use of cbit.vcell.solver.MeshSpecification in project vcell by virtualcell.
the class SimulationEditor method prepareToEdit.
/**
* Comment
* @param simulation not null
* @param parent
* @throws ChomboInvalidGeometryException
* @throws NullPointerException
*/
public void prepareToEdit(Simulation simulation, Component parent) throws ChomboInvalidGeometryException {
Objects.requireNonNull(simulation);
try {
Simulation clonedSimulation = (Simulation) BeanUtils.cloneSerializable(simulation);
clonedSimulation.refreshDependencies();
getMathOverridesPanel1().setMathOverrides(clonedSimulation == null ? null : clonedSimulation.getMathOverrides());
getMeshTabPanel().setSimulation(parent, clonedSimulation);
SolverTaskDescriptionAdvancedPanel stdap = getSolverTaskDescriptionAdvancedPanel1();
{
SimulationOwner so = simulation.getSimulationOwner();
UnitInfo unitInfo = so.getUnitInfo();
stdap.setUnitInfo(unitInfo);
}
stdap.setSolverTaskDescription(clonedSimulation == null ? null : clonedSimulation.getSolverTaskDescription());
boolean shouldMeshBeEnabled = false;
MeshSpecification meshSpec = clonedSimulation.getMeshSpecification();
if (meshSpec != null && meshSpec.getGeometry() != null && meshSpec.getGeometry().getDimension() > 0) {
shouldMeshBeEnabled = true;
}
if (!shouldMeshBeEnabled) {
getJTabbedPane1().remove(getMeshTabPanel());
}
setClonedSimulation(clonedSimulation);
} catch (ChomboInvalidGeometryException exc) {
// if this happens, sim is not allowed to edit
exc.printStackTrace(System.out);
throw exc;
} catch (Throwable exc) {
exc.printStackTrace(System.out);
JOptionPane.showMessageDialog(this, "Could not initialize simulation editor\n" + exc.getMessage(), "Error:", JOptionPane.ERROR_MESSAGE);
}
}
use of cbit.vcell.solver.MeshSpecification in project vcell by virtualcell.
the class RunSims method run.
/**
* Insert the method's description here.
* Creation date: (5/31/2004 6:04:14 PM)
* @param hashTable java.util.Hashtable
* @param clientWorker cbit.vcell.desktop.controls.ClientWorker
*/
public void run(Hashtable<String, Object> hashTable) throws java.lang.Exception {
DocumentWindowManager documentWindowManager = (DocumentWindowManager) hashTable.get(CommonTask.DOCUMENT_WINDOW_MANAGER.name);
ClientSimManager clientSimManager = (ClientSimManager) hashTable.get("clientSimManager");
// DocumentManager documentManager = (DocumentManager)hashTable.get(CommonTask.DOCUMENT_MANAGER.name);
JobManager jobManager = (JobManager) hashTable.get("jobManager");
Simulation[] simulations = (Simulation[]) hashTable.get("simulations");
Hashtable<Simulation, Throwable> failures = new Hashtable<Simulation, Throwable>();
if (simulations != null && simulations.length > 0) {
// we need to get the new ones if a save occurred...
