/*
* GeoTools - The Open Source Java GIS Toolkit
* http://geotools.org
*
* (C) 2002-2008, Open Source Geospatial Foundation (OSGeo)
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation;
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*/
package org.geotools.arcsde.data;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.Collections;
import java.util.Date;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.NoSuchElementException;
import java.util.UUID;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.geotools.arcsde.ArcSdeException;
import org.geotools.arcsde.session.Command;
import org.geotools.arcsde.session.ISession;
import org.geotools.arcsde.versioning.ArcSdeVersionHandler;
import org.geotools.data.DataSourceException;
import org.geotools.data.FeatureListenerManager;
import org.geotools.data.FeatureReader;
import org.geotools.data.FeatureWriter;
import org.geotools.factory.CommonFactoryFinder;
import org.geotools.feature.simple.SimpleFeatureBuilder;
import org.geotools.feature.simple.SimpleFeatureImpl;
import org.geotools.filter.identity.FeatureIdImpl;
import org.geotools.geometry.jts.ReferencedEnvelope;
import org.geotools.util.Converters;
import org.geotools.util.logging.Logging;
import org.hsqldb.Session;
import org.opengis.feature.IllegalAttributeException;
import org.opengis.feature.simple.SimpleFeature;
import org.opengis.feature.simple.SimpleFeatureType;
import org.opengis.feature.type.AttributeDescriptor;
import org.opengis.filter.Filter;
import org.opengis.filter.FilterFactory2;
import org.opengis.geometry.BoundingBox;
import com.esri.sde.sdk.client.SeColumnDefinition;
import com.esri.sde.sdk.client.SeConnection;
import com.esri.sde.sdk.client.SeCoordinateReference;
import com.esri.sde.sdk.client.SeDelete;
import com.esri.sde.sdk.client.SeException;
import com.esri.sde.sdk.client.SeInsert;
import com.esri.sde.sdk.client.SeLayer;
import com.esri.sde.sdk.client.SeObjectId;
import com.esri.sde.sdk.client.SeRegistration;
import com.esri.sde.sdk.client.SeRow;
import com.esri.sde.sdk.client.SeShape;
import com.esri.sde.sdk.client.SeStreamOp;
import com.esri.sde.sdk.client.SeTable;
import com.esri.sde.sdk.client.SeTable.SeTableIdRange;
import com.esri.sde.sdk.client.SeUpdate;
import com.vividsolutions.jts.geom.Coordinate;
import com.vividsolutions.jts.geom.Geometry;
import com.vividsolutions.jts.operation.valid.IsValidOp;
import com.vividsolutions.jts.operation.valid.TopologyValidationError;
abstract class ArcSdeFeatureWriter implements FeatureWriter<SimpleFeatureType, SimpleFeature> {
protected static final Logger LOGGER = Logging.getLogger(ArcSdeFeatureWriter.class.getName());
/**
* Fid prefix used for just created and not yet committed features
*/
private static final String NEW_FID_PREFIX = "@NEW_";
/**
* Complete feature type this writer acts upon
*/
protected final SimpleFeatureType featureType;
/**
* Connection to hold while this feature writer is alive.
*/
protected ISession session;
/**
* Reader for streamed access to filtered content this writer acts upon.
*/
protected FeatureReader<SimpleFeatureType, SimpleFeature> filteredContent;
/**
* Builder for new Features this writer creates when next() is called and hasNext() == false
*/
protected final SimpleFeatureBuilder featureBuilder;
/**
* Map of {row index/mutable column names} in the SeTable structure. Not to be accessed
* directly, but through {@link #getMutableColumnNames(Session)}
*/
private LinkedHashMap<Integer, String> mutableColumnNames;
private LinkedHashMap<Integer, String> insertableColumnNames;
/**
* Not to be accessed directly, but through {@link #getLayer()}
*/
private SeLayer cachedLayer;
/**
* Not to be accessed directly, but through {@link #getTable()}
*/
private SeTable cachedTable;
/**
* The feature at the current index. No need to maintain any sort of collection of features as
* this writer works a feature at a time.
