org.geotools.data.Query.getStartIndex()方法的使用及代码示例

x33g5p2x  于2022-01-28 转载在 其他  
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本文整理了Java中org.geotools.data.Query.getStartIndex方法的一些代码示例,展示了Query.getStartIndex的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台,是从一些精选项目中提取出来的代码,具有较强的参考意义,能在一定程度帮忙到你。Query.getStartIndex方法的具体详情如下:
包路径:org.geotools.data.Query
类名称:Query
方法名:getStartIndex

Query.getStartIndex介绍

[英]Get the index of the first feature to retrieve.
[中]获取要检索的第一个要素的索引。

代码示例

代码示例来源:origin: geoserver/geoserver

  1. offset = query.getStartIndex();
  2. maxFeatures =
  3. query.getMaxFeatures() == Integer.MAX_VALUE ? null : query.getMaxFeatures();
  4. if (query.getStartIndex() != null) {
  5. if (!source.getQueryCapabilities().isOffsetSupported()) {
  6. offset = query.getStartIndex();
  7. maxFeatures =
  8. query.getMaxFeatures() == Integer.MAX_VALUE ? null : query.getMaxFeatures();

代码示例来源:origin: geoserver/geoserver

  1. result.setStartIndex(userQuery.getStartIndex());
  2. result.setSortBy(userQuery.getSortBy());

代码示例来源:origin: geotools/geotools

  1. public IndexUniqueVisitorIterator(
  2. FeatureCollection<SimpleFeatureType, SimpleFeature> fc,
  3. Query idQuery,
  4. String idFieldName) {
  5. super();
  6. this.fc = fc;
  7. this.idQuery = idQuery;
  8. this.idFieldName = idFieldName;
  9. this.start = idQuery.getStartIndex() != null ? idQuery.getStartIndex() : 0;
  10. this.max = idQuery.getMaxFeatures();
  11. currentVisitorStart = this.start;
  12. initVisitor();
  13. }

代码示例来源:origin: geotools/geotools

  1. /**
  2. * Applies the limit/offset elements to the query if they are specified and if the dialect
  3. * supports them
  4. *
  5. * @param sql The sql to be modified
  6. * @param the query that holds the limit and offset parameters
  7. */
  8. public void applyLimitOffset(StringBuffer sql, Query query) {
  9. applyLimitOffset(sql, query.getStartIndex(), query.getMaxFeatures());
  10. }

代码示例来源:origin: geotools/geotools

  1. if (size >= 0) {
  2. if (query.getStartIndex() != null && txQuery.getStartIndex() == null) {
  3. size -= query.getStartIndex();

代码示例来源:origin: geotools/geotools

  1. StringBuffer sql = new StringBuffer();
  2. boolean offsetLimit = checkLimitOffset(query.getStartIndex(), query.getMaxFeatures());
  3. if (offsetLimit) {
  4. applyLimitOffset(sql, query.getStartIndex(), query.getMaxFeatures());

代码示例来源:origin: geotools/geotools

  1. /**
  2. * Hashcode based on all parameters other than the handle.
  3. *
  4. * @return hascode for this Query
  5. */
  6. @Override
  7. public int hashCode() {
  8. String[] n = getPropertyNames();
  9. return ((n == null) ? (-1) : ((n.length == 0) ? 0 : (n.length | n[0].hashCode())))
  10. | getMaxFeatures()
  11. | ((getFilter() == null) ? 0 : getFilter().hashCode())
  12. | ((getTypeName() == null) ? 0 : getTypeName().hashCode())
  13. | ((getVersion() == null) ? 0 : getVersion().hashCode())
  14. | ((getCoordinateSystem() == null) ? 0 : getCoordinateSystem().hashCode())
  15. | ((getCoordinateSystemReproject() == null)
  16. ? 0
  17. : getCoordinateSystemReproject().hashCode())
  18. | getStartIndex();
  19. }

代码示例来源:origin: geotools/geotools

  1. applyLimitOffset(sql, query.getStartIndex(), query.getMaxFeatures());

代码示例来源:origin: geotools/geotools

  1. protected PreparedStatement selectJoinSQLPS(
  2. SimpleFeatureType featureType, JoinInfo join, Query query, Connection cx)
  3. throws SQLException, IOException {
  4. StringBuffer sql = new StringBuffer();
  5. sql.append("SELECT ");
  6. selectColumns(featureType, join.getPrimaryAlias(), query, sql);
  7. // joined columns
  8. for (JoinPart part : join.getParts()) {
  9. selectColumns(part.getQueryFeatureType(), part.getAlias(), query, sql);
  10. }
  11. sql.setLength(sql.length() - 1);
  12. dialect.encodePostSelect(featureType, sql);
  13. sql.append(" FROM ");
  14. // join clauses
  15. encodeTableJoin(featureType, join, query, sql);
  16. // filtering
  17. List<FilterToSQL> toSQLs = encodeWhereJoin(featureType, join, sql);
  18. // sorting
  19. sort(featureType, query.getSortBy(), join.getPrimaryAlias(), sql);
  20. // finally encode limit/offset, if necessary
  21. applyLimitOffset(sql, query.getStartIndex(), query.getMaxFeatures());
  22. LOGGER.fine(sql.toString());
  23. PreparedStatement ps =
  24. cx.prepareStatement(
  25. sql.toString(), ResultSet.TYPE_FORWARD_ONLY, ResultSet.CONCUR_READ_ONLY);
  26. ps.setFetchSize(fetchSize);
  27. setPreparedFilterValues(ps, toSQLs, cx);
  28. return ps;
  29. }

