Examples with FieldValue org.apache.hadoop.hbase.hbtop.field.FieldValue used on opensource projects

Example 6 with FieldValue

use of org.apache.hadoop.hbase.hbtop.field.FieldValue in project hbase by apache.

the class RecordFilter method parse.

/*
   * Parse a filter string and build a RecordFilter instance.
   */
public static RecordFilter parse(String filterString, List<Field> fields, boolean ignoreCase) {
    int index = 0;
    boolean not = isNot(filterString);
    if (not) {
        index += 1;
    }
    StringBuilder fieldString = new StringBuilder();
    while (filterString.length() > index && filterString.charAt(index) != '<' && filterString.charAt(index) != '>' && filterString.charAt(index) != '=') {
        fieldString.append(filterString.charAt(index++));
    }
    if (fieldString.length() == 0 || filterString.length() == index) {
        return null;
    }
    Field field = getField(fields, fieldString.toString());
    if (field == null) {
        return null;
    }
    StringBuilder operatorString = new StringBuilder();
    while (filterString.length() > index && (filterString.charAt(index) == '<' || filterString.charAt(index) == '>' || filterString.charAt(index) == '=')) {
        operatorString.append(filterString.charAt(index++));
    }
    Operator operator = getOperator(operatorString.toString());
    if (operator == null) {
        return null;
    }
    String value = filterString.substring(index);
    FieldValue fieldValue = getFieldValue(field, value);
    if (fieldValue == null) {
        return null;
    }
    return new RecordFilter(ignoreCase, not, field, operator, fieldValue);
}