1 files changed, 0 insertions, 152 deletions
diff --git a/Source/WebCore/Modules/indexeddb/IDBTransactionCoordinator.cpp b/Source/WebCore/Modules/indexeddb/IDBTransactionCoordinator.cpp
deleted file mode 100644
index dd4f86fbf..000000000
--- a/Source/WebCore/Modules/indexeddb/IDBTransactionCoordinator.cpp
+++ /dev/null
@@ -1,152 +0,0 @@
-/*
- * Copyright (C) 2010 Google Inc. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1.  Redistributions of source code must retain the above copyright
- *     notice, this list of conditions and the following disclaimer.
- * 2.  Redistributions in binary form must reproduce the above copyright
- *     notice, this list of conditions and the following disclaimer in the
- *     documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY APPLE AND ITS CONTRIBUTORS "AS IS" AND ANY
- * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
- * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
- * DISCLAIMED. IN NO EVENT SHALL APPLE OR ITS CONTRIBUTORS BE LIABLE FOR ANY
- * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
- * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
- * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
- * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
- * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
- */
-
-#include "config.h"
-#include "IDBTransactionCoordinator.h"
-
-#if ENABLE(INDEXED_DATABASE)
-
-#include "IDBDatabaseCallbacks.h"
-#include "IDBTransactionBackend.h"
-
-namespace WebCore {
-
-PassOwnPtr<IDBTransactionCoordinator> IDBTransactionCoordinator::create()
-{
-    return adoptPtr(new IDBTransactionCoordinator());
-}
-
-IDBTransactionCoordinator::IDBTransactionCoordinator()
-{
-}
-
-IDBTransactionCoordinator::~IDBTransactionCoordinator()
-{
-}
-
-void IDBTransactionCoordinator::didCreateTransaction(IDBTransactionBackend* transaction)
-{
-    ASSERT(!m_transactions.contains(transaction));
-    m_transactions.add(transaction, transaction);
-}
-
-void IDBTransactionCoordinator::didStartTransaction(IDBTransactionBackend* transaction)
-{
-    ASSERT(m_transactions.contains(transaction));
-
-    m_queuedTransactions.add(transaction);
-    processStartedTransactions();
-}
-
-void IDBTransactionCoordinator::didFinishTransaction(IDBTransactionBackend* transaction)
-{
-    ASSERT(m_transactions.contains(transaction));
-
-    if (m_queuedTransactions.contains(transaction)) {
-        ASSERT(!m_startedTransactions.contains(transaction));
-        m_queuedTransactions.remove(transaction);
-    } else if (m_startedTransactions.contains(transaction))
-        m_startedTransactions.remove(transaction);
-
-    m_transactions.remove(transaction);
-
-    processStartedTransactions();
-}
-
-#ifndef NDEBUG
-// Verifies internal consistiency while returning whether anything is found.
-bool IDBTransactionCoordinator::isActive(IDBTransactionBackend* transaction)
-{
-    bool found = false;
-    if (m_queuedTransactions.contains(transaction))
-        found = true;
-    if (m_startedTransactions.contains(transaction)) {
-        ASSERT(!found);
-        found = true;
-    }
-    ASSERT(found == m_transactions.contains(transaction));
-    return found;
-}
-#endif
-
-void IDBTransactionCoordinator::processStartedTransactions()
-{
-    if (m_queuedTransactions.isEmpty())
-        return;
-
-    ASSERT(m_startedTransactions.isEmpty() || (*m_startedTransactions.begin())->mode() != IndexedDB::TransactionMode::VersionChange);
-
-    ListHashSet<IDBTransactionBackend*>::const_iterator it = m_queuedTransactions.begin();
-    while (it != m_queuedTransactions.end()) {
-        IDBTransactionBackend* transaction = *it;
-        ++it;
-        if (canRunTransaction(transaction)) {
-            m_queuedTransactions.remove(transaction);
-            m_startedTransactions.add(transaction);
-            transaction->run();
-        }
-    }
-}
-
-static bool doScopesOverlap(const HashSet<int64_t>& scope1, const HashSet<int64_t>& scope2)
-{
-    for (HashSet<int64_t>::const_iterator it = scope1.begin(); it != scope1.end(); ++it) {
-        if (scope2.contains(*it))
-            return true;
-    }
-    return false;
-}
-
-bool IDBTransactionCoordinator::canRunTransaction(IDBTransactionBackend* transaction)
-{
-    ASSERT(m_queuedTransactions.contains(transaction));
-    switch (transaction->mode()) {
-    case IndexedDB::TransactionMode::VersionChange:
-        ASSERT(m_queuedTransactions.size() == 1);
-        ASSERT(m_startedTransactions.isEmpty());
-        return true;
-
-    case IndexedDB::TransactionMode::ReadOnly:
-        return true;
-
-    case IndexedDB::TransactionMode::ReadWrite:
-        for (HashSet<IDBTransactionBackend*>::const_iterator it = m_startedTransactions.begin(); it != m_startedTransactions.end(); ++it) {
-            if ((*it)->mode() == IndexedDB::TransactionMode::ReadWrite && doScopesOverlap(transaction->scope(), (*it)->scope()))
-                return false;
-        }
-        for (ListHashSet<IDBTransactionBackend*>::const_iterator it = m_queuedTransactions.begin(); *it != transaction; ++it) {
-            ASSERT(it != m_queuedTransactions.end());
-            if ((*it)->mode() == IndexedDB::TransactionMode::ReadWrite && doScopesOverlap(transaction->scope(), (*it)->scope()))
-                return false;
-        }
-        return true;
-    }
-    ASSERT_NOT_REACHED();
-    return false;
-}
-
-};
-
-#endif // ENABLE(INDEXED_DATABASE)