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enhanced exception handling in kelondro

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git-svn-id: https://svn.berlios.de/svnroot/repos/yacy/trunk@14 6c8d7289-2bf4-0310-a012-ef5d649a1542
pull/1/head
orbiter 20 years ago
parent 072052f150
commit e374aca2cd
7 changed files with 143 additions and 56 deletions
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2
source/de/anomic/kelondro/kelondroDyn.java
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@ -161,7 +161,7 @@ public class kelondroDyn extends kelondroTree {
byte[][] nt; byte[][] nt;
while (ri.hasNext()) { while (ri.hasNext()) {
nt = (byte[][]) ri.next(); nt = (byte[][]) ri.next();
if (nt == null) return null; if (nt == null) throw new kelondroException(filename, "no more elements available");
g = nt[0]; g = nt[0];
if (g == null) return null; if (g == null) return null;
k = new String(g, 0, keylen); k = new String(g, 0, keylen);

55
source/de/anomic/kelondro/kelondroException.java
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@ -0,0 +1,55 @@
// kelondroException.java
// -----------------------
// part of The Kelondro Database
// (C) by Michael Peter Christen; mc@anomic.de
// first published on http://www.anomic.de
// Frankfurt, Germany, 2005
// last major change: 12.04.2005
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
//
// Using this software in any meaning (reading, learning, copying, compiling,
// running) means that you agree that the Author(s) is (are) not responsible
// for cost, loss of data or any harm that may be caused directly or indirectly
// by usage of this softare or this documentation. The usage of this software
// is on your own risk. The installation and usage (starting/running) of this
// software may allow other people or application to access your computer and
// any attached devices and is highly dependent on the configuration of the
// software which must be done by the user of the software; the author(s) is
// (are) also not responsible for proper configuration and usage of the
// software, even if provoked by documentation provided together with
// the software.
//
// Any changes to this file according to the GPL as documented in the file
// gpl.txt aside this file in the shipment you received can be done to the
// lines that follows this copyright notice here, but changes must not be
// done inside the copyright notive above. A re-distribution must contain
// the intact and unchanged copyright notice.
// Contributions and changes to the program code must be marked as such.
package de.anomic.kelondro;
public class kelondroException extends java.lang.RuntimeException {
public kelondroException() {
super("unspecific-error");
}
public kelondroException(String database, String message) {
super(message + " in database '" + database + "'");
}
}

2
source/de/anomic/kelondro/kelondroMap.java
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@ -423,7 +423,7 @@ public class kelondroMap {
} }
try { try {
Map map = get(nextKey); Map map = get(nextKey);
if (map == null) return null; if (map == null) throw new kelondroException(dyn.filename, "no more elements available");
map.put("key", nextKey); map.put("key", nextKey);
return map; return map;
} catch (IOException e) { } catch (IOException e) {

26
source/de/anomic/kelondro/kelondroRecords.java
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@ -100,7 +100,7 @@ public class kelondroRecords {
// POS_NODES : (USEDC + FREEC) * (overhead + sum(all: COLWIDTHS)) : Node Objects // POS_NODES : (USEDC + FREEC) * (overhead + sum(all: COLWIDTHS)) : Node Objects
// values that are only present at run-time // values that are only present at run-time
private String filename; // the database's file name protected String filename; // the database's file name
protected kelondroRA entryFile; // the database file protected kelondroRA entryFile; // the database file
private int overhead; // OHBYTEC + 4 * OHHANDLEC = size of additional control bytes private int overhead; // OHBYTEC + 4 * OHHANDLEC = size of additional control bytes
private int recordsize; // (overhead + sum(all: COLWIDTHS)) = the overall size of a record private int recordsize; // (overhead + sum(all: COLWIDTHS)) = the overall size of a record
@ -429,15 +429,15 @@ public class kelondroRecords {
// the parentNode can be given if an auto-fix in the following case is wanted // the parentNode can be given if an auto-fix in the following case is wanted
if (handle.index > USEDC + FREEC) { if (handle.index > USEDC + FREEC) {
if (parentNode == null) { if (parentNode == null) {
throw new IllegalArgumentException("INTERNAL ERROR: node handle index exceeds size. No auto-fix node was submitted. This is a serious failure."); throw new kelondroException(filename, "INTERNAL ERROR: node handle index exceeds size. No auto-fix node was submitted. This is a serious failure.");
} else { } else {
try { try {
