {
  			ParseInt pi = new ParseInt(pos);
  			String litString = null;
***************
*** 360,366 ****
  			len = litString.length();
  			String lang;
! 			String dtype;
  			int langLen = 0;
! 			int dtypeLen = 0;
  			LiteralLabel llabel;
  			pi.pos = 0;
--- 274,280 ----
  			len = litString.length();
  			String lang;
! 			String dType;
  			int langLen = 0;
! 			int dTypeLen = 0;
  			LiteralLabel llabel;
  			pi.pos = 0;
***************
*** 373,394 ****
  			rdbStringParseInt(litString, pi, false);
  			if (pi.val == null)
! 				dtypeLen = 0;
  			else
! 				dtypeLen = pi.val.intValue();
  			pos = pi.pos + 1;
! 			if ((pos + langLen + dtypeLen) > len)
  				throw new RDFRDBException("Malformed Literal: " + litString);
  			lang = litString.substring(pos, pos + langLen);
  			pos = pos + langLen;
! 			dtype = litString.substring(pos, pos + dtypeLen);
! 			pos = pos + dtypeLen;
  
  			String val = litString.substring(pos);
  
! 			if ((dtype == null) || (dtype.equals(""))) {
  				llabel = new LiteralLabel(val, lang == null ? "" : lang);
  			} else {
  				RDFDatatype dt = TypeMapper.getInstance().getSafeTypeByName(
! 						dtype);
  				llabel = new LiteralLabel(val, lang == null ? "" : lang, dt);
  			}
--- 287,308 ----
  			rdbStringParseInt(litString, pi, false);
  			if (pi.val == null)
! 				dTypeLen = 0;
  			else
! 				dTypeLen = pi.val.intValue();
  			pos = pi.pos + 1;
! 			if ((pos + langLen + dTypeLen) > len)
  				throw new RDFRDBException("Malformed Literal: " + litString);
  			lang = litString.substring(pos, pos + langLen);
  			pos = pos + langLen;
! 			dType = litString.substring(pos, pos + dTypeLen);
! 			pos = pos + dTypeLen;
  
  			String val = litString.substring(pos);
  
! 			if ((dType == null) || (dType.equals(""))) {
  				llabel = new LiteralLabel(val, lang == null ? "" : lang);
  			} else {
  				RDFDatatype dt = TypeMapper.getInstance().getSafeTypeByName(
! 						dType);
  				llabel = new LiteralLabel(val, lang == null ? "" : lang, dt);
  			}
***************
*** 435,439 ****
  	 * @return the index of the first character of the localname
  	 */
! 	public static int dbSplitNamespace(String uri) {
  		char ch;
  		int lg = uri.length();
--- 349,353 ----
  	 * @return the index of the first character of the localname
  	 */
! 	private static int dbSplitNamespace(String uri) {
  		char ch;
  		int lg = uri.length();
***************
*** 460,464 ****
  	}
  
! 	class ParseInt {
  		int pos;
  
--- 374,378 ----
  	}
  
! 	private final static class ParseInt {
  		int pos;
  
***************
*** 470,480 ****
  	}
  
! 	private void rdbStringParseInt(String RDBString, ParseInt pi, boolean toEnd) {
! 		int npos = toEnd ? RDBString.length() : RDBString.indexOf(
  				RDB_CODE_DELIM_CHAR, pi.pos);
  		if (npos < 0) {
! 			throw new RDFRDBException("Bad RDB String: " + RDBString);
  		}
! 		String intStr = RDBString.substring(pi.pos, npos);
  		pi.pos = npos;
  		if (intStr.equals(""))
--- 384,394 ----
  	}
  
! 	private static void rdbStringParseInt(String rdbString, ParseInt pi, boolean toEnd) {
! 		int npos = toEnd ? rdbString.length() : rdbString.indexOf(
  				RDB_CODE_DELIM_CHAR, pi.pos);
  		if (npos < 0) {
! 			throw new RDFRDBException("Bad RDB String: " + rdbString);
  		}
! 		String intStr = rdbString.substring(pi.pos, npos);
  		pi.pos = npos;
  		if (intStr.equals(""))
***************
*** 484,498 ****
  				pi.val = new Integer(intStr);
  			} catch (NumberFormatException e1) {
! 				throw new RDFRDBException("Bad RDB String: " + RDBString);
  			}
  		return;
  	}
  