if (hashTable.containsKey(SaveDocument.DOC_KEY)) {
VCDocument savedDocument = (VCDocument) hashTable.get(SaveDocument.DOC_KEY);
Simulation[] allSims = null;
if (savedDocument instanceof BioModel) {
allSims = ((BioModel) savedDocument).getSimulations();
} else if (savedDocument instanceof MathModel) {
allSims = ((MathModel) savedDocument).getSimulations();
}
Vector<Simulation> v = new Vector<Simulation>();
for (int i = 0; i < simulations.length; i++) {
for (int j = 0; j < allSims.length; j++) {
if (simulations[i].getName().equals(allSims[j].getName())) {
v.add(allSims[j]);
break;
}
}
}
simulations = (Simulation[]) BeanUtils.getArray(v, Simulation.class);
}
for (Simulation sim : simulations) {
try {
int dimension = sim.getMathDescription().getGeometry().getDimension();
if (clientSimManager.getSimulationStatus(sim).isCompleted()) {
// completed
String warningMessage = VCellErrorMessages.getErrorMessage(VCellErrorMessages.RunSims_1, sim.getName());
String result = DialogUtils.showWarningDialog(documentWindowManager.getComponent(), warningMessage, new String[] { UserMessage.OPTION_OK, UserMessage.OPTION_CANCEL }, UserMessage.OPTION_OK);
if (result == null || !result.equals(UserMessage.OPTION_OK)) {
continue;
}
}
DataProcessingInstructions dataProcessingInstructions = sim.getDataProcessingInstructions();
try {
if (dataProcessingInstructions != null) {
dataProcessingInstructions.getSampleImageFieldData(sim.getVersion().getOwner());
}
} catch (Exception ex) {
DialogUtils.showErrorDialog(documentWindowManager.getComponent(), "Problem found in simulation '" + sim.getName() + "':\n" + ex.getMessage());
continue;
}
if (dimension > 0) {
MeshSpecification meshSpecification = sim.getMeshSpecification();
boolean bCellCentered = sim.hasCellCenteredMesh();
if (meshSpecification != null && !meshSpecification.isAspectRatioOK(bCellCentered)) {
String warningMessage = VCellErrorMessages.getErrorMessage(VCellErrorMessages.RunSims_2, sim.getName(), "\u0394x=" + meshSpecification.getDx(bCellCentered) + "\n" + "\u0394y=" + meshSpecification.getDy(bCellCentered) + (dimension < 3 ? "" : "\n\u0394z=" + meshSpecification.getDz(bCellCentered)));
String result = DialogUtils.showWarningDialog(documentWindowManager.getComponent(), warningMessage, new String[] { UserMessage.OPTION_OK, UserMessage.OPTION_CANCEL }, UserMessage.OPTION_OK);
if (result == null || !result.equals(UserMessage.OPTION_OK)) {
continue;
}
}
if (sim.getSolverTaskDescription().getSolverDescription().equals(SolverDescription.Smoldyn)) {
if (!isSmoldynTimeStepOK(sim)) {
double s = smoldynTimestepVars.getSpatialResolution();
double dMax = smoldynTimestepVars.getMaxDiffusion();
double condn = (s * s) / (2.0 * dMax);
String warningMessage = VCellErrorMessages.getErrorMessage(VCellErrorMessages.RunSims_3, Double.toString(s), Double.toString(dMax), Double.toString(condn));
DialogUtils.showErrorDialog(documentWindowManager.getComponent(), warningMessage);
continue;
}
}
// check the number of regions if the simulation mesh is coarser.
Geometry mathGeometry = sim.getMathDescription().getGeometry();
ISize newSize = meshSpecification.getSamplingSize();
ISize defaultSize = mathGeometry.getGeometrySpec().getDefaultSampledImageSize();
if (!sim.getSolverTaskDescription().getSolverDescription().isChomboSolver()) {
int defaultTotalVolumeElements = mathGeometry.getGeometrySurfaceDescription().getVolumeSampleSize().getXYZ();
int newTotalVolumeElements = meshSpecification.getSamplingSize().getXYZ();
if (defaultTotalVolumeElements > newTotalVolumeElements) {
// coarser
Geometry resampledGeometry = (Geometry) BeanUtils.cloneSerializable(mathGeometry);
GeometrySurfaceDescription geoSurfaceDesc = resampledGeometry.getGeometrySurfaceDescription();
geoSurfaceDesc.setVolumeSampleSize(newSize);
geoSurfaceDesc.updateAll();
if (mathGeometry.getGeometrySurfaceDescription().getGeometricRegions() == null) {
mathGeometry.getGeometrySurfaceDescription().updateAll();
}
int defaultNumGeometricRegions = mathGeometry.getGeometrySurfaceDescription().getGeometricRegions().length;
int numGeometricRegions = geoSurfaceDesc.getGeometricRegions().length;
if (numGeometricRegions != defaultNumGeometricRegions) {
String warningMessage = VCellErrorMessages.getErrorMessage(VCellErrorMessages.RunSims_4, newSize.getX() + (dimension > 1 ? " x " + newSize.getY() : "") + (dimension > 2 ? " x " + newSize.getZ() : ""), sim.getName(), numGeometricRegions, defaultNumGeometricRegions);
String result = PopupGenerator.showWarningDialog(documentWindowManager.getComponent(), warningMessage, new String[] { UserMessage.OPTION_OK, UserMessage.OPTION_CANCEL }, UserMessage.OPTION_OK);
if (result == null || !result.equals(UserMessage.OPTION_OK)) {
continue;
}
}
}
if (mathGeometry.getGeometrySpec().hasImage()) {
// if it's an image.