Handle[] handles = parentNode.getOHHandle(); Handle[] handles = parentNode.getOHHandle();
handles[referenceInParent] = null; handles[referenceInParent] = null;
parentNode.setOHHandle(handles); parentNode.setOHHandle(handles);
throw new IllegalArgumentException("INTERNAL ERROR: node handle index exceeds size. The bad node has been auto-fixed"); throw new kelondroException(filename, "INTERNAL ERROR: node handle index exceeds size. The bad node has been auto-fixed");
} catch (IOException ee) { } catch (IOException ee) {
throw new IllegalArgumentException("INTERNAL ERROR: node handle index exceeds size. It was tried to fix the bad node, but failed with an IOException: " + ee.getMessage()); throw new kelondroException(filename, "INTERNAL ERROR: node handle index exceeds size. It was tried to fix the bad node, but failed with an IOException: " + ee.getMessage());
} }
} }
} }
@ -451,13 +451,13 @@ public class kelondroRecords {
} }
protected Handle handle() { protected Handle handle() {
// if this entry has an index, return it // if this entry has an index, return it
if (this.handle.index == NUL) throw new IllegalStateException("the entry has no index assigned"); if (this.handle.index == NUL) throw new kelondroException(filename, "the entry has no index assigned");
return new Handle(this.handle.index); return new Handle(this.handle.index);
} }
protected synchronized void setOHByte(byte[] b) throws IOException { protected synchronized void setOHByte(byte[] b) throws IOException {
if (b == null) throw new IllegalArgumentException("setOHByte: setting null value does not make any sense"); if (b == null) throw new IllegalArgumentException("setOHByte: setting null value does not make any sense");
if (b.length != OHBYTEC) throw new IllegalArgumentException("setOHByte: wrong array size"); if (b.length != OHBYTEC) throw new IllegalArgumentException("setOHByte: wrong array size");
if (this.handle.index == NUL) throw new IllegalStateException("setOHByte: no handle assigned"); if (this.handle.index == NUL) throw new kelondroException(filename, "setOHByte: no handle assigned");
if (this.ohBytes == null) this.ohBytes = new byte[OHBYTEC]; if (this.ohBytes == null) this.ohBytes = new byte[OHBYTEC];
entryFile.seek(seekpos(this.handle)); entryFile.seek(seekpos(this.handle));
for (int j = 0; j < ohBytes.length; j++) { for (int j = 0; j < ohBytes.length; j++) {
@ -469,7 +469,7 @@ public class kelondroRecords {
protected synchronized void setOHHandle(Handle[] i) throws IOException { protected synchronized void setOHHandle(Handle[] i) throws IOException {
if (i == null) throw new IllegalArgumentException("setOHint: setting null value does not make any sense"); if (i == null) throw new IllegalArgumentException("setOHint: setting null value does not make any sense");
if (i.length != OHHANDLEC) throw new IllegalArgumentException("setOHHandle: wrong array size"); if (i.length != OHHANDLEC) throw new IllegalArgumentException("setOHHandle: wrong array size");
if (this.handle.index == NUL) throw new IllegalStateException("setOHHandle: no handle assigned"); if (this.handle.index == NUL) throw new kelondroException(filename, "setOHHandle: no handle assigned");
if (this.ohHandle == null) this.ohHandle = new Handle[OHHANDLEC]; if (this.ohHandle == null) this.ohHandle = new Handle[OHHANDLEC];
entryFile.seek(seekpos(this.handle) + OHBYTEC); entryFile.seek(seekpos(this.handle) + OHBYTEC);
for (int j = 0; j < ohHandle.length; j++) { for (int j = 0; j < ohHandle.length; j++) {
@ -483,7 +483,7 @@ public class kelondroRecords {
} }
protected synchronized byte[] getOHByte() throws IOException { protected synchronized byte[] getOHByte() throws IOException {
if (ohBytes == null) { if (ohBytes == null) {
if (this.handle.index == NUL) throw new IllegalStateException("Cannot load OH values"); if (this.handle.index == NUL) throw new kelondroException(filename, "Cannot load OH values");
ohBytes = new byte[OHBYTEC]; ohBytes = new byte[OHBYTEC];
entryFile.seek(seekpos(this.handle)); entryFile.seek(seekpos(this.handle));
for (int j = 0; j < ohBytes.length; j++) { for (int j = 0; j < ohBytes.length; j++) {
@ -495,7 +495,7 @@ public class kelondroRecords {
} }
protected synchronized Handle[] getOHHandle() throws IOException { protected synchronized Handle[] getOHHandle() throws IOException {
if (ohHandle == null) { if (ohHandle == null) {
if (this.handle.index == NUL) throw new IllegalStateException("Cannot load OH values"); if (this.handle.index == NUL) throw new kelondroException(filename, "Cannot load OH values");
ohHandle = new Handle[OHHANDLEC]; ohHandle = new Handle[OHHANDLEC];
entryFile.seek(seekpos(this.handle) + OHBYTEC); entryFile.seek(seekpos(this.handle) + OHBYTEC);
int i; int i;
@ -539,7 +539,7 @@ public class kelondroRecords {
if ((values == null) || (values[0] == null)) { if ((values == null) || (values[0] == null)) {
// load from database, but ONLY the key! // load from database, but ONLY the key!
