List of usage examples for java.io ObjectInputStream readInt
public int readInt() throws IOException
From source file:ConcurrentHashMap.java
/** * Reconstitute the <tt>ConcurrentHashMap</tt> instance from a stream * (i.e., deserialize it)./*from ww w . java2 s. c o m*/ * @param s * @throws IOException * @throws ClassNotFoundException */ private void readObject(java.io.ObjectInputStream s) throws IOException, ClassNotFoundException { // Read in the threshold, loadfactor, and any hidden stuff s.defaultReadObject(); int cap = s.readInt(); table = newTable(cap); for (int i = 0; i < segments.length; ++i) { segments[i] = new Segment(); } // Read the keys and values, and put the mappings in the table for (;;) { Object key = s.readObject(); Object value = s.readObject(); if (key == null) { break; } put(key, value); } }
From source file:com.bigdata.dastor.db.ColumnFamilyStore.java
protected Set<String> readSavedCache(File path, boolean sort) throws IOException { Set<String> keys; if (sort) {/*from w ww . j av a 2 s . co m*/ // sort the results on read because cache may be written many times during server lifetime, // so better to pay that price once on startup than sort at write time. keys = new TreeSet<String>(StorageProxy.keyComparator); } else { keys = new HashSet<String>(); } long start = System.currentTimeMillis(); if (path.exists()) { if (logger_.isDebugEnabled()) logger_.debug("reading saved cache from " + path); ObjectInputStream in = new ObjectInputStream(new BufferedInputStream(new FileInputStream(path))); Charset UTF8 = Charset.forName("UTF-8"); while (in.available() > 0) { int size = in.readInt(); byte[] bytes = new byte[size]; in.readFully(bytes); keys.add(new String(bytes, UTF8)); } in.close(); if (logger_.isDebugEnabled()) logger_.debug(String.format("completed reading (%d ms; %d keys) from saved cache at %s", (System.currentTimeMillis() - start), keys.size(), path)); } return keys; }
From source file:net.di2e.ecdr.commons.CDRMetacard.java
/** * Deserializes this instance./*ww w. jav a 2 s. c o m*/ * * @param stream * the {@link ObjectInputStream} that contains the bytes of the object * @throws IOException * @throws ClassNotFoundException */ private void readObject(ObjectInputStream stream) throws IOException, ClassNotFoundException { /* * defaultReadObject() is invoked for greater flexibility and compatibility. See the *Serialization Note* in * class Javadoc. */ stream.defaultReadObject(); map = new HashMap<String, Attribute>(); wrappedMetacard = null; type = (MetacardType) stream.readObject(); if (type == null) { throw new InvalidObjectException(MetacardType.class.getName() + " instance cannot be null."); } int numElements = stream.readInt(); for (int i = 0; i < numElements; i++) { Attribute attribute = (Attribute) stream.readObject(); if (attribute != null) { AttributeDescriptor attributeDescriptor = getMetacardType() .getAttributeDescriptor(attribute.getName()); if (attributeDescriptor != null && attribute.getValue() != null) { attributeDescriptor.getType().getAttributeFormat(); attributeDescriptor.getType().getClass(); } } setAttribute(attribute); } }
From source file:ConcurrentReaderHashMap.java
/** * Reconstitute the <tt>ConcurrentReaderHashMap</tt> * instance from a stream (i.e.,/*from w w w.jav a2s . c o m*/ * deserialize it). */ private synchronized void readObject(java.io.ObjectInputStream s) throws IOException, ClassNotFoundException { // Read in the threshold, loadfactor, and any hidden stuff s.defaultReadObject(); // Read in number of buckets and allocate the bucket array; int numBuckets = s.readInt(); table = new Entry[numBuckets]; // Read in size (number of Mappings) int size = s.readInt(); // Read the keys and values, and put the mappings in the table for (int i = 0; i < size; i++) { Object key = s.readObject(); Object value = s.readObject(); put(key, value); } }
From source file:edu.umd.cs.marmoset.modelClasses.TestOutcome.java
private void readObject(ObjectInputStream stream) throws IOException, ClassNotFoundException { int thisMinorVersion = stream.readInt(); if (thisMinorVersion != serialMinorVersion) throw new IOException("Illegal minor version " + thisMinorVersion + ", expecting minor version " + serialMinorVersion);//from ww w . j av a 2s . c o m stream.defaultReadObject(); truncateLongTestResult(); }
