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Minor changes in src/app/document_access.h

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This commit is contained in:
David Capello 2015-08-13 17:25:54 -03:00
parent 40394d9695
commit 8c6c1d29df
1 changed files with 26 additions and 29 deletions
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55
src/app/document_access.h
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@ -65,29 +65,31 @@ namespace app {
// the lock cannot be obtained.
class DocumentReader : public DocumentAccess {
public:
DocumentReader()
{
DocumentReader() {
}
explicit DocumentReader(Document* document, int timeout)
: DocumentAccess(document)
{
: DocumentAccess(document) {
if (m_document && !m_document->lock(Document::ReadLock, timeout))
throw LockedDocumentException();
}
explicit DocumentReader(const DocumentReader& copy, int timeout)
: DocumentAccess(copy)
{
: DocumentAccess(copy) {
if (m_document && !m_document->lock(Document::ReadLock, timeout))
throw LockedDocumentException();
}
~DocumentReader()
{
// unlock the document
if (m_document)
~DocumentReader() {
unlock();
}
protected:
void unlock() {
if (m_document) {
m_document->unlock();
m_document = nullptr;
}
}
private:
@ -104,15 +106,13 @@ namespace app {
public:
DocumentWriter()
: m_from_reader(false)
, m_locked(false)
{
, m_locked(false) {
}
explicit DocumentWriter(Document* document, int timeout)
: DocumentAccess(document)
, m_from_reader(false)
, m_locked(false)
{
, m_locked(false) {
if (m_document) {
if (!m_document->lock(Document::WriteLock, timeout))
throw LockedDocumentException();
@ -126,8 +126,7 @@ namespace app {
explicit DocumentWriter(const DocumentReader& document, int timeout)
: DocumentAccess(document)
, m_from_reader(true)
, m_locked(false)
{
, m_locked(false) {
if (m_document) {
if (!m_document->lockToWrite(timeout))
throw LockedDocumentException();
@ -136,20 +135,19 @@ namespace app {
}
}
~DocumentWriter()
{
unlockWriter();
~DocumentWriter() {
unlock();
}
protected:
void unlockWriter()
{
void unlock() {
if (m_document && m_locked) {
if (m_from_reader)
m_document->unlockToRead();
else
m_document->unlock();
m_document = nullptr;
m_locked = false;
}
}
@ -168,19 +166,18 @@ namespace app {
class DocumentDestroyer : public DocumentWriter {
public:
explicit DocumentDestroyer(Context* context, Document* document, int timeout)
: DocumentWriter(document, timeout)
{
: DocumentWriter(document, timeout) {
}
void destroyDocument()
{
void destroyDocument() {
ASSERT(m_document != NULL);
m_document->close();
unlockWriter();
Document* doc = m_document;
unlock();
delete m_document;
m_document = NULL;
delete doc;
m_document = nullptr;
}
};