Examples of PageFilter

com.day.cq.wcm.api.PageFilter
com.ecyrd.jspwiki.filters.PageFilter
Provides a definition for a page filter. A page filter is a class that can be used to transform the WikiPage content being saved or being loaded at any given time.
Note that the WikiContext.getPage() method always returns the context in which text is rendered, i.e. the original request. Thus the content may actually be different content than what what the wikiContext.getPage() implies! This happens often if you are for example including multiple pages on the same page.
PageFilters must be thread-safe! There is only one instance of each PageFilter per each WikiEngine invocation. If you need to store data persistently, use VariableManager, or WikiContext.
As of 2.5.30, initialize() gains access to the WikiEngine.
org.apache.hadoop.hbase.filter.PageFilter
Implementation of Filter interface that limits results to a specific page size. It terminates scanning once the number of filter-passed rows is > the given page size.
Note that this filter cannot guarantee that the number of results returned to a client are <= page size. This is because the filter is applied separately on different region servers. It does however optimize the scan of individual HRegions by making sure that the page size is never exceeded locally.
org.apache.hadoop.hbase.hbql.filter.PageFilter
Implementation of Filter interface that limits results to a specific page size. It terminates scanning once the number of filter-passed rows is > the given page size.
Note that this filter cannot guarantee that the number of results returned to a client are <= page size. This is because the filter is applied separately on different region servers. It does however optimize the scan of individual HRegions by making sure that the page size is never exceeded locally.
org.apache.wiki.api.filters.PageFilter
Provides a definition for a page filter. A page filter is a class that can be used to transform the WikiPage content being saved or being loaded at any given time.
Note that the WikiContext.getPage() method always returns the context in which text is rendered, i.e. the original request. Thus the content may actually be different content than what what the wikiContext.getPage() implies! This happens often if you are for example including multiple pages on the same page.
PageFilters must be thread-safe! There is only one instance of each PageFilter per each WikiEngine invocation. If you need to store data persistently, use VariableManager, or WikiContext.
As of 2.5.30, initialize() gains access to the WikiEngine.
org.apache.wiki.filters.PageFilter
Provides a definition for a page filter. A page filter is a class that can be used to transform the WikiPage content being saved or being loaded at any given time.
Note that the WikiContext.getPage() method always returns the context in which text is rendered, i.e. the original request. Thus the content may actually be different content than what what the wikiContext.getPage() implies! This happens often if you are for example including multiple pages on the same page.
PageFilters must be thread-safe! There is only one instance of each PageFilter per each WikiEngine invocation. If you need to store data persistently, use VariableManager, or WikiContext.
As of 2.5.30, initialize() gains access to the WikiEngine. @deprecated will be removed in 2.10 scope. Consider using {@link org.apache.wiki.api.filters.PageFilter} instead

Examples of org.apache.hadoop.hbase.filter.PageFilter

    
    // Grab all 6 rows
    long expectedRows = 6;
    long expectedKeys = colsPerRow;
    Scan s = new Scan();
    s.setFilter(new PageFilter(expectedRows));
    verifyScan(s, expectedRows, expectedKeys);
    s.setFilter(new PageFilter(expectedRows));
    verifyScanFull(s, expectedKVs);
    
    // Grab first 4 rows (6 cols per row)
    expectedRows = 4;
    expectedKeys = colsPerRow;
    s = new Scan();
    s.setFilter(new PageFilter(expectedRows));
    verifyScan(s, expectedRows, expectedKeys);
    s.setFilter(new PageFilter(expectedRows));
    verifyScanFull(s, Arrays.copyOf(expectedKVs, 24));
    
    // Grab first 2 rows
    expectedRows = 2;
    expectedKeys = colsPerRow;
    s = new Scan();
    s.setFilter(new PageFilter(expectedRows));
    verifyScan(s, expectedRows, expectedKeys);
    s.setFilter(new PageFilter(expectedRows));
    verifyScanFull(s, Arrays.copyOf(expectedKVs, 12));