! 	private DBIDInt uriToPrefix(String uri, int pos, boolean add) {
  		DBIDInt res;
  		Object key = prefixCache.getByValue(uri.substring(0, pos));
  		if (key == null) {
  			RDBLongObject lobj = prefixToLongObject(uri, pos);
! 			res = getLongObjectID(lobj, PREFIX_TABLE, add);
  			if (res != null)
  				prefixCache.put(res, uri.substring(0, pos));
--- 398,412 ----
  				pi.val = new Integer(intStr);
  			} catch (NumberFormatException e1) {
! 				throw new RDFRDBException("Bad RDB String: " + rdbString);
  			}
  		return;
  	}
  
! 	private static DBIDInt uriToPrefix(String uri, int pos) {
  		DBIDInt res;
  		Object key = prefixCache.getByValue(uri.substring(0, pos));
  		if (key == null) {
  			RDBLongObject lobj = prefixToLongObject(uri, pos);
! 			res = getLongObjectID(lobj, PREFIX_TABLE);
  			if (res != null)
  				prefixCache.put(res, uri.substring(0, pos));
***************
*** 502,506 ****
  	}
  
! 	private RDBLongObject prefixToLongObject(String prefix, int split) {
  		RDBLongObject res = new RDBLongObject();
  		int headLen;
--- 416,420 ----
  	}
  
! 	private static RDBLongObject prefixToLongObject(String prefix, int split) {
  		RDBLongObject res = new RDBLongObject();
  		int headLen;
***************
*** 528,532 ****
  	 * @return the string.
  	 */
! 	public String litLangTypeToRDBString(String lang, String dtype)
  			throws RDFRDBException {
  		String res = RDB_CODE_DELIM;
--- 442,446 ----
  	 * @return the string.
  	 */
! 	private static String litLangTypeToRDBString(String lang, String dtype)
  			throws RDFRDBException {
  		String res = RDB_CODE_DELIM;
***************
*** 539,553 ****
  	}
  
! 	/**
! 	 * Check if an object is long, i.e., it exceeds the length limit for storing
! 	 * in a statement table.
! 	 * 
! 	 * @return true if literal is long, else false.
! 	 */
! 	protected boolean objectIsLong(int encodingLen, String objAsString) {
! 		return ((encodingLen + objAsString.length()) > LONG_OBJECT_LENGTH);
! 	}
! 
! 	class RDBLongObject {
  		String head; /* prefix of long object that can be indexed */
  
--- 453,457 ----
  	}
  
! 	private final static class RDBLongObject {
  		String head; /* prefix of long object that can be indexed */
  
***************
*** 557,561 ****
  	}
  
! 	protected RDBLongObject literalToLongObject(Node_Literal node) {
  		RDBLongObject res = new RDBLongObject();
  		int headLen;
--- 461,465 ----
  	}
  
! 	private RDBLongObject literalToLongObject(Node_Literal node) {
  		RDBLongObject res = new RDBLongObject();
  		int headLen;
***************
*** 583,587 ****
  	}
  
! 	protected long stringToHash(String str) {
  		CRC32 checksum = new CRC32();
  		checksum.update(str.getBytes());
--- 487,491 ----
  	}
  
! 	private static long stringToHash(String str) {
  		CRC32 checksum = new CRC32();
  		checksum.update(str.getBytes());
***************
*** 592,598 ****
  	 * Return the database ID for the URI, if it exists
  	 */
! 	public DBIDInt getBlankID(String bstr, boolean add) throws RDFRDBException {
! 		RDBLongObject lobj = URIToLongObject(bstr, RDB_CODE_BLANK);
! 		return getLongObjectID(lobj, LONG_URI_TABLE, add);
  	}
  
--- 496,502 ----
  	 * Return the database ID for the URI, if it exists
  	 */
! 	private DBIDInt getBlankID(String bstr) throws RDFRDBException {
! 		RDBLongObject lobj = uriToLongObject(bstr, RDB_CODE_BLANK);
! 		return getLongObjectID(lobj, LONG_URI_TABLE);
  	}
  
