List of unlatch() Examples

Examples of unlatch()

org.apache.derby.iapi.store.raw.Page.unlatch()
Unlatch me, the page is exclusivly latched by its current user until this method call is made.
After using this method the caller must throw away the reference to the Page object, e.g.
```
 ref.unlatch(); ref = null; 
```
The page will be released automatically at the close of the container if this method is not called explictly.
MT - latched
org.apache.derby.impl.store.raw.data.BasePage.unlatch()
Unlatch the page. @see Page#unlatch

Examples of org.apache.derby.impl.store.raw.data.BasePage.unlatch()

          // Update the previous record header to point to new portion
          if (curPage == this)
            updateOverflowDetails(this, handle, portionHandle);
          else
            updateOverflowDetails(handle, portionHandle);
          op.unlatch();
        } 
                else 
                {


          // See earlier comments on checking row reserved space.

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Examples of org.apache.derby.impl.store.raw.data.BasePage.unlatch()

      // into the storable row.


    } finally {


      if (p != null) {
        p.unlatch();
        p = null;
      }
    }
  }

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Examples of org.apache.derby.impl.store.raw.data.BasePage.unlatch()

                                                             encryptionBuf, false);
                        backupRaf.write(dataToWrite, 0, pageSize);


                        // unlatch releases page from cache, see 
                        // StoredPage.releaseExclusive()
                        page.unlatch();
                        page = null;


                        // check if some one wants to commit drop the table while
                        // conatiner is being written to the backup. If so,
                        // abort  the backup and restart it once the drop

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Examples of org.apache.derby.impl.store.raw.data.BasePage.unlatch()

                    inBackup = false;
                    notifyAll();
                }


                if (page != null) {
                    page.unlatch();
                    page = null;
                }


                // if backup of container is not complete, close the file
                // handles and  remove the container file from the backup

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Examples of org.apache.derby.impl.store.raw.data.BasePage.unlatch()

                                                     encryptionBuf, 
                                                     true);
                newRaf.write(dataToWrite, 0, pageSize);


                // unlatch releases page from cache.
                page.unlatch();
                page = null;
            }


            // sync the new version of the container.
            newRaf.sync(true);

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Examples of org.apache.derby.impl.store.raw.data.BasePage.unlatch()

                                    ioe, 
                                    newFile);
        } finally {


            if (page != null) {
                page.unlatch();
                page = null;
            }
            
            if (newRaf != null) {
                try {

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Examples of org.apache.derby.impl.store.raw.data.BasePage.unlatch()

                    // If the lock manager were changed to allow latches to be 
                    // transferred between transactions, wouldn't need to 
                    // unlatch to do the transfer, and would avoid having to 
                    // retry in these cases (beetle 4011).


            page.unlatch();
            page = null;


            // need to find it in the cache again since unlatch also 
                    // unkept the page from the cache
            page = (BasePage)pageCache.find(pkey);

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Examples of org.apache.derby.impl.store.raw.data.BasePage.unlatch()

                        page.getPageStatus() != BasePage.VALID_PAGE)
                    {
                        retry = true;
                        if (page != null)
                        {
                            page.unlatch();
                            page = null;
                        }
                        allocPage.unlatch();
                        allocPage = null;
                    }

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Examples of org.apache.derby.impl.store.raw.data.BasePage.unlatch()

                SanityManager.ASSERT(page.isLatched());
    }
    catch (StandardException se)
    {
      if (page != null)
        page.unlatch();
      page = null;


      throw se;      // rethrow error
    }
    finally

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Examples of org.apache.derby.impl.store.raw.data.BasePage.unlatch()

    // readers) if that is needed
    if ((page.isOverflowPage() && !overflowOK) ||
      (page.getPageStatus() != BasePage.VALID_PAGE))
    {
      // unlatch releases page from cache, see StoredPage.releaseExclusive()
            page.unlatch();
      page = null;
    }


    return page;
  }

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