Examples of com.persistit.Management

com.persistit.Management

Interface for a service object that exposes information about the Persistit environment. With this public API, embedding applications can query performance metrics and resources within Persistit that are not exposed by the normal access methods. For example, this class provides methods that enumerate the volumes currently mounted, the size and effectiveness of buffer pool components, and many other items that may be useful in tuning and managing Persistit.

Methods of this class are exposed via RMI (Remote Method Invocation) to permit management tools to operate remotely. For example, the AdminUI tool can connect to a running Persistit instance via RMI. Most of the information available on this interface is also accessible through JMX MXBeans.
@version 1.0

    }


    @Override
    protected void refresh(boolean reset) {
        try {
            Management management = _adminUI.getManagement();
            if (management == null) {
                _version.setText("");
                _copyright.setText("");
                _started.setText("");
                _elapsed.setText("");


                _totalReads.setText("");
                _totalWrites.setText("");
                _totalGets.setText("");
                _hitRatio.setText("");


                _commits.setText("");
                _rollbacks.setText("");
                _rollbacksSinceLastCommit.setText("");


                _journalCurLocation.setText("");
                _journalBlockSize.setText("");


                _journalBaseAddress.setText("");
                _journalPageMapSize.setText("");
                _journalPageCount.setText("");
                _journalCopiedPageCount.setText("");
                _journalReadPageCount.setText("");


                _journalValidCkptTime.setText("");
                _journalValidCkptAgo.setText("");
                _journalValidCkptTimestamp.setText("");
                _journalValidCkptLocation.setText("");


                _journalAppendOnly.setText("");
                _journalCopyFast.setText("");


                _recoveryApplied.setText("");
                _recoveryBaseAddress.setText("");
                _recoveryCkptLocation.setText("");
                _recoveryCkptTime.setText("");
                _recoveryCkptTimestamp.setText("");
                _recoveryCommitted.setText("");
                _recoveryEndAddress.setText("");
                _recoveryException.setText("");
                _recoveryKeystone.setText("");
                _recoveryUncommitted.setText("");


                _volumeInfoArrayModel.setInfoArray(null);


            } else {
                _version.setText(management.getVersion());
                _copyright.setText(management.getCopyright());


                _started.setText(_adminUI.formatDate(management.getStartTime()));


                _elapsed.setText(_adminUI.formatTime(management.getElapsedTime()));


                _frozenUpdates.setText(management.isUpdateSuspended() ? _frozenTrueCaption : _frozenFalseCaption);


                _frozenUpdates.setForeground(management.isUpdateSuspended() ? Color.red : _normalForegroundColor);


                _frozenShutdown.setText(management.isShutdownSuspended() ? _frozenTrueCaption : _frozenFalseCaption);


                _frozenShutdown.setForeground(management.isShutdownSuspended() ? Color.red : _normalForegroundColor);


                final Management.JournalInfo jinfo = management.getJournalInfo();
                _journalCurLocation.setText(_adminUI.formatFileLocation(jinfo.getCurrentJournalFile(), jinfo
                        .getCurrentJournalAddress()));
                _journalBlockSize.setText(_adminUI.formatLong(jinfo.getBlockSize()));


                _journalBaseAddress.setText(_adminUI.formatLong(jinfo.getBaseAddress()));


                _journalPageMapSize.setText(_adminUI.formatLong(jinfo.getPageMapSize()));
                _journalPageCount.setText(_adminUI.formatLong(jinfo.getJournaledPageCount()));
                _journalCopiedPageCount.setText(_adminUI.formatLong(jinfo.getCopiedPageCount()));
                _journalReadPageCount.setText(_adminUI.formatLong(jinfo.getReadPageCount()));


                if (jinfo.getLastValidCheckpointSystemTime() != 0) {
                    _journalValidCkptTime.setText(_adminUI.formatDate(jinfo.getLastValidCheckpointSystemTime()));
                    _journalValidCkptAgo.setText(_adminUI.formatLong(jinfo.getLastValidCheckpointAge()));
                    _journalValidCkptTimestamp.setText(_adminUI.formatLong(jinfo.getLastValidCheckpointTimestamp()));
                    _journalValidCkptLocation.setText(_adminUI.formatFileLocation(jinfo
                            .getLastValidCheckpointJournalFile(), jinfo.getLastValidCheckpointJournalAddress()));
                }