***************
*** 600,609 ****
  	 * Return the database ID for the URI, if it exists
  	 */
! 	public DBIDInt getURIID(String qname, boolean add) throws RDFRDBException {
! 		RDBLongObject lobj = URIToLongObject(qname, RDB_CODE_URI);
! 		return getLongObjectID(lobj, LONG_URI_TABLE, add);
  	}
  
! 	protected RDBLongObject URIToLongObject(String qname, String code) {
  		RDBLongObject res = new RDBLongObject();
  		int headLen;
--- 504,513 ----
  	 * Return the database ID for the URI, if it exists
  	 */
! 	private DBIDInt getURIID(String qname) throws RDFRDBException {
! 		RDBLongObject lobj = uriToLongObject(qname, RDB_CODE_URI);
! 		return getLongObjectID(lobj, LONG_URI_TABLE);
  	}
  
! 	private RDBLongObject uriToLongObject(String qname, String code) {
  		RDBLongObject res = new RDBLongObject();
  		int headLen;
***************
*** 628,638 ****
  	 * Return the database ID for the literal, if it exists
  	 */
! 	public DBIDInt getLiteralID(Node_Literal lnode, boolean add)
  			throws RDFRDBException {
  		RDBLongObject lobj = literalToLongObject(lnode);
! 		return getLongObjectID(lobj, LONG_LIT_TABLE, add);
  	}
  
! 	public DBIDInt getLongObjectID(RDBLongObject lobj, String table, boolean add)
  			throws RDFRDBException {
  		try {
--- 532,542 ----
  	 * Return the database ID for the literal, if it exists
  	 */
! 	private DBIDInt getLiteralID(Node_Literal lnode)
  			throws RDFRDBException {
  		RDBLongObject lobj = literalToLongObject(lnode);
! 		return getLongObjectID(lobj, LONG_LIT_TABLE);
  	}
  
! 	private static DBIDInt getLongObjectID(RDBLongObject lobj, String table)
  			throws RDFRDBException {
  		try {
***************
*** 650,655 ****
  				result = wrapDBID(rs.getObject(1));
  			} else {
! 				if (add)
! 					result = addRDBLongObject(lobj, table);
  			}
  			m_sql.returnPreparedSQLStatement(ps, opName);
--- 554,558 ----
  				result = wrapDBID(rs.getObject(1));
  			} else {
! 				result = addRDBLongObject(lobj, table);
  			}
  			m_sql.returnPreparedSQLStatement(ps, opName);
***************
*** 668,672 ****
  	 * @return the db index of the added literal
  	 */
! 	public DBIDInt addRDBLongObject(RDBLongObject lobj, String table)
  			throws RDFRDBException {
  		try {
--- 571,575 ----
  	 * @return the db index of the added literal
  	 */
! 	private static DBIDInt addRDBLongObject(RDBLongObject lobj, String table)
  			throws RDFRDBException {
  		try {
***************
*** 721,725 ****
  	 * @return
  	 */
! 	private int getInsertID(String table) {
  		// TODO Auto-generated method stub
  		return 0;
--- 624,628 ----
  	 * @return
  	 */
! 	private static int getInsertID(String table) {
  		// TODO Auto-generated method stub
  		return 0;
***************
*** 733,737 ****
  	 * @return the prefix string or null if it does not exist.
  	 */
! 	protected String idToPrefix(int prefixID) {
  		// check cache
  		DBIDInt dbid = new DBIDInt(prefixID);
--- 636,640 ----
  	 * @return the prefix string or null if it does not exist.
  	 */
! 	private static String idToPrefix(int prefixID) {
  		// check cache
  		DBIDInt dbid = new DBIDInt(prefixID);
***************
*** 750,754 ****
  	 * @return the Blank node string or null if it does not exist.
  	 */
! 	protected String idToBlank(String bnID) {
  		return idToString(bnID, LONG_URI_TABLE, RDB_CODE_BLANK);
  	}
--- 653,657 ----
  	 * @return the Blank node string or null if it does not exist.
  	 */
! 	private static String idToBlank(String bnID) {
  		return idToString(bnID, LONG_URI_TABLE, RDB_CODE_BLANK);
  	}
***************
*** 761,765 ****
  	 * @return the uri string or null if it does not exist.
  	 */
! 	protected String idToURI(String uriID) {
  		return idToString(uriID, LONG_URI_TABLE, RDB_CODE_URI);
  	}
--- 664,668 ----
  	 * @return the uri string or null if it does not exist.
  	 */
! 	private static String idToURI(String uriID) {
  		return idToString(uriID, LONG_URI_TABLE, RDB_CODE_URI);
  	}
***************
*** 772,780 ****
  	 * @return the long literal string or null if it does not exist.
  	 */
! 	protected String idToLiteral(int litID) {
  		return idToString(litID, LONG_LIT_TABLE, RDB_CODE_LITERAL);
  	}
  