if (defaultSize.getX() + 1 < newSize.getX() || defaultSize.getY() + 1 < newSize.getY() || defaultSize.getZ() + 1 < newSize.getZ()) {
// finer
String defaultSizeString = (defaultSize.getX() + 1) + (dimension > 1 ? " x " + (defaultSize.getY() + 1) : "") + (dimension > 2 ? " x " + (defaultSize.getZ() + 1) : "");
String warningMessage = VCellErrorMessages.getErrorMessage(VCellErrorMessages.RunSims_5, newSize.getX() + (dimension > 1 ? " x " + newSize.getY() : "") + (dimension > 2 ? " x " + newSize.getZ() : ""), sim.getName(), defaultSizeString, defaultSizeString);
String result = DialogUtils.showWarningDialog(documentWindowManager.getComponent(), warningMessage, new String[] { UserMessage.OPTION_OK, UserMessage.OPTION_CANCEL }, UserMessage.OPTION_OK);
if (result == null || !result.equals(UserMessage.OPTION_OK)) {
continue;
}
}
}
}
boolean bGiveWarning = false;
for (int i = 0; i < sim.getScanCount(); i++) {
if (sim.getSolverTaskDescription().getSolverDescription().equals(SolverDescription.SundialsPDE)) {
SimulationJob simJob = new SimulationJob(sim, i, null);
if (simJob.getSimulationSymbolTable().hasTimeVaryingDiffusionOrAdvection()) {
bGiveWarning = true;
break;
}
}
}
if (bGiveWarning) {
String warningMessage = VCellErrorMessages.RunSims_6;
String result = DialogUtils.showWarningDialog(documentWindowManager.getComponent(), warningMessage, new String[] { UserMessage.OPTION_OK, UserMessage.OPTION_CANCEL }, UserMessage.OPTION_OK);
if (result == null || !result.equals(UserMessage.OPTION_OK)) {
continue;
}
}
}
SimulationInfo simInfo = sim.getSimulationInfo();
if (simInfo != null) {
//
// translate to common ancestral simulation (oldest mathematically equivalent simulation)
//
SimulationStatus simulationStatus = jobManager.startSimulation(simInfo.getAuthoritativeVCSimulationIdentifier(), sim.getScanCount());
// updateStatus
clientSimManager.updateStatusFromStartRequest(sim, simulationStatus);
} else {
// this should really not happen...
throw new RuntimeException(">>>>>>>>>> trying to run an unsaved simulation...");
}
} catch (Throwable exc) {
exc.printStackTrace(System.out);
failures.put(sim, exc);
}
}
}
// we deal with individual request failures here, passing down only other things (that break the whole thing down) to dispatcher
if (!failures.isEmpty()) {
Enumeration<Simulation> en = failures.keys();
while (en.hasMoreElements()) {
Simulation sim = en.nextElement();
Throwable exc = (Throwable) failures.get(sim);
// // updateStatus
// SimulationStatus simulationStatus = clientSimManager.updateStatusFromStartRequest(sim, true, exc.getMessage());
// notify user
PopupGenerator.showErrorDialog(documentWindowManager, "Failed to start simulation'" + sim.getName() + "'\n" + exc.getMessage());
}
}
}
use of cbit.vcell.solver.MeshSpecification in project vcell by virtualcell.
the class SmoldynFileWriter method writeInitialConcentration.
