Java FeatureRow类代码示例

import mil.nga.geopackage.features.user.FeatureRow; //导入依赖的package包/类
/**
 * Get the column name by checking for a DataColumns name, otherwise returns the provided column name
 *
 * @param dataColumnsDao data columns dao
 * @param featureRow     feature row
 * @param columnName     column name
 * @return column name
 */
private String getColumnName(DataColumnsDao dataColumnsDao, FeatureRow featureRow, String columnName) {

    String newColumnName = columnName;

    if (dataColumnsDao != null) {
        try {
            DataColumns dataColumn = dataColumnsDao.getDataColumn(featureRow.getTable().getTableName(), columnName);
            if (dataColumn != null) {
                newColumnName = dataColumn.getName();
            }
        } catch (SQLException e) {
            Log.e(FeatureOverlayQuery.class.getSimpleName(),
                    "Failed to search for Data Column name for column: " + columnName
                            + ", Feature Table: " + featureRow.getTable().getTableName(), e);
        }
    }

    return newColumnName;
}
 

import mil.nga.geopackage.features.user.FeatureRow; //导入依赖的package包/类
/**
 * Index the feature row. This method assumes that indexing has been
 * completed and maintained as the last indexed time is updated.
 *
 * @param row feature row
 * @return true if indexed
 */
public boolean index(FeatureRow row) {
    TableIndex tableIndex = getTableIndex();
    if (tableIndex == null) {
        throw new GeoPackageException(
                "GeoPackage table is not indexed. GeoPackage: "
                        + getGeoPackage().getName() + ", Table: "
                        + getTableName());
    }
    boolean indexed = index(tableIndex, row.getId(), row.getGeometry());

    // Update the last indexed time
    updateLastIndexed();

    return indexed;
}
 

import mil.nga.geopackage.features.user.FeatureRow; //导入依赖的package包/类
/**
 * Get the feature row for the Geometry Index
 *
 * @param geometryIndex geometry index
 * @return feature row
 */
public FeatureRow getFeatureRow(GeometryIndex geometryIndex) {

    long geomId = geometryIndex.getGeomId();

    // Get the row or lock for reading
    FeatureRow row = featureRowSync.getRowOrLock(geomId);
    if (row == null) {
        // Query for the row and set in the sync
        try {
            row = featureDao.queryForIdRow(geomId);
        } finally {
            featureRowSync.setRow(geomId, row);
        }
    }

    return row;
}
 

import mil.nga.geopackage.features.user.FeatureRow; //导入依赖的package包/类
/**
 * Index the feature row. This method assumes that indexing has been completed and
 * maintained as the last indexed time is updated.
 *
 * @param type index location type
 * @param row  feature row to index
 * @return true if indexed
 */
public boolean index(FeatureIndexType type, FeatureRow row) {
    boolean indexed = false;
    if (type == null) {
        throw new GeoPackageException("FeatureIndexType is required to index");
    }
    switch (type) {
        case GEOPACKAGE:
            indexed = featureTableIndex.index(row);
            break;
        case METADATA:
            indexed = featureIndexer.index(row);
            break;
        default:
            throw new GeoPackageException("Unsupported FeatureIndexType: " + type);
    }
    return indexed;
}
 

import mil.nga.geopackage.features.user.FeatureRow; //导入依赖的package包/类
/**
 * Get the feature row for the Geometry Metadata
 *
 * @param geometryMetadata
 * @return feature row
 * @since 1.1.0
 */
public FeatureRow getFeatureRow(GeometryMetadata geometryMetadata) {

    long geomId = geometryMetadata.getId();

    // Get the row or lock for reading
    FeatureRow row = featureRowSync.getRowOrLock(geomId);
    if (row == null) {
        // Query for the row and set in the sync
        try {
            row = featureDao.queryForIdRow(geomId);
        } finally {
            featureRowSync.setRow(geomId, row);
        }
    }

    return row;
}
 

import mil.nga.geopackage.features.user.FeatureRow; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public Bitmap drawTile(int zoom, BoundingBox webMercatorBoundingBox, FeatureIndexResults results) {