*/
protected SimpleFeature feature;
/**
* Provides row_id column index
*/
protected final FIDReader fidReader;
protected final FeatureListenerManager listenerManager;
/**
* version handler to delegate setting up and handling database version states
*/
private final ArcSdeVersionHandler versionHandler;
public ArcSdeFeatureWriter(final FIDReader fidReader, final SimpleFeatureType featureType,
final FeatureReader<SimpleFeatureType, SimpleFeature> filteredContent,
final ISession session, final FeatureListenerManager listenerManager,
final ArcSdeVersionHandler versionHandler) throws IOException {
assert fidReader != null;
assert featureType != null;
assert filteredContent != null;
assert session != null;
assert listenerManager != null;
assert versionHandler != null;
if (!(fidReader instanceof FIDReader.SdeManagedFidReader || fidReader instanceof FIDReader.UserManagedFidReader)) {
throw new DataSourceException("fid reader is not user nor sde managed: " + fidReader);
}
this.fidReader = fidReader;
this.featureType = featureType;
this.filteredContent = filteredContent;
this.session = session;
this.listenerManager = listenerManager;
this.featureBuilder = new SimpleFeatureBuilder(featureType);
this.versionHandler = versionHandler;
}
/**
* Creates the type of arcsde stream operation specified by the {@code streamType} class and,if
* the working layer is of a versioned table, sets up the stream to being editing the default
* database version.
*
* @param streamType
* @return
* @throws IOException
*/
private SeStreamOp createStream(Class<? extends SeStreamOp> streamType) throws IOException {
SeStreamOp streamOp;
if (SeInsert.class == streamType) {
streamOp = session.createSeInsert();
} else if (SeUpdate.class == streamType) {
streamOp = session.createSeUpdate();
} else if (SeDelete.class == streamType) {
streamOp = session.createSeDelete();
} else {
throw new IllegalArgumentException("Unrecognized stream type: " + streamType);
}
versionHandler.setUpStream(session, streamOp);
return streamOp;
}
/**
* @see FeatureWriter#close()
*/
public void close() throws IOException {
if (filteredContent != null) {
filteredContent.close();
filteredContent = null;
}
// let repeatedly calling close() be inoffensive
if (session != null && !session.isDisposed()) {
session.dispose();
}
session = null;
}
/**
* @see FeatureWriter#getFeatureType()
*/
public final SimpleFeatureType getFeatureType() {
return featureType;
}
/**
* @see FeatureWriter#hasNext()
*/
public final boolean hasNext() throws IOException {
// filteredContent may be null because we
// took the precaution of closing it in a previous call
// to this method
final boolean hasNext = filteredContent != null && filteredContent.hasNext();
// be cautious of badly coded clients
if (!hasNext && filteredContent != null) {
filteredContent.close();
filteredContent = null;
}
return hasNext;
}
/**
* @see FeatureWriter#next()
*/
public final SimpleFeature next() throws IOException {
if (hasNext()) {
feature = filteredContent.next();
} else {
final String newFid = newFid();
final SimpleFeature newFeature = featureBuilder.buildFeature(newFid);
final List<Object> properties = newFeature.getAttributes();
feature = new MutableFIDFeature(properties, featureType, newFid);
}
return feature;
}
/**
* @see FeatureWriter#remove()
*/
public void remove() throws IOException {
if (isNewlyCreated(feature)) {
// we're in auto commit, no need to remove anything
return;
}
// deletes are executed immediately. We set up a transaction
// if in autocommit mode to be committed or rolled back on this same
// method if something happens bellow.