if (this.handle.index == NUL) { if (this.handle.index == NUL) {
throw new IllegalStateException("Cannot load Key"); throw new kelondroException(filename, "Cannot load Key");
} else { } else {
values = new byte[COLWIDTHS.length][]; values = new byte[COLWIDTHS.length][];
entryFile.seek(seekpos(this.handle) + overhead); entryFile.seek(seekpos(this.handle) + overhead);
@ -558,7 +558,7 @@ public class kelondroRecords {
if ((values == null) || (values[0] == null)) { if ((values == null) || (values[0] == null)) {
// load ALL values from database // load ALL values from database
if (this.handle.index == NUL) { if (this.handle.index == NUL) {
throw new IllegalStateException("Cannot load values"); throw new kelondroException(filename, "Cannot load values");
} else { } else {
values = new byte[COLWIDTHS.length][]; values = new byte[COLWIDTHS.length][];
long seek = seekpos(this.handle) + overhead; long seek = seekpos(this.handle) + overhead;
@ -592,7 +592,7 @@ public class kelondroRecords {
// then writing to the file is done here // then writing to the file is done here
// can only be called if the index has not been defined yet // can only be called if the index has not been defined yet
if (this.handle.index != NUL) { if (this.handle.index != NUL) {
throw new IllegalStateException("double assignement of handles"); throw new kelondroException(filename, "double assignement of handles");
} }
// create new index by expanding the file at the end // create new index by expanding the file at the end
// or by recycling used records // or by recycling used records
@ -600,7 +600,7 @@ public class kelondroRecords {
// place the data to the file // place the data to the file
if ((values == null) || ((values != null) && (values.length > 1) && (values[1] == null))) { if ((values == null) || ((values != null) && (values.length > 1) && (values[1] == null))) {
// there is nothing to save // there is nothing to save
throw new IllegalStateException("no values to save"); throw new kelondroException(filename, "no values to save");
} }
entryFile.seek(seekpos(this.handle)); entryFile.seek(seekpos(this.handle));
if (ohBytes == null) {for (int i = 0; i < OHBYTEC; i++) entryFile.writeByte(0);} if (ohBytes == null) {for (int i = 0; i < OHBYTEC; i++) entryFile.writeByte(0);}

22
source/de/anomic/kelondro/kelondroTree.java
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@ -279,9 +279,9 @@ public class kelondroTree extends kelondroRecords implements Comparator {
// go to next node // go to next node
searchHandle = searchNode.getOHHandle()[ct]; searchHandle = searchNode.getOHHandle()[ct];
if (searchHandle == null) throw new IllegalArgumentException("start node does not exist (handle null)"); if (searchHandle == null) throw new kelondroException(filename, "start node does not exist (handle null)");
searchNode = getNode(searchHandle, searchNode, ct); searchNode = getNode(searchHandle, searchNode, ct);
if (searchNode == null) throw new IllegalArgumentException("start node does not exist (node null)"); if (searchNode == null) throw new kelondroException(filename, "start node does not exist (node null)");
} }
// now every parent node to the start node is on the stack // now every parent node to the start node is on the stack
} }
@ -292,8 +292,8 @@ public class kelondroTree extends kelondroRecords implements Comparator {
public Object next() { public Object next() {
count++; count++;
if (nextNode == null) return null; if (nextNode == null) throw new kelondroException(filename, "no more entries available");
if (count > size()) return null; if (count > size()) throw new kelondroException(filename, "internal loopback; database corrupted");
Object ret = nextNode; Object ret = nextNode;
// middle-case // middle-case
@ -390,7 +390,7 @@ public class kelondroTree extends kelondroRecords implements Comparator {
// a node with this key does not exist and there is no node at all // a node with this key does not exist and there is no node at all
// this therefore creates the root node if an only if there was no root Node yet // this therefore creates the root node if an only if there was no root Node yet
if (getHandle(root) != null) if (getHandle(root) != null)
throw new IllegalArgumentException("tried to create root node twice"); throw new kelondroException(filename, "tried to create root node twice");
// we dont have any Nodes in the file, so start here to create one // we dont have any Nodes in the file, so start here to create one