private int writeInitialConcentration(ParticleInitialConditionConcentration initialConcentration, SubDomain subDomain, Variable variable, String variableName, StringBuilder sb) throws ExpressionException, MathException {
SimpleSymbolTable simpleSymbolTable = new SimpleSymbolTable(new String[] { ReservedVariable.X.getName(), ReservedVariable.Y.getName(), ReservedVariable.Z.getName() });
Expression disExpression = new Expression(initialConcentration.getDistribution());
disExpression.bindExpression(simulationSymbolTable);
disExpression = simulationSymbolTable.substituteFunctions(disExpression).flatten();
disExpression.bindExpression(simpleSymbolTable);
double[] values = new double[3];
if (dimension == 1) {
if (disExpression.getSymbolBinding(ReservedVariable.Y.getName()) != null || disExpression.getSymbolBinding(ReservedVariable.Z.getName()) != null) {
throw new MathException(VCellErrorMessages.getSmoldynWrongCoordinates("'y' or 'z'", dimension, variable, disExpression));
}
} else if (dimension == 2) {
if (disExpression.getSymbolBinding(ReservedVariable.Z.getName()) != null) {
throw new MathException(VCellErrorMessages.getSmoldynWrongCoordinates("'z'", dimension, variable, disExpression));
}
}
int totalCount = 0;
StringBuilder localsb = new StringBuilder();
if (subDomain instanceof CompartmentSubDomain) {
MeshSpecification meshSpecification = simulation.getMeshSpecification();
ISize sampleSize = meshSpecification.getSamplingSize();
int numX = sampleSize.getX();
int numY = dimension < 2 ? 1 : sampleSize.getY();
int numZ = dimension < 3 ? 1 : sampleSize.getZ();
boolean bCellCentered = simulation.hasCellCenteredMesh();
double dx = meshSpecification.getDx(bCellCentered);
double dy = meshSpecification.getDy(bCellCentered);
double dz = meshSpecification.getDz(bCellCentered);
Origin origin = resampledGeometry.getGeometrySpec().getOrigin();
double ox = origin.getX();
double oy = origin.getY();
double oz = origin.getZ();
Extent extent = resampledGeometry.getExtent();
double ex = extent.getX();
double ey = extent.getY();
double ez = extent.getZ();
int offset = 0;
for (int k = 0; k < numZ; k++) {
double centerz = oz + k * dz;
double loz = Math.max(oz, centerz - dz / 2);
double hiz = Math.min(oz + ez, centerz + dz / 2);
double lz = hiz - loz;
values[2] = centerz;
for (int j = 0; j < numY; j++) {
double centery = oy + j * dy;
double loy = Math.max(oy, centery - dy / 2);
double hiy = Math.min(oy + ey, centery + dy / 2);
values[1] = centery;
double ly = hiy - loy;
for (int i = 0; i < numX; i++) {
int regionIndex = resampledGeometry.getGeometrySurfaceDescription().getRegionImage().getRegionInfoFromOffset(offset).getRegionIndex();
offset++;
GeometricRegion region = resampledGeometry.getGeometrySurfaceDescription().getGeometricRegions(regionIndex);
if (region instanceof VolumeGeometricRegion) {
if (!((VolumeGeometricRegion) region).getSubVolume().getName().equals(subDomain.getName())) {
continue;
}
}
double centerx = ox + i * dx;
double lox = Math.max(ox, centerx - dx / 2);
double hix = Math.min(ox + ex, centerx + dx / 2);
double lx = hix - lox;
values[0] = centerx;
double volume = lx;
if (dimension > 1) {
volume *= ly;
if (dimension > 2) {
volume *= lz;
}
}
double expectedCount = disExpression.evaluateVector(values) * volume;
if (expectedCount <= 0) {
continue;
}
long count = dist.nextPoisson(expectedCount);
if (count <= 0) {
continue;
}
totalCount += count;
localsb.append(SmoldynVCellMapper.SmoldynKeyword.mol + " " + count + " " + variableName + " " + (float) lox + "-" + (float) hix);
if (lg.isDebugEnabled()) {
lg.debug("Component subdomain " + variableName + " count " + count);
}
if (dimension > 1) {
localsb.append(" " + loy + "-" + hiy);
if (dimension > 2) {
localsb.append(" " + loz + "-" + hiz);
}
}
localsb.append("\n");
}
}
}
// otherwise we append the distributed molecules in different small boxes
try {
subsituteFlattenToConstant(disExpression);
sb.append(SmoldynVCellMapper.SmoldynKeyword.compartment_mol);
sb.append(" " + totalCount + " " + variableName + " " + subDomain.getName() + "\n");
} catch (// can not be evaluated to a constant
Exception e) {
sb.append(localsb);
}
} else if (subDomain instanceof MembraneSubDomain) {
ArrayList<TrianglePanel> trianglePanelList = membraneSubdomainTriangleMap.get(subDomain);
for (TrianglePanel trianglePanel : trianglePanelList) {
Triangle triangle = trianglePanel.triangle;
switch(dimension) {
case 1:
values[0] = triangle.getNodes(0).getX();
break;
case 2:
{
double centroidX = triangle.getNodes(0).getX();
double centroidY = triangle.getNodes(0).getY();
