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

org.apache.hadoop.hbase.filter.KeyOnlyFilter
A filter that will only return the key component of each KV (the value will be rewritten as empty).
This filter can be used to grab all of the keys without having to also grab the values.

            }
            String[] columnAsArr = getColumnsAsArray();


            if (isFindKeyOnly(m, columnAsArr))
            {
                this.handler.setFilter(new KeyOnlyFilter());
            }


            if (filter == null && columns != null)
            {
                handler.readDataByRange(m.getSchema(), m.getEntityClazz(), m, translator.getStartRow(),

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        if (f != null) {
            filter.addFilter(f);
        }
        if (isFindKeyOnly(metadata, columns)) {
            columns = null;
            filter.addFilter(new KeyOnlyFilter());
        }


        try {
            results =
                fetchEntity(entityClass, null, entityMetadata, relationNames, tableName, results, filter, columns);

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        if (f != null) {
            filter.addFilter(f);
        }
        if (isFindKeyOnly(metadata, columns)) {
            columns = null;
            filter.addFilter(new KeyOnlyFilter());
        }


        try {
            MetamodelImpl metaModel =
                (MetamodelImpl) kunderaMetadata.getApplicationMetadata().getMetamodel(

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        EntityMetadata m = KunderaMetadataManager.getEntityMetadata(kunderaMetadata, entityClazz);


        byte[] valueInBytes = HBaseUtils.getBytes(columnValue);
        Filter f =
            new SingleColumnValueFilter(Bytes.toBytes(tableName), Bytes.toBytes(columnName), operator, valueInBytes);
        KeyOnlyFilter keyFilter = new KeyOnlyFilter();
        FilterList filterList = new FilterList(f, keyFilter);
        try {
            return handler.scanRowyKeys(filterList, schemaName, tableName, columnName + "_" + columnValue, m
                .getIdAttribute().getBindableJavaType());
        } catch (IOException e) {

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