Node e = newNode(newrow); Node e = newNode(newrow);
e.save(); e.save();
@ -420,13 +420,13 @@ public class kelondroTree extends kelondroRecords implements Comparator {
// check consistency and link new node to parent node // check consistency and link new node to parent node
parentOHHandle = parentNode.getOHHandle(); // {parent, leftchild, rightchild} parentOHHandle = parentNode.getOHHandle(); // {parent, leftchild, rightchild}
if (searchResult.isLeft()) { if (searchResult.isLeft()) {
if (parentOHHandle[leftchild] != null) throw new IllegalArgumentException("tried to create leftchild node twice"); if (parentOHHandle[leftchild] != null) throw new kelondroException(filename, "tried to create leftchild node twice");
parentOHHandle[leftchild] = theNode.handle(); parentOHHandle[leftchild] = theNode.handle();
} else if (searchResult.isRight()) { } else if (searchResult.isRight()) {
if (parentOHHandle[rightchild] != null) throw new IllegalArgumentException("tried to create rightchild node twice"); if (parentOHHandle[rightchild] != null) throw new kelondroException(filename, "tried to create rightchild node twice");
parentOHHandle[rightchild] = theNode.handle(); parentOHHandle[rightchild] = theNode.handle();
} else { } else {
throw new IllegalArgumentException("neither left nor right child"); throw new kelondroException(filename, "neither left nor right child");
} }
parentNode.setOHHandle(parentOHHandle); parentNode.setOHHandle(parentOHHandle);
@ -895,10 +895,10 @@ public class kelondroTree extends kelondroRecords implements Comparator {
public Object next() { public Object next() {
try { try {
Node nextNode = (Node) nodeIterator.next(); Node nextNode = (Node) nodeIterator.next();
if (nextNode == null) return null; // this is an error case of the nodeIterator if (nextNode == null) throw new kelondroException(filename, "no more elements available");
return nextNode.getValues(); return nextNode.getValues();
} catch (IOException e) { } catch (IOException e) {
return null; throw new kelondroException(filename, "io-error: " + e.getMessage());
} }
} }
@ -1170,7 +1170,7 @@ public class kelondroTree extends kelondroRecords implements Comparator {
return compare(((Node) a).getKey(), ((Node) b).getKey()); return compare(((Node) a).getKey(), ((Node) b).getKey());
} else throw new IllegalArgumentException("Object type or Object type combination not supported"); } else throw new IllegalArgumentException("Object type or Object type combination not supported");
} catch (IOException e) { } catch (IOException e) {
throw new IllegalStateException("IOException: " + e.getMessage()); throw new kelondroException(filename, "IOException: " + e.getMessage());
} }
} }

10
source/de/anomic/plasma/plasmaWordIndexFileCache.java
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@ -117,7 +117,13 @@ public class plasmaWordIndexFileCache {
protected Iterator wordHashes(String wordHash, boolean up) throws IOException { protected Iterator wordHashes(String wordHash, boolean up) throws IOException {
try {
return indexCache.rows(up, false, (wordHash == null) ? null : wordHash.getBytes()); return indexCache.rows(up, false, (wordHash == null) ? null : wordHash.getBytes());
} catch (kelondroException e) {
de.anomic.server.serverLog.logError("PLASMA", "kelondro error in plasmaWordIndexFileCache: " + e.getMessage() + "; deleting index for " + wordHash);
deleteComplete(wordHash);
return new HashSet().iterator();
}
} }
protected plasmaWordIndexEntity getIndex(String wordHash, boolean deleteIfEmpty) throws IOException { protected plasmaWordIndexEntity getIndex(String wordHash, boolean deleteIfEmpty) throws IOException {
@ -154,10 +160,10 @@ public class plasmaWordIndexFileCache {
row[1][0] = (byte) entries; row[1][0] = (byte) entries;
try { try {
indexCache.put(row); indexCache.put(row);
} catch (IllegalArgumentException e) { } catch (kelondroException e) {
// this is a very bad case; a database inconsistency occurred // this is a very bad case; a database inconsistency occurred
deleteComplete(wordHash); deleteComplete(wordHash);
System.out.println("fatal error in plasmaWordIndexFileCacle.addEntriesToIndex: write to word hash file " + wordHash + " failed - " + e.getMessage()); System.out.println("fatal error in plasmaWordIndexFileCacle.addEntriesToIndex: write to word hash file " + wordHash + " failed - " + e.getMessage() + " - index deleted.");
} }
} }
// finished! // finished!