    // Grab first row
    expectedRows = 1;
    expectedKeys = colsPerRow;
    s = new Scan();
    s.setFilter(new PageFilter(expectedRows));
    verifyScan(s, expectedRows, expectedKeys);
    s.setFilter(new PageFilter(expectedRows));
    verifyScanFull(s, Arrays.copyOf(expectedKVs, 6));    
  }

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Examples of org.apache.hadoop.hbase.filter.PageFilter


    @Override
    void testRow(final int i) throws IOException {
      Scan scan = new Scan(getRandomRow(this.rand, this.totalRows));
      scan.addColumn(FAMILY_NAME, QUALIFIER_NAME);
      scan.setFilter(new WhileMatchFilter(new PageFilter(120)));
      ResultScanner s = this.table.getScanner(scan);
      //int count = 0;
      for (Result rr = null; (rr = s.next()) != null;) {
        // LOG.info("" + count++ + " " + rr.toString());
      }

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Examples of org.apache.hadoop.hbase.filter.PageFilter


    @Override
    void testRow(final int i) throws IOException {
      Scan scan = new Scan(getRandomRow(this.rand, this.totalRows));
      scan.addColumn(FAMILY_NAME, QUALIFIER_NAME);
      scan.setFilter(new WhileMatchFilter(new PageFilter(120)));
      ResultScanner s = this.table.getScanner(scan);
      //int count = 0;
      for (Result rr = null; (rr = s.next()) != null;) {
        // LOG.info("" + count++ + " " + rr.toString());
      }

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Examples of org.apache.hadoop.hbase.filter.PageFilter

    
    @Override
    void testRow(final int i) throws IOException {
      Scan scan = new Scan(getRandomRow(this.rand, this.totalRows));
      scan.addColumn(FAMILY_NAME, QUALIFIER_NAME);
      scan.setFilter(new WhileMatchFilter(new PageFilter(120)));
      ResultScanner s = this.table.getScanner(scan);
      //int count = 0;
      for (Result rr = null; (rr = s.next()) != null;) {
        // LOG.info("" + count++ + " " + rr.toString());
      }

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Examples of org.apache.hadoop.hbase.filter.PageFilter


    @Override
    void testRow(final int i) throws IOException {
      Scan scan = new Scan(getRandomRow(this.rand, this.totalRows));
      scan.addColumn(FAMILY_NAME, QUALIFIER_NAME);
      scan.setFilter(new WhileMatchFilter(new PageFilter(120)));
      ResultScanner s = this.table.getScanner(scan);
      for (Result rr; (rr = s.next()) != null;) ;
      s.close();
    }

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Examples of org.apache.hadoop.hbase.filter.PageFilter

        }
        planSteps.add(buf.toString());
        
        Scan scan = context.getScan();
        Filter filter = scan.getFilter();
        PageFilter pageFilter = null;
        if (filter != null) {
            int offset = 0;
            boolean hasFirstKeyOnlyFilter = false;
            String filterDesc = "";
            if (hasSkipScanFilter) {
                if (filter instanceof FilterList) {
                    List<Filter> filterList = ((FilterList) filter).getFilters();
                    if (filterList.get(0) instanceof FirstKeyOnlyFilter) {
                        hasFirstKeyOnlyFilter = true;
                        offset = 1;
                    }
                    if (filterList.size() > offset+1) {
                        filterDesc = filterList.get(offset+1).toString();
                        pageFilter = getPageFilter(filterList);
                    }
                }
            } else if (filter instanceof FilterList) {
                List<Filter> filterList = ((FilterList) filter).getFilters();
                if (filterList.get(0) instanceof FirstKeyOnlyFilter) {
                    hasFirstKeyOnlyFilter = true;
                    offset = 1;
                }
                if (filterList.size() > offset) {
                    filterDesc = filterList.get(offset).toString();
                    pageFilter = getPageFilter(filterList);
                }
            } else {
                if (filter instanceof FirstKeyOnlyFilter) {
                    hasFirstKeyOnlyFilter = true;
                } else {
                    filterDesc = filter.toString();
                }
            }
            if (filterDesc.length() > 0) {
                planSteps.add("    SERVER FILTER BY " + (hasFirstKeyOnlyFilter ? "FIRST KEY ONLY AND " : "") + filterDesc);
            } else if (hasFirstKeyOnlyFilter) {
                planSteps.add("    SERVER FILTER BY FIRST KEY ONLY");
            }
            if (pageFilter != null) {
                planSteps.add("    SERVER " + pageFilter.getPageSize() + " ROW LIMIT");
            }
        }
        Integer groupByLimit = null;
        byte[] groupByLimitBytes = scan.getAttribute(BaseScannerRegionObserver.GROUP_BY_LIMIT);
        if (groupByLimitBytes != null) {