final boolean handleTransaction = !session.isTransactionActive();
if (handleTransaction) {
session.startTransaction();
}
final String id = feature.getID();
final long featureId = ArcSDEAdapter.getNumericFid(id);
final SeObjectId objectID = new SeObjectId(featureId);
final String qualifiedName = featureType.getTypeName();
final SeDelete seDelete = (SeDelete) createStream(SeDelete.class);
final Command<Void> deleteCmd = new Command<Void>() {
@Override
public Void execute(ISession session, SeConnection connection) throws SeException,
IOException {
try {
// A call to SeDelete.byId immediately deletes the row from the
// database. The application does not need to call execute()
// try{
seDelete.byId(qualifiedName, objectID);
// }catch(SeException e){
// final int FID_DOESNT_EXIST = -22;
// if(e.getSeError().getSdeError() == FID_DOESNT_EXIST){
// //ignore
// }else{
// throw e;
// }
// }
versionHandler.editOperationWritten(seDelete);
if (handleTransaction) {
session.commitTransaction();
}
} catch (IOException e) {
if (handleTransaction) {
try {
session.rollbackTransaction();
} catch (IOException e1) {
LOGGER.log(Level.SEVERE, "Unrecoverable error rolling "
+ "back delete transaction", e);
}
}
throw new DataSourceException("Error deleting feature with id:" + featureId, e);
} finally {
if (seDelete != null) {
try {
seDelete.close();
} catch (SeException e) {
LOGGER.log(Level.SEVERE,
"Unrecoverable error rolling back delete transaction", e);
}
}
}
return null;
}
};
try {
session.issue(deleteCmd);
fireRemoved(feature);
} catch (IOException e) {
versionHandler.editOperationFailed(seDelete);
throw e;
}
}
private void fireAdded(final SimpleFeature addedFeature) {
final String typeName = featureType.getTypeName();
final BoundingBox bounds = addedFeature.getBounds();
ReferencedEnvelope referencedEnvelope = ReferencedEnvelope.reference(bounds);
String fid = addedFeature.getID();
FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(null);
Filter filter = ff.id(Collections.singleton(ff.featureId(fid)));
doFireFeaturesAdded(typeName, referencedEnvelope, filter);
}
private void fireChanged(final SimpleFeature changedFeature) {
final String typeName = featureType.getTypeName();
final BoundingBox bounds = changedFeature.getBounds();
ReferencedEnvelope referencedEnvelope = ReferencedEnvelope.reference(bounds);
String fid = changedFeature.getID();
FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(null);
Filter filter = ff.id(Collections.singleton(ff.featureId(fid)));
doFireFeaturesChanged(typeName, referencedEnvelope, filter);
}
private void fireRemoved(final SimpleFeature removedFeature) {
String typeName = featureType.getTypeName();
BoundingBox bounds = removedFeature.getBounds();
ReferencedEnvelope referencedEnvelope = ReferencedEnvelope.reference(bounds);
String fid = removedFeature.getID();
FilterFactory2 ff = CommonFactoryFinder.getFilterFactory2(null);
Filter filter = ff.id(Collections.singleton(ff.featureId(fid)));
doFireFeaturesRemoved(typeName, referencedEnvelope, filter);
}
protected abstract void doFireFeaturesAdded(String typeName, ReferencedEnvelope bounds,
Filter filter);
protected abstract void doFireFeaturesChanged(String typeName, ReferencedEnvelope bounds,
Filter filter);
protected abstract void doFireFeaturesRemoved(String typeName, ReferencedEnvelope bounds,
Filter filter);
/**
* @see FeatureWriter#write()
*/
public void write() throws IOException {
// make the feature validate against its schema before inserting/updating
feature.validate();
if (isNewlyCreated(feature)) {
Number newId;
try {
newId = insertSeRow(feature);
} catch (IOException e) {
LOGGER.log(Level.WARNING, "Error inserting " + feature + ": " + e.getMessage(), e);
throw e;
}
MutableFIDFeature mutableFidFeature = (MutableFIDFeature) feature;
String id = featureType.getTypeName() + "." + newId.longValue();
mutableFidFeature.setID(id);
fireAdded(mutableFidFeature);
} else {
try {
updateRow(feature);
fireChanged(feature);
} catch (IOException e) {
LOGGER.log(Level.WARNING, "Error updating " + feature + ": " + e.getMessage(), e);
throw e;
}
}
}
/**
* Updates the contents of a Feature in the database.
* <p>
* The db row to modify is obtained from the feature id.
* </p>
*
* @param modifiedFeature
* the newly create Feature to insert.
* @param session
* the connection to use for the insert operation. Its auto commit mode determines
* whether the operation takes effect immediately or not.