From source file:bftsmart.tom.core.Synchronizer.java
private void processSTOPDATA(LCMessage msg, int regency) { //TODO: It is necessary to verify the proof of the last decided consensus and the signature of the state of the current consensus! CertifiedDecision lastData = null;//from w ww .j a v a2 s .co m SignedObject signedCollect = null; int last = -1; byte[] lastValue = null; Set<ConsensusMessage> proof = null; ByteArrayInputStream bis; ObjectInputStream ois; try { // deserialize the content of the message bis = new ByteArrayInputStream(msg.getPayload()); ois = new ObjectInputStream(bis); if (ois.readBoolean()) { // content of the last decided cid last = ois.readInt(); lastValue = (byte[]) ois.readObject(); proof = (Set<ConsensusMessage>) ois.readObject(); //TODO: Proof is missing! } lastData = new CertifiedDecision(msg.getSender(), last, lastValue, proof); lcManager.addLastCID(regency, lastData); signedCollect = (SignedObject) ois.readObject(); ois.close(); bis.close(); lcManager.addCollect(regency, signedCollect); int bizantineQuorum = (controller.getCurrentViewN() + controller.getCurrentViewF()) / 2; int cftQuorum = (controller.getCurrentViewN()) / 2; // Did I already got messages from a Byzantine/Crash quorum, // related to the last cid as well as for the current? boolean conditionBFT = (controller.getStaticConf().isBFT() && lcManager.getLastCIDsSize(regency) > bizantineQuorum && lcManager.getCollectsSize(regency) > bizantineQuorum); boolean conditionCFT = (lcManager.getLastCIDsSize(regency) > cftQuorum && lcManager.getCollectsSize(regency) > cftQuorum); if (conditionBFT || conditionCFT) { catch_up(regency); } } catch (IOException ex) { ex.printStackTrace(System.err); } catch (ClassNotFoundException ex) { ex.printStackTrace(System.err); } }
From source file:bftsmart.tom.core.Synchronizer.java
private void processSYNC(byte[] payload, int regency) { CertifiedDecision lastHighestCID = null; int currentCID = -1; HashSet<SignedObject> signedCollects = null; byte[] propose = null; int batchSize = -1; ByteArrayInputStream bis;/*from ww w . j av a2 s . co m*/ ObjectInputStream ois; try { // deserialization of the message content bis = new ByteArrayInputStream(payload); ois = new ObjectInputStream(bis); lastHighestCID = (CertifiedDecision) ois.readObject(); signedCollects = (HashSet<SignedObject>) ois.readObject(); propose = (byte[]) ois.readObject(); batchSize = ois.readInt(); lcManager.setCollects(regency, signedCollects); currentCID = lastHighestCID.getCID() + 1; // Is the predicate "sound" true? Is the certificate for LastCID valid? if (lcManager.sound(lcManager.selectCollects(regency, currentCID)) && (!controller.getStaticConf().isBFT() || lcManager.hasValidProof(lastHighestCID))) { finalise(regency, lastHighestCID, signedCollects, propose, batchSize, false); } ois.close(); bis.close(); } catch (IOException ex) { ex.printStackTrace(); java.util.logging.Logger.getLogger(TOMLayer.class.getName()).log(Level.SEVERE, null, ex); } catch (ClassNotFoundException ex) { ex.printStackTrace(); java.util.logging.Logger.getLogger(TOMLayer.class.getName()).log(Level.SEVERE, null, ex); } }
From source file:at.tuwien.ifs.somtoolbox.apps.viewer.controls.ClusteringControl.java
public void init() { maxCluster = state.growingLayer.getXSize() * state.growingLayer.getYSize(); spinnerNoCluster = new JSpinner(new SpinnerNumberModel(1, 1, maxCluster, 1)); spinnerNoCluster.addChangeListener(new ChangeListener() { @Override/*from w w w .ja va2 s .c om*/ public void stateChanged(ChangeEvent e) { numClusters = (Integer) ((JSpinner) e.getSource()).getValue(); SortedMap<Integer, ClusterElementsStorage> m = mapPane.getMap().getCurrentClusteringTree() .getAllClusteringElements(); if (m.containsKey(numClusters)) { st = m.get(numClusters).sticky; } else { st = false; } sticky.setSelected(st); redrawClustering(); } }); JPanel clusterPanel = UiUtils.makeBorderedPanel(new FlowLayout(FlowLayout.LEFT, 10, 0), "Clusters"); sticky.setToolTipText( "Marks this number of clusters as sticky for a certain leve; the next set of clusters will have a smaller boundary"); sticky.