! 	protected String idToString(String dbidAsString, String table,
  			String RDBcode) {
  		int dbID;
--- 675,683 ----
  	 * @return the long literal string or null if it does not exist.
  	 */
! 	private static String idToLiteral(int litID) {
  		return idToString(litID, LONG_LIT_TABLE, RDB_CODE_LITERAL);
  	}
  
! 	private static String idToString(String dbidAsString, String table,
  			String RDBcode) {
  		int dbID;
***************
*** 788,792 ****
  	}
  
! 	protected String idToString(int dbID, String table, String RDBcode) {
  		String res = null;
  		RDBLongObject lobj = idToLongObject(dbID, table);
--- 691,695 ----
  	}
  
! 	private static String idToString(int dbID, String table, String RDBcode) {
  		String res = null;
  		RDBLongObject lobj = idToLongObject(dbID, table);
***************
*** 803,807 ****
  	}
  
! 	protected RDBLongObject idToLongObject(int dbid, String table) {
  		RDBLongObject res = null;
  		try {
--- 706,710 ----
  	}
  
! 	private static RDBLongObject idToLongObject(int dbid, String table) {
  		RDBLongObject res = null;
  		try {
***************
*** 824,828 ****
  	}
  
! 	protected RDBLongObject idToLongObject(String idAsString, String table) {
  		RDBLongObject res = null;
  		int dbid;
--- 727,731 ----
  	}
  
! 	private RDBLongObject idToLongObject(String idAsString, String table) {
  		RDBLongObject res = null;
  		int dbid;
***************
*** 839,843 ****
  	 * java object which meets the DBIDInt interface.
  	 */
! 	public DBIDInt wrapDBID(Object id) throws RDFRDBException {
  		if (id instanceof Number) {
  			return new DBIDInt(((Number) id).intValue());
--- 742,746 ----
  	 * java object which meets the DBIDInt interface.
  	 */
! 	private static DBIDInt wrapDBID(Object id) throws RDFRDBException {
  		if (id instanceof Number) {
  			return new DBIDInt(((Number) id).intValue());

Index: AddTripleCommand.java
===================================================================
RCS file: /cvsroot/javaowl/JavaOWL/src/org/javaowl/models/prevalence/AddTripleCommand.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -C2 -d -r1.2 -r1.3
*** AddTripleCommand.java	27 Jul 2004 04:43:42 -0000	1.2
--- AddTripleCommand.java	27 Jul 2004 05:23:24 -0000	1.3
***************
*** 45,58 ****
  
      private void writeObject(ObjectOutputStream out) throws IOException {
!         //String subject =  triple.getSubject().equals(Node.NULL) ? null : 
!         //    m_driver.nodeToRDBString(t.getSubject(),true);
!         //String predicate = triple.getPredicate().equals(Node.NULL) ? null : 
!         //    m_driver.nodeToRDBString(t.getPredicate(),true);
!         //String object = triple.getObject().equals(Node.NULL) ? null : 
!         //    m_driver.nodeToRDBString(t.getObject(),true);
!         //System.out.println(PrintUtil.print(triple));
!         //System.out.println(triple.getSubject() + "^" + triple.getSubject().getClass()); 
!         //System.out.println(triple.getPredicate() + "^" + triple.getPredicate().getClass()); 
!         //System.out.println(triple.getObject() + "^" + triple.getObject().getClass()); 
      } 
  
--- 45,51 ----
  
      private void writeObject(ObjectOutputStream out) throws IOException {
!  	   out.writeUTF(StorageUtil.nodeToRDBString(triple.getSubject()));
! 	   out.writeUTF(StorageUtil.nodeToRDBString(triple.getPredicate()));
! 	   out.writeUTF(StorageUtil.nodeToRDBString(triple.getObject()));
      }