46
source/de/anomic/yacy/yacySeedDB.java
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@ -270,7 +270,7 @@ public class yacySeedDB {
int c = 0; int c = 0;
while ((c < count) && (it.hasNext())) result[c++] = getConnected((String) it.next()); while ((c < count) && (it.hasNext())) result[c++] = getConnected((String) it.next());
return result; return result;
} catch (NullPointerException e) { } catch (kelondroException e) {
seedActiveDB = resetSeedTable(seedActiveDB, seedActiveDBFile); seedActiveDB = resetSeedTable(seedActiveDB, seedActiveDBFile);
System.out.println("Internal Error at yacySeedDB.seedsByAge: " + e.getMessage()); System.out.println("Internal Error at yacySeedDB.seedsByAge: " + e.getMessage());
e.printStackTrace(); e.printStackTrace();
@ -321,8 +321,15 @@ public class yacySeedDB {
seedPassiveDB.remove(seed.hash); seedPassiveDB.remove(seed.hash);
seedPotentialDB.remove(seed.hash); seedPotentialDB.remove(seed.hash);
} catch (IOException e){ } catch (IOException e){
System.out.println("ERROR add: seed.db corrupt (" + e.getMessage() + "); resetting seed.db");
e.printStackTrace();
seedActiveDB = resetSeedTable(seedActiveDB, seedActiveDBFile);
} catch (kelondroException e){
System.out.println("ERROR add: seed.db corrupt (" + e.getMessage() + "); resetting seed.db");
e.printStackTrace();
seedActiveDB = resetSeedTable(seedActiveDB, seedActiveDBFile);
} catch (IllegalArgumentException e) { } catch (IllegalArgumentException e) {
System.out.println("ERROR add: seed.db corrupt; resetting seed.db"); System.out.println("ERROR add: seed.db corrupt (" + e.getMessage() + "); resetting seed.db");
e.printStackTrace(); e.printStackTrace();
seedActiveDB = resetSeedTable(seedActiveDB, seedActiveDBFile); seedActiveDB = resetSeedTable(seedActiveDB, seedActiveDBFile);
} }
@ -337,8 +344,15 @@ public class yacySeedDB {
seedActiveDB.remove(seed.hash); seedActiveDB.remove(seed.hash);
seedPotentialDB.remove(seed.hash); seedPotentialDB.remove(seed.hash);
} catch (IOException e) { } catch (IOException e) {
System.out.println("ERROR add: seed.db corrupt (" + e.getMessage() + "); resetting seed.db");
e.printStackTrace();
seedPassiveDB = resetSeedTable(seedPassiveDB, seedPassiveDBFile);
} catch (kelondroException e) {
System.out.println("ERROR add: seed.db corrupt (" + e.getMessage() + "); resetting seed.db");
e.printStackTrace();
seedPassiveDB = resetSeedTable(seedPassiveDB, seedPassiveDBFile);
} catch (IllegalArgumentException e) { } catch (IllegalArgumentException e) {
System.out.println("ERROR add: seed.db corrupt; resetting seed.db"); System.out.println("ERROR add: seed.db corrupt (" + e.getMessage() + "); resetting seed.db");
e.printStackTrace(); e.printStackTrace();
seedPassiveDB = resetSeedTable(seedPassiveDB, seedPassiveDBFile); seedPassiveDB = resetSeedTable(seedPassiveDB, seedPassiveDBFile);
} }
@ -353,8 +367,15 @@ public class yacySeedDB {
seedActiveDB.remove(seed.hash); seedActiveDB.remove(seed.hash);
seedPassiveDB.remove(seed.hash); seedPassiveDB.remove(seed.hash);
} catch (IOException e) { } catch (IOException e) {