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { st = sticky.isSelected(); SortedMap<Integer, ClusterElementsStorage> m = mapPane.getMap().getCurrentClusteringTree() .getAllClusteringElements(); if (m.containsKey(numClusters)) { ClusterElementsStorage c = m.get(numClusters); c.sticky = st; // System.out.println("test"); // ((ClusterElementsStorageNode)m.get(numClusters)).sticky = st; redrawClustering(); } } }); colorCluster = new JCheckBox("colour", state.colorClusters); colorCluster.setToolTipText("Fill the clusters in colours"); colorCluster.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { state.colorClusters = colorCluster.isSelected(); // TODO: Palette anzeigen (?) redrawClustering(); } }); UiUtils.fillPanel(clusterPanel, new JLabel("#"), spinnerNoCluster, sticky, colorCluster); getContentPane().add(clusterPanel, c.nextRow()); dendogramPanel = UiUtils.makeBorderedPanel(new GridLayout(0, 1), "Dendogram"); getContentPane().add(dendogramPanel, c.nextRow()); JPanel numLabelPanel = UiUtils.makeBorderedPanel(new GridBagLayout(), "Labels"); GridBagConstraintsIFS gcLabels = new GridBagConstraintsIFS(); labelSpinner = new JSpinner(new SpinnerNumberModel(0, 0, 99, 1)); labelSpinner.addChangeListener(new ChangeListener() { @Override public void stateChanged(ChangeEvent e) { numLabels = (Integer) ((JSpinner) e.getSource()).getValue(); state.clusterWithLabels = numLabels; redrawClustering(); } }); this.showValues = new JCheckBox("values", state.labelsWithValues); this.showValues.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { state.labelsWithValues = showValues.isSelected(); redrawClustering(); } }); int start = new Double((1 - state.clusterByValue) * 100).intValue(); valueQe = new JSlider(0, 100, start); valueQe.addChangeListener(new ChangeListener() { @Override public void stateChanged(ChangeEvent e) { int byValue = ((JSlider) e.getSource()).getValue(); state.clusterByValue = 1 - byValue / 100; redrawClustering(); } }); numLabelPanel.add(new JLabel("# Labels"), gcLabels); numLabelPanel.add(labelSpinner, gcLabels.nextCol()); numLabelPanel.add(showValues, gcLabels.nextCol()); numLabelPanel.add(valueQe, gcLabels.nextRow().setGridWidth(3).setFill(GridBagConstraints.HORIZONTAL)); getContentPane().add(numLabelPanel, c.nextRow()); Hashtable<Integer, JLabel> labelTable = new Hashtable<Integer, JLabel>(); labelTable.put(0, new JLabel("by Value")); labelTable.put(100, new JLabel("by Qe")); valueQe.setToolTipText("Method how to select representative labels - by QE, or the attribute values"); valueQe.setLabelTable(labelTable); valueQe.setPaintLabels(true); final JComboBox initialisationBox = new JComboBox(KMeans.InitType.values()); initialisationBox.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { Object o = mapPane.getMap().getClusteringTreeBuilder(); if (o instanceof KMeansTreeBuilder) { ((KMeansTreeBuilder) o).reInit((KMeans.InitType) initialisationBox.getSelectedItem()); // FIXME: is this call needed? mapPane.getMap().getCurrentClusteringTree().getAllClusteringElements(); redrawClustering(); } } }); getContentPane().add(UiUtils.fillPanel(kmeansInitialisationPanel, new JLabel("k-Means initialisation"), initialisationBox), c.nextRow()); JPanel borderPanel = new TitledCollapsiblePanel("Border", new GridLayout(1, 4), true); JSpinner borderSpinner = new JSpinner( new SpinnerNumberModel(ClusteringTree.INITIAL_BORDER_WIDTH_MAGNIFICATION_FACTOR, 0.1, 5, 0.1)); borderSpinner.addChangeListener(new ChangeListener() { @Override public void stateChanged(ChangeEvent e) { state.clusterBorderWidthMagnificationFactor = ((Double) ((JSpinner) e.getSource()).getValue()) .floatValue(); redrawClustering(); } }); borderPanel.add(new JLabel("width")); borderPanel.add(borderSpinner); borderPanel.add(new JLabel("colour")); buttonColour = new JButton(""); buttonColour.