* @throws IOException
* @throws SeException
* if thrown by any sde stream method
* @throws IOException
*/
private void updateRow(final SimpleFeature modifiedFeature) throws IOException {
final SeLayer layer = getLayer();
final SeCoordinateReference seCoordRef = layer == null ? null : layer.getCoordRef();
final SeUpdate updateStream = (SeUpdate) createStream(SeUpdate.class);
// updateStream.setWriteMode(true);
final LinkedHashMap<Integer, String> mutableColumns = getUpdatableColumnNames();
final String[] rowColumnNames = new ArrayList<String>(mutableColumns.values())
.toArray(new String[0]);
final String typeName = featureType.getTypeName();
final String fid = modifiedFeature.getID();
final long numericFid = ArcSDEAdapter.getNumericFid(fid);
final SeObjectId seObjectId = new SeObjectId(numericFid);
final Command<Void> updateCmd = new Command<Void>() {
@Override
public Void execute(ISession session, SeConnection connection) throws SeException,
IOException {
try {
final SeRow row = updateStream.singleRow(seObjectId, typeName, rowColumnNames);
setRowProperties(modifiedFeature, seCoordRef, mutableColumns, row);
updateStream.execute();
// updateStream.flushBufferedWrites();
} finally {
updateStream.close();
}
return null;
}
};
try {
session.issue(updateCmd);
versionHandler.editOperationWritten(updateStream);
} catch (NoSuchElementException e) {
versionHandler.editOperationFailed(updateStream);
throw e;
} catch (IOException e) {
versionHandler.editOperationFailed(updateStream);
throw e;
}
}
/**
* Inserts a feature into an SeLayer.
*
* @param newFeature
* the newly create Feature to insert.
* @param session
* the connection to use for the insert operation. Its auto commit mode determines
* whether the operation takes effect immediately or not.
* @throws IOException
*/
private Number insertSeRow(final SimpleFeature newFeature) throws IOException {
// final SeTable table = getTable();
final SeLayer layer = getLayer();
final SeCoordinateReference seCoordRef = layer == null ? null : layer.getCoordRef();
// this returns only the mutable attributes
final LinkedHashMap<Integer, String> insertColumns = getInsertableColumnNames();
final Command<Number> insertCmd = new Command<Number>() {
@Override
public Number execute(ISession session, SeConnection connection) throws SeException,
IOException {
final SeInsert insertStream = (SeInsert) createStream(SeInsert.class);
Number newId = null;
try {
final SeRow row;
// ensure we get the next sequence id when the fid is user managed
// and include it in the attributes to set
if (fidReader instanceof FIDReader.UserManagedFidReader) {
newId = getNextAvailableUserManagedId();
if (newId == null) {
LOGGER.finest("There seems not to be a sequence"
+ " for the table, not setting a generated id, "
+ "user ought to be taking care of it");
newId = (Number) newFeature.getAttribute(fidReader.getColumnIndex());
} else {
final int rowIdIndex = fidReader.getColumnIndex();
newFeature.setAttribute(rowIdIndex, newId);
}
}
String[] rowColumnNames = new ArrayList<String>(insertColumns.values())
.toArray(new String[0]);
String typeName = featureType.getTypeName();
insertStream.intoTable(typeName, rowColumnNames);
insertStream.setWriteMode(true);
row = insertStream.getRowToSet();
setRowProperties(newFeature, seCoordRef, insertColumns, row);
insertStream.execute();
if (fidReader instanceof FIDReader.SdeManagedFidReader) {
SeObjectId newRowId = insertStream.lastInsertedRowId();
newId = Long.valueOf(newRowId.longValue());
}
insertStream.flushBufferedWrites(); // jg: my customer wanted this uncommented
versionHandler.editOperationWritten(insertStream);
} catch (Exception e) {
versionHandler.editOperationFailed(insertStream);
if (e instanceof SeException) {
throw (SeException) e;
} else if (e instanceof IOException) {
throw (IOException) e;
}
throw new DataSourceException(e);
}
insertStream.close();
return newId;
}
};
final Number newId;
try {
newId = session.issue(insertCmd);
} catch (IOException e) {
throw e;
}
// TODO: handle SHAPE fid strategy (actually such a table shouldn't be
// editable)
return newId;
}
/**
* Sets the SeRow property values by index, taking the index from the mutableColumns keys and
* the values from <code>feature</code>, using the mutableColumns values to get the feature
* properties by name.