if (triangle.getNodes(0).getX() == triangle.getNodes(1).getX() && triangle.getNodes(0).getY() == triangle.getNodes(1).getY()) {
centroidX += triangle.getNodes(2).getX();
centroidY += triangle.getNodes(2).getY();
} else {
centroidX += triangle.getNodes(1).getX();
centroidY += triangle.getNodes(1).getY();
}
values[0] = centroidX / 2;
values[1] = centroidY / 2;
break;
}
case 3:
{
double centroidX = triangle.getNodes(0).getX() + triangle.getNodes(1).getX() + triangle.getNodes(2).getX();
double centroidY = triangle.getNodes(0).getY() + triangle.getNodes(1).getY() + triangle.getNodes(2).getY();
double centroidZ = triangle.getNodes(0).getZ() + triangle.getNodes(1).getZ() + triangle.getNodes(2).getZ();
values[0] = centroidX / 3;
values[1] = centroidY / 3;
values[2] = centroidZ / 3;
break;
}
}
double expectedCount = disExpression.evaluateVector(values) * triangle.getArea();
if (expectedCount <= 0) {
continue;
}
long count = dist.nextPoisson(expectedCount);
if (count <= 0) {
continue;
}
totalCount += count;
if (lg.isDebugEnabled()) {
lg.debug("Membrane subdomain " + subDomain.getName() + ' ' + variableName + " count " + count);
}
localsb.append(SmoldynVCellMapper.SmoldynKeyword.surface_mol + " " + count + " " + variableName + " " + subDomain.getName() + " " + SmoldynVCellMapper.SmoldynKeyword.tri + " " + trianglePanel.name + "\n");
}
// otherwise we append the distributed molecules in different small boxes
try {
subsituteFlattenToConstant(disExpression);
sb.append(SmoldynVCellMapper.SmoldynKeyword.surface_mol);
sb.append(" " + totalCount + " " + variableName + " " + subDomain.getName() + " " + SmoldynVCellMapper.SmoldynKeyword.all + " " + SmoldynVCellMapper.SmoldynKeyword.all + "\n");
} catch (// can not be evaluated to a constant
Exception e) {
sb.append(localsb);
}
}
if (lg.isDebugEnabled()) {
lg.debug("Subdomain " + subDomain.getName() + ' ' + variableName + " total count " + totalCount);
}
return totalCount;
}
use of cbit.vcell.solver.MeshSpecification in project vcell by virtualcell.
the class SimulationTable method getSimulation.
/**
* This method was created in VisualAge.
* @return cbit.vcell.math.MathDescription
* @param user cbit.vcell.server.User
* @param rset java.sql.ResultSet
*/
public Simulation getSimulation(QueryHashtable dbc, ResultSet rset, Connection con, User user, MathDescriptionDbDriver mathDB, DatabaseSyntax dbSyntax) throws SQLException, DataAccessException, PropertyVetoException {
//
// get TaskDescription Data into parsable form
//
//
// String taskDescriptionString = new String(solverTaskDescData);
//
// System.out.println("taskDescriptionString '"+taskDescriptionString+"'");
String taskDescriptionString = rset.getString(SimulationTable.table.taskDescription.getUnqualifiedColName());
taskDescriptionString = TokenMangler.getSQLRestoredString(taskDescriptionString);
CommentStringTokenizer solverTaskDescTokens = new CommentStringTokenizer(taskDescriptionString);
//
// get MathOverride Data (language) (MUST BE READ FIRST)
//
/*
byte[] mathOverridesData = null;
mathOverridesData = rset.getBytes(SimulationTable.table.mathOverrides.toString());
if (rset.wasNull() || mathOverridesData==null || mathOverridesData.length==0){
throw new DataAccessException("no data stored for MathOverrides");
}
String mathOverridesString = new String(mathOverridesData);
*/
//
CommentStringTokenizer mathOverrideTokens = getMathOverridesTokenizer(rset, dbSyntax);
String dataProcessingInstructionString = rset.getString(dataProcInstr.getUnqualifiedColName());
DataProcessingInstructions dpi = null;
if (!rset.wasNull() && dataProcessingInstructionString != null && dataProcessingInstructionString.length() > 0) {
dataProcessingInstructionString = TokenMangler.getSQLRestoredString(dataProcessingInstructionString);
dpi = DataProcessingInstructions.fromDbXml(dataProcessingInstructionString);
}
//
// Get Version
//
java.math.BigDecimal groupid = rset.getBigDecimal(VersionTable.privacy_ColumnName);
SimulationVersion simulationVersion = (SimulationVersion) getVersion(rset, DbDriver.getGroupAccessFromGroupID(con, groupid));
java.math.BigDecimal bigD = rset.getBigDecimal(SimulationTable.table.mathRef.toString());
KeyValue mathKey = null;
if (!rset.wasNull()) {
mathKey = new KeyValue(bigD);
} else {
throw new DataAccessException("Error: MathDescription Reference Cannot be Null for Simulation");
}
MathDescription mathDesc = (MathDescription) mathDB.getVersionable(dbc, con, user, VersionableType.MathDescription, mathKey);
Simulation simulation = new Simulation(simulationVersion, mathDesc, mathOverrideTokens, solverTaskDescTokens);
simulation.setDataProcessingInstructions(dpi);
// MeshSpec (Is This Correct?????)