    // Create bitmap and canvas
    Bitmap bitmap = createNewBitmap();
    Canvas canvas = new Canvas(bitmap);

    ProjectionTransform transform = getProjectionToWebMercatorTransform(featureDao.getProjection());

    for (FeatureRow featureRow : results) {
        drawFeature(zoom, webMercatorBoundingBox, transform, canvas, featureRow);
    }

    return bitmap;
}
 

import mil.nga.geopackage.features.user.FeatureRow; //导入依赖的package包/类
/**
 * Constructor
 *
 * @param task
 * @param database
 * @param featureDao
 * @param row
 * @param count
 * @param maxFeatures
 * @param editable
 * @param converter
 * @param filterBoundingBox
 * @param maxLongitude
 * @param filter
 */
public FeatureRowProcessor(MapFeaturesUpdateTask task, String database, FeatureDao featureDao,
                           FeatureRow row, AtomicInteger count, int maxFeatures,
                           boolean editable, GoogleMapShapeConverter converter,
                           BoundingBox filterBoundingBox, double maxLongitude, boolean filter) {
    this.task = task;
    this.database = database;
    this.featureDao = featureDao;
    this.row = row;
    this.count = count;
    this.maxFeatures = maxFeatures;
    this.editable = editable;
    this.converter = converter;
    this.filterBoundingBox = filterBoundingBox;
    this.maxLongitude = maxLongitude;
    this.filter = filter;
}
 

import mil.nga.geopackage.features.user.FeatureRow; //导入依赖的package包/类
/**
 * Info feature click
 *
 * @param marker
 * @param markerFeature
 */
private void infoFeatureClick(final Marker marker, MarkerFeature markerFeature) {
    final GeoPackage geoPackage = manager.open(markerFeature.database);
    final FeatureDao featureDao = geoPackage
            .getFeatureDao(markerFeature.tableName);

    final FeatureRow featureRow = featureDao.queryForIdRow(markerFeature.featureId);

    if (featureRow != null) {
        final GeoPackageGeometryData geomData = featureRow.getGeometry();
        final GeometryType geometryType = geomData.getGeometry()
                .getGeometryType();

        String title = getTitle(geometryType, marker);
        infoExistingFeatureOption(geoPackage, featureRow, title, geomData);
    } else {
        geoPackage.close();
    }
}
 

import mil.nga.geopackage.features.user.FeatureRow; //导入依赖的package包/类
/**
 * Index the feature row. This method assumes that indexing has been
 * completed and maintained as the last indexed time is updated.
 *
 * @param row
 *            feature row
 * @return true if indexed
 */
public boolean index(FeatureRow row) {
	TableIndex tableIndex = getTableIndex();
	if (tableIndex == null) {
		throw new GeoPackageException(
				"GeoPackage table is not indexed. GeoPackage: "
						+ getGeoPackage().getName() + ", Table: "
						+ getTableName());
	}
	boolean indexed = index(tableIndex, row.getId(), row.getGeometry());

	// Update the last indexed time
	updateLastIndexed();

	return indexed;
}
 

import mil.nga.geopackage.features.user.FeatureRow; //导入依赖的package包/类
/**
 * Get the feature row for the Geometry Index
 * 
 * @param geometryIndex
 *            geometry index
 * @return feature row
 */
public FeatureRow getFeatureRow(GeometryIndex geometryIndex) {

	long geomId = geometryIndex.getGeomId();

	// Get the row or lock for reading
	FeatureRow row = featureRowSync.getRowOrLock(geomId);
	if (row == null) {
		// Query for the row and set in the sync
		try {
			row = featureDao.queryForIdRow(geomId);
		} finally {
			featureRowSync.setRow(geomId, row);
		}
	}

	return row;
}
 

import mil.nga.geopackage.features.user.FeatureRow; //导入依赖的package包/类
/**
 * {@inheritDoc}
 */
@Override
public BufferedImage drawTile(int zoom, BoundingBox webMercatorBoundingBox,
		CloseableIterator<GeometryIndex> results) {