* <p>
* This method is intended to be called from inside a
* {@link Command#execute(Session, SeConnection)} method
* </p>
*
* @param feature
* the Feature where to get the property values from
* @param seCoordRef
* @param mutableColumns
* @param row
* @throws SeException
* @throws IOException
*/
private static void setRowProperties(final SimpleFeature feature,
final SeCoordinateReference seCoordRef, Map<Integer, String> mutableColumns,
final SeRow row) throws SeException, IOException {
// Now set the values for the new row here...
int seRowIndex;
String attName;
Object value;
for (Map.Entry<Integer, String> entry : mutableColumns.entrySet()) {
seRowIndex = entry.getKey().intValue();
attName = entry.getValue();
value = feature.getAttribute(attName);
setRowValue(row, seRowIndex, value, seCoordRef, attName);
}
}
/**
* Called when the layer row id is user managed to ask ArcSDE for the next available ID.
*
* @return
* @throws IOException
* @throws SeException
* @return a new available id if possible, {@code null} if thre seems not to be a sequence for
* the table
*/
private Number getNextAvailableUserManagedId() throws IOException, SeException {
// TODO: refactor, this is expensive to do for each row to insert
// TODO: refactor to some sort of strategy object like done for
// FIDReader
final SeLayer layer = getLayer();
final SeTable table = getTable();
// ArcSDE JavaDoc only says: "Returns a range of row id values"
// http://edndoc.esri.com/arcsde/9.1/java_api/docs/com/esri/sde/sdk/client/setable.html#getIds
// (int)
/*
* I've checked empirically it is to return a range of available ids. And also found it
* works for layers but not for registered tables with non spatial layer.. sigh..
*/
final SeTableIdRange ids = layer == null ? null : table.getIds(1);
if (ids == null) {
return null;
}
final SeObjectId startId = ids.getStartId();
final long id = startId.longValue();
final Long newId = Long.valueOf(id);
final AttributeDescriptor rowIdAtt = featureType.getDescriptor(fidReader.getFidColumn());
final Class<?> binding = rowIdAtt.getType().getBinding();
final Number userFidValue;
if (Long.class == binding) {
userFidValue = newId;
} else if (Integer.class == binding) {
userFidValue = Integer.valueOf(newId.intValue());
} else if (Double.class == binding) {
userFidValue = new Double(newId.doubleValue());
} else if (Float.class == binding) {
userFidValue = new Float(newId.floatValue());
} else {
throw new IllegalArgumentException("Can't handle a user managed row id of type "
+ binding);
}
return userFidValue;
}
/**
* Used to set a value on an SeRow object. The values is converted to the appropriate type based
* on an inspection of the SeColumnDefintion object.
* <p>
* This method is intended to be called from inside a
* {@link Command#execute(Session, SeConnection)} method
* </p>
*
* @param row
* @param index
* @param convertedValue
* @param coordRef
* @param attName
* for feedback purposes only in case of failure
* @throws IOException
* if failed to set the row value
*/
private static void setRowValue(final SeRow row, final int index, final Object value,
final SeCoordinateReference coordRef, final String attName) throws IOException {
try {
final SeColumnDefinition seColumnDefinition = row.getColumnDef(index);
final int colType = seColumnDefinition.getType();
// the actual value to be set, converted to the appropriate type where
// needed
Object convertedValue = value;
if (colType == SeColumnDefinition.TYPE_INT16) {
convertedValue = Converters.convert(convertedValue, Short.class);
row.setShort(index, (Short) convertedValue);
} else if (colType == SeColumnDefinition.TYPE_INT32) {
convertedValue = Converters.convert(convertedValue, Integer.class);
row.setInteger(index, (Integer) convertedValue);
} else if (colType == SeColumnDefinition.TYPE_INT64) {
convertedValue = Converters.convert(convertedValue, Long.class);
row.setLong(index, (Long) convertedValue);
} else if (colType == SeColumnDefinition.TYPE_FLOAT32) {
convertedValue = Converters.convert(convertedValue, Float.class);
row.setFloat(index, (Float) convertedValue);
} else if (colType == SeColumnDefinition.TYPE_FLOAT64) {
convertedValue = Converters.convert(convertedValue, Double.class);
row.setDouble(index, (Double) convertedValue);
} else if (colType == SeColumnDefinition.TYPE_STRING
|| colType == SeColumnDefinition.TYPE_CLOB
|| colType == SeColumnDefinition.TYPE_NCLOB) {
convertedValue = Converters.convert(convertedValue, String.class);
row.setString(index, (String) convertedValue);
} else if (colType == SeColumnDefinition.TYPE_NSTRING) {
convertedValue = Converters.convert(convertedValue, String.class);
row.setNString(index, (String) convertedValue);
} else if (colType == SeColumnDefinition.TYPE_DATE) {
// @todo REVISIT: is converters already ready for date->calendar?
