Package org.apache.hadoop.hbase.filter

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

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    }
    verifyResult(result, kvListExp, toLog, "Testing multiple CFs + CRF");

    get = new Get(ROW);
    get.setMaxResultsPerColumnFamily(7);
    get.setFilter(new ColumnPrefixFilter(QUALIFIERS[1]));
    result = ht.get(get);
    kvListExp = new ArrayList<Cell>();
    kvListExp.add(new KeyValue(ROW, FAMILIES[0], QUALIFIERS[1], 1, VALUE));
    kvListExp.add(new KeyValue(ROW, FAMILIES[1], QUALIFIERS[1], 1, VALUE));
    kvListExp.add(new KeyValue(ROW, FAMILIES[2], QUALIFIERS[1], 1, VALUE));
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    }
    verifyResult(result, kvListExp, toLog, "Testing multiple CFs + CRF");

    get = new Get(ROW);
    get.setMaxResultsPerColumnFamily(7);
    get.setFilter(new ColumnPrefixFilter(QUALIFIERS[1]));
    result = ht.get(get);
    kvListExp = new ArrayList<Cell>();
    kvListExp.add(new KeyValue(ROW, FAMILIES[0], QUALIFIERS[1], 1, VALUE));
    kvListExp.add(new KeyValue(ROW, FAMILIES[1], QUALIFIERS[1], 1, VALUE));
    kvListExp.add(new KeyValue(ROW, FAMILIES[2], QUALIFIERS[1], 1, VALUE));
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                // each column family filter consists of a FamilyFilter AND a PrefixFilter
                FilterList thisColumnFilter = new FilterList(FilterList.Operator.MUST_PASS_ALL);
                thisColumnFilter.addFilter(new FamilyFilter(CompareOp.EQUAL,
                        new BinaryComparator(colInfo.getColumnFamily())));
                thisColumnFilter.addFilter(new ColumnPrefixFilter(
                        colInfo.getColumnPrefix()));

                allColumnFilters.addFilter(thisColumnFilter);
            }
        }
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    }
    verifyResult(result, kvListExp, toLog, "Testing multiple CFs + CRF");

    get = new Get(ROW);
    get.setMaxResultsPerColumnFamily(7);
    get.setFilter(new ColumnPrefixFilter(QUALIFIERS[1]));
    result = ht.get(get);
    kvListExp = new ArrayList<KeyValue>();
    kvListExp.add(new KeyValue(ROW, FAMILIES[0], QUALIFIERS[1], 1, VALUE));
    kvListExp.add(new KeyValue(ROW, FAMILIES[1], QUALIFIERS[1], 1, VALUE));
    kvListExp.add(new KeyValue(ROW, FAMILIES[2], QUALIFIERS[1], 1, VALUE));
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        break;
      case ColumnPaginationFilter:
        filter = new ColumnPaginationFilter(limit, offset);
        break;
      case ColumnPrefixFilter:
        filter = new ColumnPrefixFilter(Base64.decode(value));
        break;
      case ColumnRangeFilter:
        filter = new ColumnRangeFilter(Base64.decode(minColumn),
            minColumnInclusive, Base64.decode(maxColumn),
            maxColumnInclusive);
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                                Bytes.toString(colInfo.getColumnPrefix()));
                    }

                    // add a PrefixFilter to the list of column filters
                    if (colInfo.getColumnPrefix() != null) {
                        columnFilters.addFilter(new ColumnPrefixFilter(
                            colInfo.getColumnPrefix()));
                    }
                }
                else {
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                                Bytes.toString(colInfo.getColumnPrefix()));
                    }

                    // add a PrefixFilter to the list of column filters
                    if (colInfo.getColumnPrefix() != null) {
                        columnFilters.addFilter(new ColumnPrefixFilter(
                            colInfo.getColumnPrefix()));
                    }
                }
                else {
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    }

    private void assertPrefixFilter(Filter filter, String prefix) {
        assertTrue("Filter is not a ColumnPrefixFilter: " + filter.getClass().getSimpleName(),
                filter instanceof ColumnPrefixFilter);
        ColumnPrefixFilter familyFilter = (ColumnPrefixFilter)filter;
        assertEquals("Unexpected prefix", prefix, Bytes.toString(familyFilter.getPrefix()));
    }
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    }
    verifyResult(result, kvListExp, toLog, "Testing multiple CFs + CRF");

    get = new Get(ROW);
    get.setMaxResultsPerColumnFamily(7);
    get.setFilter(new ColumnPrefixFilter(QUALIFIERS[1]));
    result = ht.get(get);
    kvListExp = new ArrayList<KeyValue>();
    kvListExp.add(new KeyValue(ROW, FAMILIES[0], QUALIFIERS[1], 1, VALUE));
    kvListExp.add(new KeyValue(ROW, FAMILIES[1], QUALIFIERS[1], 1, VALUE));
    kvListExp.add(new KeyValue(ROW, FAMILIES[2], QUALIFIERS[1], 1, VALUE));
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                // each column family filter consists of a FamilyFilter AND a PrefixFilter
                FilterList thisColumnFilter = new FilterList(FilterList.Operator.MUST_PASS_ALL);
                thisColumnFilter.addFilter(new FamilyFilter(CompareOp.EQUAL,
                        new BinaryComparator(colInfo.getColumnFamily())));
                thisColumnFilter.addFilter(new ColumnPrefixFilter(
                        colInfo.getColumnPrefix()));

                allColumnFilters.addFilter(thisColumnFilter);
            }
        }
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