                _journalAppendOnly.setText(jinfo.isAppendOnly() ? _enabledCaption : _disabledCaption);


                _journalCopyFast.setText(jinfo.isFastCopying() ? _enabledCaption : _disabledCaption);


                final Management.RecoveryInfo rinfo = management.getRecoveryInfo();


                _recoveryApplied.setText(_adminUI.formatInteger(rinfo.getAppliedTransactions()));
                _recoveryBaseAddress.setText(_adminUI.formatLong(rinfo.getBaseAddress()));
                _recoveryCkptLocation.setText(_adminUI.formatLong(rinfo.getLastValidCheckpointJournalAddress()));
                _recoveryCkptTime.setText(_adminUI.formatDate(rinfo.getLastValidCheckpointSystemTime()));
                _recoveryCkptTimestamp.setText(_adminUI.formatLong(rinfo.getLastValidCheckpointTimestamp()));
                _recoveryCommitted.setText(_adminUI.formatInteger(rinfo.getCommittedTransactions()));
                _recoveryEndAddress.setText(_adminUI.formatLong(rinfo.getRecoveryEndAddress()));
                _recoveryException.setText(rinfo.getRecoveryEndedException() == null ? "none" : rinfo
                        .getRecoveryEndedException());
                _recoveryKeystone.setText(_adminUI.formatFileLocation(rinfo.getKeystoneJournalFile(), rinfo
                        .getKeystoneJournalAddress()));
                _recoveryUncommitted.setText(_adminUI.formatInteger(rinfo.getUncommittedTransactions()));


                final Management.BufferPoolInfo[] bpia = management.getBufferPoolInfoArray();


                long reads = 0;
                long writes = 0;
                long misses = 0;
                long hits = 0;
                long creates = 0;


                for (int index = 0; index < bpia.length; index++) {
                    misses += bpia[index].getMissCount();
                    hits += bpia[index].getHitCount();
                    creates += bpia[index].getNewCount();
                }


                Management.VolumeInfo[] via = management.getVolumeInfoArray();


                if (_selectedVolumeName == null && via.length > 0) {
                    _selectedVolumeName = via[0].getPath();
                }


                for (int index = 0; index < via.length; index++) {
                    reads += via[index].getReadCounter();
                    writes += via[index].getWriteCounter();
                }


                _totalReads.setText(_adminUI.formatLong(reads));
                _totalWrites.setText(_adminUI.formatLong(writes));
                _totalGets.setText(_adminUI.formatLong(misses));
                _hitRatio.setText(misses + hits + creates > 0 ? _adminUI.formatPercent((double) hits
                        / (double) (misses + hits + creates)) : "n/a");
                _volumeInfoArrayModel.setInfoArray(via);


                Management.TransactionInfo transactionInfo = management.getTransactionInfo();
                _commits.setText(_adminUI.formatLong(transactionInfo.getCommitCount()));
                _rollbacks.setText(_adminUI.formatLong(transactionInfo.getRollbackCount()));
                _rollbacksSinceLastCommit.setText(_adminUI.formatLong(transactionInfo.getRollbackSinceCommitCount()));


            }

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            if (_refreshing)
                return;
            _refreshing = true;
        }
        try {
            Management management = _adminUI.getManagement();
            if (reset) {
                _bufferPoolIndex = -1;
                _selectedExcludeMask = null;
                _selectedIncludeMask = null;
                _selectedTraversalType = 0;
                if (_toggleList != null) {
                    for (int index = 0; index < _toggleList.size(); index++) {
                        JToggleButton toggle = (JToggleButton) _toggleList.get(index);
                        toggle.setSelected(false);
                    }
                }
                // if (_modeCombo != null)
                // {
                // _modeCombo.setSelectedIndex(0);
                // }
            }