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { new ClusterBoderColorChooser(state.parentFrame, state.clusterBorderColour, ClusteringControl.this); } }); buttonColour.setBackground(state.clusterBorderColour); borderPanel.add(buttonColour); getContentPane().add(borderPanel, c.nextRow()); JPanel evaluationPanel = new TitledCollapsiblePanel("Cluster Evaluation", new GridLayout(3, 2), true); evaluationPanel.add(new JLabel("quality measure")); qualityMeasureButton = new JButton(); qualityMeasureButton.setText("ent/pur calc"); qualityMeasureButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { System.out.println("doing entropy here"); ClusteringTree clusteringTree = state.mapPNode.getClusteringTree(); if (clusteringTree == null) { // we have not clustered yet return; } // System.out.println(clusteringTree.getChildrenCount()); // FIXME put this in a method and call it on numcluster.change() SOMLibClassInformation classInfo = state.inputDataObjects.getClassInfo(); ArrayList<ClusterNode> clusters = clusteringTree.getNodesAtLevel(numClusters); System.out.println(clusters.size()); // EntropyMeasure.computeEntropy(clusters, classInfo); EntropyAndPurityCalculator eapc = new EntropyAndPurityCalculator(clusters, classInfo); // FIXME round first entropyLabel.setText(String.valueOf(eapc.getEntropy())); purityLabel.setText(String.valueOf(eapc.getPurity())); } }); evaluationPanel.add(qualityMeasureButton); GridBagConstraintsIFS gcEval = new GridBagConstraintsIFS(); evaluationPanel.add(new JLabel("entropy"), gcEval); evaluationPanel.add(new JLabel("purity"), gcEval.nextCol()); entropyLabel = new JLabel("n/a"); purityLabel = new JLabel("n/a"); evaluationPanel.add(entropyLabel, gcEval.nextRow()); evaluationPanel.add(purityLabel, gcEval.nextCol()); getContentPane().add(evaluationPanel, c.nextRow()); JPanel panelButtons = new JPanel(new GridLayout(1, 4)); JButton saveButton = new JButton("Save"); saveButton.setFont(smallFont); saveButton.setMargin(SMALL_INSETS); saveButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { JFileChooser fileChooser; if (state.fileChooser.getSelectedFile() != null) { fileChooser = new JFileChooser(state.fileChooser.getSelectedFile().getPath()); } else { fileChooser = new JFileChooser(); } fileChooser.addChoosableFileFilter(clusteringFilter); fileChooser.addChoosableFileFilter(xmlFilter); File filePath = ExportUtils.getFilePath(ClusteringControl.this, fileChooser, "Save Clustering and Labels"); if (filePath != null) { if (xmlFilter.accept(filePath)) { LabelXmlUtils.saveLabelsToFile(state.mapPNode, filePath); } else { try { FileOutputStream fos = new FileOutputStream(filePath); GZIPOutputStream gzipOs = new GZIPOutputStream(fos); PObjectOutputStream oos = new PObjectOutputStream(gzipOs); oos.writeObjectTree(mapPane.getMap().getCurrentClusteringTree()); oos.writeObjectTree(mapPane.getMap().getManualLabels()); oos.writeInt(state.clusterWithLabels); oos.writeBoolean(state.labelsWithValues); oos.writeDouble(state.clusterByValue); oos.writeObject(spinnerNoCluster.getValue()); oos.close(); } catch (Exception ex) { ex.printStackTrace(); } } // keep the selected path for future references state.fileChooser.setSelectedFile(filePath.getParentFile()); } } }); panelButtons.add(saveButton); JButton loadButton = new JButton("Load"); loadButton.setFont(smallFont); loadButton.setMargin(SMALL_INSETS); loadButton.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { JFileChooser fileChooser = getFileChooser(); fileChooser.setName("Open Clustering"); fileChooser.addChoosableFileFilter(xmlFilter); fileChooser.addChoosableFileFilter(clusteringFilter); int returnVal = fileChooser.showDialog(ClusteringControl.this, "Open"); if (returnVal == JFileChooser.APPROVE_OPTION) { File filePath = fileChooser.getSelectedFile(); if (xmlFilter.accept(filePath)) { PNode restoredLabels = null; try { restoredLabels = LabelXmlUtils.restoreLabelsFromFile(fileChooser.getSelectedFile()); PNode manual = state.mapPNode.getManualLabels(); ArrayList<PNode> tmp = new ArrayList<PNode>(); for (ListIterator<?