if (convertedValue != null) {
Calendar calendar = Calendar.getInstance();
calendar.setTime((Date) convertedValue);
row.setTime(index, calendar);
} else {
row.setTime(index, null);
}
} else if (colType == SeColumnDefinition.TYPE_SHAPE) {
if (convertedValue != null) {
final Geometry geom = (Geometry) convertedValue;
IsValidOp validator = new IsValidOp(geom);
if (!validator.isValid()) {
TopologyValidationError validationError = validator.getValidationError();
String validationErrorMessage = validationError.getMessage();
Coordinate coordinate = validationError.getCoordinate();
String errorMessage = "Topology validation error at or near point "
+ coordinate + ": " + validationErrorMessage;
throw new DataSourceException("Invalid geometry passed for " + attName
+ "\n Geomerty: " + geom + "\n" + errorMessage);
}
ArcSDEGeometryBuilder geometryBuilder;
geometryBuilder = ArcSDEGeometryBuilder.builderFor(geom.getClass());
SeShape shape = geometryBuilder.constructShape(geom, coordRef);
row.setShape(index, shape);
} else {
row.setShape(index, null);
}
}
} catch (SeException e) {
throw new ArcSdeException(e);
}
}
/**
* Returns the row index and column names for all the mutable properties in the sde layer. That
* is, those properties whose type is not
* {@link SeRegistration#SE_REGISTRATION_ROW_ID_COLUMN_TYPE_SDE}, which are used as row id
* columns managed by arcsde.
*
* @return a map keyed by mutable column name and valued by the index of the mutable column name
* in the SeTable structure
* @throws IOException
* @throws NoSuchElementException
*/
private LinkedHashMap<Integer, String> getUpdatableColumnNames() throws NoSuchElementException,
IOException {
if (mutableColumnNames == null) {
// We are going to inspect the column defintions in order to
// determine which attributes are actually mutable...
final String typeName = this.featureType.getTypeName();
final SeColumnDefinition[] columnDefinitions = session.describe(typeName);
final String shapeAttributeName;
if (this.featureType.getGeometryDescriptor() == null) {
// no geometry column, it's a non sptial registered table
shapeAttributeName = null;
} else {
shapeAttributeName = session.issue(new Command<String>() {
@Override
public String execute(ISession session, SeConnection connection)
throws SeException, IOException {
SeLayer layer = session.getLayer(typeName);
return layer.getShapeAttributeName(SeLayer.SE_SHAPE_ATTRIBUTE_FID);
}
});
}
// use LinkedHashMap to respect column order
LinkedHashMap<Integer, String> columnList = new LinkedHashMap<Integer, String>();
SeColumnDefinition columnDefinition;
String columnName;
int usedIndex = 0;
for (int actualIndex = 0; actualIndex < columnDefinitions.length; actualIndex++) {
columnDefinition = columnDefinitions[actualIndex];
columnName = columnDefinition.getName();
// this is an attribute added to the featuretype
// solely to support FIDs. It isn't an actual attribute
// on the underlying SDE table, and as such it can't
// be written to. Skip it!