            Management.BufferPoolInfo[] bufferPoolInfoArray = management == null ? null : management
                    .getBufferPoolInfoArray();


            _bufferPoolInfoArrayModel.setInfoArray(bufferPoolInfoArray);


            if (_bufferPoolIndex < 0)
                _bufferPoolIndex = 0;
            if (_bufferPoolIndex >= 0 && bufferPoolInfoArray != null && _bufferPoolIndex < bufferPoolInfoArray.length) {
                int bufferSize = bufferPoolInfoArray[_bufferPoolIndex].getBufferSize();
                _bufferInfoArrayModel.setInfoArray(management.getBufferInfoArray(bufferSize, _selectedTraversalType,
                        _selectedIncludeMask, _selectedExcludeMask));


                _poolDetailBorder.setTitle(MessageFormat.format(_poolDetailBorderPattern, new Object[] { _adminUI
                        .formatInteger(bufferSize) }));
                _poolDetailPanel.repaint(0, 0, 1000, 30);

View Full Code Here

            if (_refreshing)
                return;
            _refreshing = true;
        }
        try {
            Management management = _adminUI.getManagement();
            if (reset) {
                _selectedTreeName = null;
                _selectedVolumeName = null;
                _logicalRecordArrayModel.setInfoArray(null);
            }


            Management.VolumeInfo[] volumeInfoArray = null;
            if (management != null) {
                volumeInfoArray = management.getVolumeInfoArray();
            }
            _volumeInfoArrayModel.setInfoArray(volumeInfoArray);


            Management.TreeInfo[] treeInfoArray = null;
            if (management != null && _selectedVolumeName != null) {
                treeInfoArray = management.getTreeInfoArray(_selectedVolumeName);
            }
            _treeInfoArrayModel.setInfoArray(treeInfoArray);
            if (_selectedTreeName != null) {
                for (int index = 0; index < treeInfoArray.length; index++) {
                    if (_selectedTreeName.equals(treeInfoArray[index].getName())) {

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        add(splitPane, BorderLayout.CENTER);
    }


    @Override
    protected void refreshed() {
        Management management = _adminUI.getManagement();
        Management.LogicalRecord lr = _host.getLogicalRecord();
        if (management == null || lr == null) {
            nullMessage();
        } else if (_host.isShowValue()) {
            ValueState valueState = lr.getValueState();
            try {
                Object[] results = management.decodeValueObjects(valueState, null);
                ValueInspectorTreeNode root = new ValueInspectorTreeNode(null, results, "Value", Object[].class);
                _treeModel.setRoot(root);
                _textArea.setText(null);


            } catch (Exception e) {
                _host.setLogicalRecord(null);
                _adminUI.postException(e);
            }
        } else {
            KeyState keyState = lr.getKeyState();
            try {
                Object[] results = management.decodeKeyObjects(keyState, null);


                ValueInspectorTreeNode root = new ValueInspectorTreeNode(null, results, "KeySegments", Object[].class);
                _treeModel.setRoot(root);
            } catch (Exception e) {
                _host.setLogicalRecord(null);

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        _adminUI.scheduleRefresh(-1);
    }


    @Override
    public void actionPerformed(AdminAction action, ActionEvent ae) {
        Management management = _adminUI.getManagement();
        if (management == null)
            return;
        try {
            String name = action.getName();
            boolean suspend = "SUSPEND_TASKS".equals(name);
            boolean resume = "RESUME_TASKS".equals(name);
            boolean stop = "STOP_TASKS".equals(name);
            boolean remove = "REMOVE_TASKS".equals(name);