> iter = restoredLabels.getChildrenIterator(); iter.hasNext();) { PNode element = (PNode) iter.next(); tmp.add(element); } manual.addChildren(tmp); Logger.getLogger("at.tuwien.ifs.somtoolbox") .info("Successfully loaded cluster labels."); } catch (Exception e1) { e1.printStackTrace(); Logger.getLogger("at.tuwien.ifs.somtoolbox") .info("Error loading cluster labels: " + e1.getMessage()); } } else { try { FileInputStream fis = new FileInputStream(filePath); GZIPInputStream gzipIs = new GZIPInputStream(fis); ObjectInputStream ois = new ObjectInputStream(gzipIs); ClusteringTree tree = (ClusteringTree) ois.readObject(); PNode manual = (PNode) ois.readObject(); PNode all = mapPane.getMap().getManualLabels(); ArrayList<PNode> tmp = new ArrayList<PNode>(); for (ListIterator<?> iter = manual.getChildrenIterator(); iter.hasNext();) { PNode element = (PNode) iter.next(); tmp.add(element); } all.addChildren(tmp); state.clusterWithLabels = ois.readInt(); labelSpinner.setValue(state.clusterWithLabels); state.labelsWithValues = ois.readBoolean(); showValues.setSelected(state.labelsWithValues); state.clusterByValue = ois.readDouble(); valueQe.setValue(new Double((1 - state.clusterByValue) * 100).intValue()); mapPane.getMap().buildTree(tree); spinnerNoCluster.setValue(ois.readObject()); ois.close(); Logger.getLogger("at.tuwien.ifs.somtoolbox").info("Successfully loaded clustering."); } catch (Exception ex) { ex.printStackTrace(); Logger.getLogger("at.tuwien.ifs.somtoolbox") .info("Error loading clustering: " + ex.getMessage()); } } // keep the selected path for future references state.fileChooser.setSelectedFile(filePath.getParentFile()); } } }); panelButtons.add(loadButton); JButton exportImages = new JButton("Export"); exportImages.setFont(smallFont); exportImages.setMargin(SMALL_INSETS); exportImages.setToolTipText("Export labels as images (not yet working)"); exportImages.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { JFileChooser fileChooser = new JFileChooser(); if (CommonSOMViewerStateData.fileNamePrefix != null && !CommonSOMViewerStateData.fileNamePrefix.equals("")) { fileChooser.setCurrentDirectory(new File(CommonSOMViewerStateData.fileNamePrefix)); } else { fileChooser.setCurrentDirectory(state.getFileChooser().getCurrentDirectory()); } fileChooser.setFileSelectionMode(JFileChooser.DIRECTORIES_ONLY); if (fileChooser.getSelectedFile() != null) { // reusing the dialog fileChooser.setSelectedFile(null); } fileChooser.setName("Choose path"); int returnVal = fileChooser.showDialog(ClusteringControl.this, "Choose path"); if (returnVal == JFileChooser.APPROVE_OPTION) { // save images String path = fileChooser.getSelectedFile().getAbsolutePath(); Logger.getLogger("at.tuwien.ifs.somtoolbox").info("Writing label images to " + path); } } }); panelButtons.add(exportImages); JButton deleteManual = new JButton("Delete"); deleteManual.setFont(smallFont); deleteManual.setMargin(SMALL_INSETS); deleteManual.setToolTipText("Delete manually added labels."); deleteManual.addActionListener(new ActionListener() { @Override public void actionPerformed(ActionEvent e) { state.mapPNode.getManualLabels().removeAllChildren(); Logger.getLogger("at.tuwien.ifs.somtoolbox").info("Manual Labels deleted."); } }); panelButtons.add(deleteManual); c.anchor = GridBagConstraints.NORTH; this.getContentPane().add(panelButtons, c.nextRow()); this.setVisible(true); }
From source file:com.meidusa.amoeba.net.poolable.copy.CursorableLinkedList.java
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException { in.defaultReadObject();//from w w w . java 2 s . c om _size = 0; _modCount = 0; _cursors = new ArrayList(); _head = new Listable(null, null, null); int size = in.readInt(); for (int i = 0; i < size; i++) { this.add(in.readObject()); } }
From source file:org.mule.DefaultMuleMessage.java
private void readObject(ObjectInputStream in) throws IOException, ClassNotFoundException { in.defaultReadObject();//from www . j a v a 2 s . c om boolean payloadWasSerialized = in.readBoolean(); if (payloadWasSerialized) { payload = in.readObject(); } else { int payloadSize = in.readInt(); byte[] serializedPayload = new byte[payloadSize]; in.read(serializedPayload); payload = serializedPayload; } inboundAttachments = deserializeAttachments((Map<String, SerializedDataHandler>) in.readObject()); outboundAttachments = deserializeAttachments((Map<String, SerializedDataHandler>) in.readObject()); }