if (mathDesc != null && mathDesc.getGeometry() != null && mathDesc.getGeometry().getDimension() > 0) {
int msX = rset.getInt(SimulationTable.table.meshSpecX.getUnqualifiedColName());
int msY = rset.getInt(SimulationTable.table.meshSpecY.getUnqualifiedColName());
int msZ = rset.getInt(SimulationTable.table.meshSpecZ.getUnqualifiedColName());
MeshSpecification meshSpec = new MeshSpecification(simulation.getMathDescription().getGeometry());
meshSpec.setSamplingSize(new ISize(msX, msY, msZ));
simulation.getMeshSpecification().copyFrom(meshSpec);
}
return simulation;
}
use of cbit.vcell.solver.MeshSpecification in project vcell by virtualcell.
the class SimulationTable method getSQLValueList.
/**
* This method was created in VisualAge.
* @return java.lang.String
* @param key KeyValue
* @param modelName java.lang.String
*/
public String getSQLValueList(Simulation simulation, KeyValue mathKey, Version version, DatabaseSyntax dbSyntax) {
SolverTaskDescription solverTD = simulation.getSolverTaskDescription();
String mathOverrides = simulation.getMathOverrides().getVCML();
StringBuffer buffer = new StringBuffer();
switch(dbSyntax) {
case ORACLE:
{
buffer.append("(");
buffer.append(getVersionGroupSQLValue(version) + ",");
buffer.append(mathKey + ",");
// MathOverridesOrig keep for compatibility with old VCell
buffer.append("EMPTY_CLOB()" + ",");
break;
}
case POSTGRES:
{
buffer.append("(");
buffer.append(getVersionGroupSQLValue(version) + ",");
buffer.append(mathKey + ",");
// MathOverridesOrig keep for compatibility with old VCell
buffer.append("null" + ",");
break;
}
default:
{
throw new RuntimeException("unexpected DatabaseSyntax " + dbSyntax);
}
}
if (DbDriver.varchar2_CLOB_is_Varchar2_OK(mathOverrides)) {
buffer.append("null" + "," + DbDriver.INSERT_VARCHAR2_HERE + ",");
} else {
buffer.append(DbDriver.INSERT_CLOB_HERE + "," + "null" + ",");
}
buffer.append((solverTD != null ? "'" + TokenMangler.getSQLEscapedString(solverTD.getVCML()) + "'" : "null") + ",");
if (simulation.getMathDescription() != null && simulation.getMathDescription().getGeometry() != null && simulation.getMathDescription().getGeometry().getDimension() > 0) {
MeshSpecification meshSpec = simulation.getMeshSpecification();
buffer.append(meshSpec.getSamplingSize().getX() + "," + meshSpec.getSamplingSize().getY() + "," + meshSpec.getSamplingSize().getZ());
} else {
buffer.append("null,null,null");
}
if (simulation.getDataProcessingInstructions() != null) {
buffer.append(",'" + TokenMangler.getSQLEscapedString(simulation.getDataProcessingInstructions().getDbXml()) + "'");
} else {
buffer.append(",null");
}
buffer.append(")");
return buffer.toString();
}
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