if (columnName.equals(shapeAttributeName)) {
continue;
}
// ignore SeColumns for which we don't have a known mapping
final int sdeType = columnDefinition.getType();
if (SeColumnDefinition.TYPE_SHAPE != sdeType
&& null == ArcSDEAdapter.getJavaBinding(new Integer(sdeType))) {
continue;
}
// We need to exclude read only types from the set of "mutable"
// column names.
final short rowIdType = columnDefinition.getRowIdType();
if (SeRegistration.SE_REGISTRATION_ROW_ID_COLUMN_TYPE_SDE == rowIdType) {
continue;
}
columnList.put(Integer.valueOf(usedIndex), columnName);
// only increment usedIndex if we added a mutable column to
// the list
usedIndex++;
}
this.mutableColumnNames = columnList;
}
return this.mutableColumnNames;
}
private LinkedHashMap<Integer, String> getInsertableColumnNames()
throws NoSuchElementException, IOException {
if (insertableColumnNames == null) {
// We are going to inspect the column defintions in order to
// determine which attributes are actually mutable...
String typeName = this.featureType.getTypeName();
final SeColumnDefinition[] columnDefinitions = session.describe(typeName);
// use LinkedHashMap to respect column order
LinkedHashMap<Integer, String> columnList = new LinkedHashMap<Integer, String>();
SeColumnDefinition columnDefinition;
String columnName;
int usedIndex = 0;
for (int actualIndex = 0; actualIndex < columnDefinitions.length; actualIndex++) {
columnDefinition = columnDefinitions[actualIndex];
columnName = columnDefinition.getName();
if (fidReader instanceof FIDReader.SdeManagedFidReader) {
if (columnName.equals(fidReader.getFidColumn()))
continue;
}
// ignore SeColumns for which we don't have a known mapping
final int sdeType = columnDefinition.getType();
if (SeColumnDefinition.TYPE_SHAPE != sdeType
&& null == ArcSDEAdapter.getJavaBinding(Integer.valueOf(sdeType))) {
continue;
}
columnList.put(Integer.valueOf(usedIndex), columnName);
usedIndex++;
}
this.insertableColumnNames = columnList;
}
return this.insertableColumnNames;
}
private SeTable getTable() throws IOException {
if (this.cachedTable == null) {
final String typeName = this.featureType.getTypeName();
this.cachedTable = session.getTable(typeName);
}
return this.cachedTable;
}
private SeLayer getLayer() throws IOException {
if (this.cachedLayer == null && featureType.getGeometryDescriptor() != null) {
final String typeName = this.featureType.getTypeName();
final SeLayer layer = session.getLayer(typeName);
this.cachedLayer = layer;
}
return this.cachedLayer;
}
/**
* Creates a feature id for a new feature; the feature id is compound of the
* {@value #NEW_FID_PREFIX} plus a UUID.
*
* @return
*/
private String newFid() {
return NEW_FID_PREFIX + UUID.randomUUID();
}
/**
* Checks if <code>feature</code> has been created by this writer
* <p>
* A Feature is created but not yet inserted if its id starts with {@link #NEW_FID_PREFIX}
* </p>
*
* @param aFeature
* @return
*/
private final boolean isNewlyCreated(SimpleFeature aFeature) {
final String id = aFeature.getID();
return id.startsWith(NEW_FID_PREFIX);
}
public ISession getSession() {
return session;
}
private static class MutableFIDFeature extends SimpleFeatureImpl {
public MutableFIDFeature(List<Object> values, SimpleFeatureType ft, String fid)
throws IllegalAttributeException {
super(values, ft, createDefaultFID(fid));
}
private static FeatureIdImpl createDefaultFID(String id) {
if (id == null) {
id = SimpleFeatureBuilder.createDefaultFeatureId();
}
return new FeatureIdImpl(id) {
public void setID(String id) {
if (fid == null) {
throw new NullPointerException("fid must not be null");
}
if (origionalFid == null) {
origionalFid = fid;
}
fid = id;
}
};
}
/**
* Sets the FID, used by datastores only.
*
* I would love to protect this for safety reason, i.e. so client classes can't use it by
* casting to it.
*
* @param id
* The fid to set.
*/
public void setID(String fid) {
((FeatureIdImpl) id).setID(fid);
}
}
}