	// Create image and graphics
	BufferedImage image = createNewImage();
	Graphics2D graphics = getGraphics(image);

	// WGS84 to web mercator projection and google shape converter
	ProjectionTransform webMercatorTransform = getWebMercatorTransform();

	while (results.hasNext()) {
		GeometryIndex geometryIndex = results.next();
		FeatureRow featureRow = getFeatureIndex().getFeatureRow(
				geometryIndex);
		drawFeature(zoom, webMercatorBoundingBox, webMercatorTransform,
				graphics, featureRow);
	}

	return image;
}
 

import mil.nga.geopackage.features.user.FeatureRow; //导入依赖的package包/类
/**
 * Draw the feature
 *
 * @param zoom
 *            zoom level
 * @param boundingBox
 * @param transform
 * @param graphics
 * @param row
 */
private void drawFeature(int zoom, BoundingBox boundingBox,
		ProjectionTransform transform, Graphics2D graphics, FeatureRow row) {
	try {
		GeoPackageGeometryData geomData = row.getGeometry();
		if (geomData != null) {
			Geometry geometry = geomData.getGeometry();
			double simplifyTolerance = TileBoundingBoxUtils
					.toleranceDistance(zoom, tileWidth, tileHeight);
			drawGeometry(simplifyTolerance, boundingBox, transform,
					graphics, geometry);
		}
	} catch (Exception e) {
		log.log(Level.SEVERE, "Failed to draw feature in tile. Table: "
				+ featureDao.getTableName(), e);
	}
}
 

import mil.nga.geopackage.features.user.FeatureRow; //导入依赖的package包/类
/**
 * Index the feature rows in the cursor
 *
 * @param tableIndex table index
 * @param cursor     feature cursor
 * @return count
 */
private int indexRows(TableIndex tableIndex, FeatureCursor cursor) {

    int count = 0;

    try {
        while ((progress == null || progress.isActive())
                && cursor.moveToNext()) {
            try {
                FeatureRow row = cursor.getRow();
                if (row.isValid()) {
                    boolean indexed = index(tableIndex,
                            row.getId(), row.getGeometry());
                    if (indexed) {
                        count++;
                    }
                    if (progress != null) {
                        progress.addProgress(1);
                    }
                }
            } catch (Exception e) {
                Log.e(FeatureTableIndex.class.getSimpleName(), "Failed to index feature. Table: "
                        + tableIndex.getTableName() + ", Position: " + cursor.getPosition(), e);
            }
        }
    } finally {
        cursor.close();
    }

    return count;
}
 

import mil.nga.geopackage.features.user.FeatureRow; //导入依赖的package包/类
/**
 * Delete the feature index for the feature row from the index types
 *
 * @param row   feature row
 * @param types feature index types
 * @return true if deleted from any type
 * @since 2.0.0
 */
public boolean deleteIndex(FeatureRow row, List<FeatureIndexType> types) {
    boolean deleted = false;
    for (FeatureIndexType type : types) {
        if (deleteIndex(type, row)) {
            deleted = true;
        }
    }
    return deleted;
}
 

import mil.nga.geopackage.features.user.FeatureRow; //导入依赖的package包/类
/**
 * Index the feature row. This method assumes that indexing has been completed and
 * maintained as the last indexed time is updated.
 *
 * @param row
 * @return true if indexed
 */
public boolean index(FeatureRow row) {

    long geoPackageId = geometryMetadataDataSource.getGeoPackageId(featureDao.getDatabase());
    boolean indexed = index(geoPackageId, row, true);

    // Update the last indexed time
    updateLastIndexed(db, geoPackageId);

    return indexed;
}