            if (suspend || resume || stop || remove) {
                int[] selectedRows = _taskTable.getSelectedRows();
                TaskStatus[] tsArray = new TaskStatus[selectedRows.length];
                for (int index = 0; index < tsArray.length; index++) {
                    int row = selectedRows[index];
                    TaskStatus ts = (TaskStatus) _taskStatusArrayModel.getValueAt(row, -1);
                    tsArray[index] = ts;
                }
                for (int index = 0; index < tsArray.length; index++) {
                    TaskStatus ts = tsArray[index];
                    long taskId = ts.getTaskId();
                    if (suspend || resume) {
                        management.setTaskSuspended(taskId, suspend);
                    } else if (stop || remove) {
                        management.stopTask(taskId, remove);
                    }
                }
            }
            _adminUI.scheduleRefresh(-1);
        } catch (Exception e) {

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        updateDetailedTaskStatus();
        return false;
    }


    private void updateDetailedTaskStatus() {
        Management management = _adminUI.getManagement();


        if (_selectedTaskId == -1 || management == null) {
            updateDetailedTaskStatus(null);
        } else {
            try {
                TaskStatus[] array = management.queryTaskStatus(_selectedTaskId, true, false, false);
                if (array.length == 1) {
                    updateDetailedTaskStatus(array[0]);
                }
            } catch (RemoteException re) {
                _adminUI.postException(re);

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            _refreshing = true;
        }
        try {
            boolean liveTasks = false;
            boolean stillSelected = false;
            Management management = _adminUI.getManagement();
            if (management != null) {
                TaskStatus[] taskStatusArray = management.queryTaskStatus(-1, false, false, false);
                _taskStatusArrayModel.setInfoArray(taskStatusArray);
                setTaskActionEnabledState(_taskTable.getSelectedRowCount() > 0);
                for (int index = 0; index < taskStatusArray.length; index++) {
                    TaskStatus ts = taskStatusArray[index];
                    if (ts.getState() < Task.STATE_DONE)

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            Management.LogicalRecord rec = null;
            if (_from != -1) {
                rec = (Management.LogicalRecord) _infoArray[_from - _offset];
            }
            KeyState ks = rec == null ? KeyState.LEFT_GUARD_KEYSTATE : rec.getKeyState();
            Management management = _adminUI.getManagement();
            _resultRows = new Management.LogicalRecord[0];
            if (management != null) {
                try {
                    if (_skipCount > 0) {
                        LogicalRecordCount lrc = management.getLogicalRecordCount(_volumeName, _treeName,
                                _keyFilterString, ks, _forward ? Key.GT : Key.LT, _skipCount);
                        int skipped = lrc.getCount();
                        if (skipped > 0) {
                            ks = lrc.getKeyState();
                            _from = _forward ? _from + skipped : _from - skipped;
                        }
                    }


                    _resultRows = management.getLogicalRecordArray(_volumeName, _treeName, _keyFilterString, ks,
                            _forward ? Key.GT : Key.LT, _requestedCount, _maxValueSize, true);
                } catch (RemoteException remoteException) {
                    // TODO
                    _exception = remoteException;
                }

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            if (_refreshing)
                return;
            _refreshing = true;
        }
        try {
            Management management = _management;
            if (management != null) {
                try {
                    management.isInitialized();
                } catch (RemoteException re) {
                    disconnect();
                    management = null;
                }
            }

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    public Management getManagement() {
        return _management;
    }


    public void setManagement(Management newManagement) {
        Management oldManagement = _management;
        if (oldManagement != null) {
            unfreeze(oldManagement);
        }
        _management = newManagement;
        SwingUtilities.invokeLater(this);

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Related Classes of com.persistit.Management

com.persistit.ui.AdminUI

com.persistit.ui.AdminUIBufferPanel

com.persistit.ui.AdminUISummaryPanel

com.persistit.ui.AdminUITaskPanel

com.persistit.ui.AdminUITreePanel

com.persistit.ui.InspectorObjectPanel

com.persistit.ui.InspectorPanel$Fetcher

com.persistit.ui.ManagementSlidingTableModel$Fetcher

com.persistit.ui.TreeAndVolumeSelector

java.util.Date

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