System.out.println("ERROR add: seed.db corrupt (" + e.getMessage() + "); resetting seed.db");
e.printStackTrace();
seedPassiveDB = resetSeedTable(seedPassiveDB, seedPassiveDBFile);
} catch (kelondroException e) {
System.out.println("ERROR add: seed.db corrupt (" + e.getMessage() + "); resetting seed.db");
e.printStackTrace();
seedPassiveDB = resetSeedTable(seedPassiveDB, seedPassiveDBFile);
} catch (IllegalArgumentException e) { } catch (IllegalArgumentException e) {
System.out.println("ERROR add: seed.db corrupt; resetting seed.db"); System.out.println("ERROR add: seed.db corrupt (" + e.getMessage() + "); resetting seed.db");
e.printStackTrace(); e.printStackTrace();
seedPassiveDB = resetSeedTable(seedPassiveDB, seedPassiveDBFile); seedPassiveDB = resetSeedTable(seedPassiveDB, seedPassiveDBFile);
} }
@ -567,8 +588,14 @@ public class yacySeedDB {
try { try {
it = (firstKey == null) ? database.maps(up, rot) : database.maps(up, rot, firstKey); it = (firstKey == null) ? database.maps(up, rot) : database.maps(up, rot, firstKey);
nextSeed = internalNext(); nextSeed = internalNext();
} catch (Exception e) { } catch (IOException e) {
System.out.println("ERROR seedLinEnum: seed.db corrupt; resetting seed.db"); System.out.println("ERROR seedLinEnum: seed.db corrupt (" + e.getMessage() + "); resetting seed.db");
e.printStackTrace();
if (database == seedActiveDB) seedActiveDB = resetSeedTable(seedActiveDB, seedActiveDBFile);
if (database == seedPassiveDB) seedPassiveDB = resetSeedTable(seedPassiveDB, seedPassiveDBFile);
it = null;
} catch (kelondroException e) {
System.out.println("ERROR seedLinEnum: seed.db corrupt (" + e.getMessage() + "); resetting seed.db");
e.printStackTrace(); e.printStackTrace();
if (database == seedActiveDB) seedActiveDB = resetSeedTable(seedActiveDB, seedActiveDBFile); if (database == seedActiveDB) seedActiveDB = resetSeedTable(seedActiveDB, seedActiveDBFile);
if (database == seedPassiveDB) seedPassiveDB = resetSeedTable(seedPassiveDB, seedPassiveDBFile); if (database == seedPassiveDB) seedPassiveDB = resetSeedTable(seedPassiveDB, seedPassiveDBFile);
@ -581,14 +608,13 @@ public class yacySeedDB {
try { try {
it = database.maps(up, field); it = database.maps(up, field);
nextSeed = internalNext(); nextSeed = internalNext();
} catch (Exception e) { } catch (kelondroException e) {
System.out.println("ERROR seedLinEnum: seed.db corrupt; resetting seed.db"); System.out.println("ERROR seedLinEnum: seed.db corrupt (" + e.getMessage() + "); resetting seed.db");
e.printStackTrace(); e.printStackTrace();
if (database == seedActiveDB) seedActiveDB = resetSeedTable(seedActiveDB, seedActiveDBFile); if (database == seedActiveDB) seedActiveDB = resetSeedTable(seedActiveDB, seedActiveDBFile);
if (database == seedPassiveDB) seedPassiveDB = resetSeedTable(seedPassiveDB, seedPassiveDBFile); if (database == seedPassiveDB) seedPassiveDB = resetSeedTable(seedPassiveDB, seedPassiveDBFile);
it = null; it = null;
} } }
}
public boolean hasMoreElements() { public boolean hasMoreElements() {
return (nextSeed != null); return (nextSeed != null);

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