代码示例来源:origin: geotools/geotools

  1. applyLimitOffset(sql, query.getStartIndex(), query.getMaxFeatures());

代码示例来源:origin: geotools/geotools

  1. protected String selectJoinSQL(SimpleFeatureType featureType, JoinInfo join, Query query)
  2. throws IOException, SQLException {
  3. StringBuffer sql = new StringBuffer();
  4. sql.append("SELECT ");
  5. // column names
  6. selectColumns(featureType, join.getPrimaryAlias(), query, sql);
  7. // joined columns
  8. for (JoinPart part : join.getParts()) {
  9. selectColumns(part.getQueryFeatureType(), part.getAlias(), query, sql);
  10. }
  11. sql.setLength(sql.length() - 1);
  12. dialect.encodePostSelect(featureType, sql);
  13. // from
  14. sql.append(" FROM ");
  15. // join clauses
  16. encodeTableJoin(featureType, join, query, sql);
  17. // filtering
  18. encodeWhereJoin(featureType, join, sql);
  19. // TODO: sorting
  20. sort(featureType, query.getSortBy(), join.getPrimaryAlias(), sql);
  21. // finally encode limit/offset, if necessary
  22. applyLimitOffset(sql, query.getStartIndex(), query.getMaxFeatures());
  23. return sql.toString();
  24. }

代码示例来源:origin: geotools/geotools

  1. if (query.getStartIndex() != null && txQuery.getStartIndex() == null) {
  2. for (int i = 0; i < query.getStartIndex() && transformed.hasNext(); i++) {
  3. transformed.next();

代码示例来源:origin: geotools/geotools

  1. int start = query.getStartIndex() != null ? query.getStartIndex() : 0;
  2. if (sourceFeaturesCounter >= (start + query.getMaxFeatures())) {
  3. return false;

代码示例来源:origin: geotools/geotools

  1. if (query.getStartIndex() != null && query.getStartIndex() > 0) {
  2. if (query.getStartIndex() > count) count = 0;
  3. else count -= query.getStartIndex();

代码示例来源:origin: geotools/geotools

  1. /**
  2. * Copy contructor.
  3. *
  4. * @param query the query to copy
  5. */
  6. public Query(Query query) {
  7. this(
  8. query.getTypeName(),
  9. query.getNamespace(),
  10. query.getFilter(),
  11. query.getMaxFeatures(),
  12. query.getProperties(),
  13. query.getHandle());
  14. this.sortBy = query.getSortBy();
  15. this.coordinateSystem = query.getCoordinateSystem();
  16. this.coordinateSystemReproject = query.getCoordinateSystemReproject();
  17. this.version = query.getVersion();
  18. this.hints = query.getHints();
  19. this.startIndex = query.getStartIndex();
  20. this.alias = query.getAlias();
  21. this.joins = new ArrayList();
  22. for (Join j : query.getJoins()) {
  23. this.joins.add(new Join(j));
  24. }
  25. }

代码示例来源:origin: geotools/geotools

  1. : getCoordinateSystemReproject()
  2. .equals(other.getCoordinateSystemReproject()))
  3. && (getStartIndex() == other.getStartIndex())
  4. && (getHints() == null
  5. ? (other.getHints() == null)

代码示例来源:origin: geotools/geotools

  1. || (query.getStartIndex() != null
  2. && query.getStartIndex() > 0
  3. && !canOffset())) {

代码示例来源:origin: geotools/geotools

  1. /**
  2. * Copy contructor, clones the state of a generic Query into a DefaultQuery
  3. *
  4. * @param query
  5. */
  6. public DefaultQuery(Query query) {
  7. this(
  8. query.getTypeName(),
  9. query.getNamespace(),
  10. query.getFilter(),
  11. query.getMaxFeatures(),
  12. query.getProperties(),
  13. query.getHandle());
  14. this.sortBy = query.getSortBy();
  15. this.coordinateSystem = query.getCoordinateSystem();
  16. this.coordinateSystemReproject = query.getCoordinateSystemReproject();
  17. this.version = query.getVersion();
  18. this.hints = query.getHints();
  19. this.startIndex = query.getStartIndex();
  20. this.alias = query.getAlias();
  21. this.joins = query.getJoins();
  22. }
  23. }

代码示例来源:origin: geotools/geotools

  1. private Query namedQuery(Query query) {
  2. Query namedQuery =
  3. namedQuery(
  4. query.getFilter(), query.getMaxFeatures(), query instanceof JoiningQuery);
  5. namedQuery.setProperties(query.getProperties());
  6. namedQuery.setCoordinateSystem(query.getCoordinateSystem());
  7. namedQuery.setCoordinateSystemReproject(query.getCoordinateSystemReproject());
  8. namedQuery.setHandle(query.getHandle());
  9. namedQuery.setMaxFeatures(query.getMaxFeatures());
  10. namedQuery.setStartIndex(query.getStartIndex());
  11. namedQuery.setSortBy(query.getSortBy());
  12. namedQuery.setHints(query.getHints());
  13. if (query instanceof JoiningQuery) {
  14. ((JoiningQuery) namedQuery).setQueryJoins(((JoiningQuery) query).getQueryJoins());
  15. ((JoiningQuery) namedQuery).setRootMapping(((JoiningQuery) query).getRootMapping());
  16. }
  17. return namedQuery;
  18. }

代码示例来源:origin: geotools/geotools

  1. if (query.getStartIndex() != null && !caps.isJoiningSupported()) {
  2. txQuery.setStartIndex(null);

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