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Examples of org.apache.hadoop.hbase.filter.PageFilter

                for (PColumnFamily family : table.getColumnFamilies()) {
                    scan.addFamily(family.getName().getBytes());
                }
        } // TODO adding all CFs here is not correct. It should be done only after ColumnProjectionOptimization.
        if (limit != null) {
            ScanUtil.andFilterAtEnd(scan, new PageFilter(limit));
        }


        doColumnProjectionOptimization(context, scan, table, statement);
    }

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Examples of org.apache.hadoop.hbase.filter.PageFilter

    
    // Grab all 6 rows
    long expectedRows = 6;
    long expectedKeys = colsPerRow;
    Scan s = new Scan();
    s.setFilter(new PageFilter(expectedRows));
    verifyScan(s, expectedRows, expectedKeys);
    s.setFilter(new PageFilter(expectedRows));
    verifyScanFull(s, expectedKVs);
    
    // Grab first 4 rows (6 cols per row)
    expectedRows = 4;
    expectedKeys = colsPerRow;
    s = new Scan();
    s.setFilter(new PageFilter(expectedRows));
    verifyScan(s, expectedRows, expectedKeys);
    s.setFilter(new PageFilter(expectedRows));
    verifyScanFull(s, Arrays.copyOf(expectedKVs, 24));
    
    // Grab first 2 rows
    expectedRows = 2;
    expectedKeys = colsPerRow;
    s = new Scan();
    s.setFilter(new PageFilter(expectedRows));
    verifyScan(s, expectedRows, expectedKeys);
    s.setFilter(new PageFilter(expectedRows));
    verifyScanFull(s, Arrays.copyOf(expectedKVs, 12));


    // Grab first row
    expectedRows = 1;
    expectedKeys = colsPerRow;
    s = new Scan();
    s.setFilter(new PageFilter(expectedRows));
    verifyScan(s, expectedRows, expectedKeys);
    s.setFilter(new PageFilter(expectedRows));
    verifyScanFull(s, Arrays.copyOf(expectedKVs, 6));    
  }

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Examples of org.apache.hadoop.hbase.filter.PageFilter

            if (endpoint.getFilters() != null) {
                filters.addAll(endpoint.getFilters());
            }


            if (maxMessagesPerPoll > 0) {
                filters.add(new PageFilter(maxMessagesPerPoll));
            }
            Filter compoundFilter = new FilterList(filters);
            scan.setFilter(compoundFilter);


            if (rowModel != null && rowModel.getCells() != null) {

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Examples of org.apache.hadoop.hbase.filter.PageFilter

    
    @Override
    void testRow(final int i) throws IOException {
      Scan scan = new Scan(getRandomRow(this.rand, this.totalRows));
      scan.addColumn(FAMILY_NAME, QUALIFIER_NAME);
      scan.setFilter(new WhileMatchFilter(new PageFilter(120)));
      ResultScanner s = this.table.getScanner(scan);
      //int count = 0;
      for (Result rr = null; (rr = s.next()) != null;) {
        // LOG.info("" + count++ + " " + rr.toString());
      }

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