Examples with StorageMetadata io.pravega.segmentstore.storage.metadata.StorageMetadata used on opensource projects

Example 1 with StorageMetadata

use of io.pravega.segmentstore.storage.metadata.StorageMetadata in project pravega by pravega.

the class SltsMetadataSerializer method handleStorageMetadataValue.

/**
 * Convert {@link StorageMetadata} into string of fields and values to be appended it into the given StringBuilder.
 *
 * @param builder  The given StringBuilder.
 * @param metadata The StorageMetadata instance.
 */
private void handleStorageMetadataValue(StringBuilder builder, StorageMetadata metadata) {
    if (metadata instanceof ChunkMetadata) {
        appendField(builder, METADATA_TYPE, CHUNK_METADATA);
        ChunkMetadata chunkMetadata = (ChunkMetadata) metadata;
        CHUNK_METADATA_FIELD_MAP.forEach((name, f) -> appendField(builder, name, String.valueOf(f.apply(chunkMetadata))));
    } else if (metadata instanceof SegmentMetadata) {
        appendField(builder, METADATA_TYPE, SEGMENT_METADATA);
        SegmentMetadata segmentMetadata = (SegmentMetadata) metadata;
        SEGMENT_METADATA_FIELD_MAP.forEach((name, f) -> appendField(builder, name, String.valueOf(f.apply(segmentMetadata))));
    } else if (metadata instanceof ReadIndexBlockMetadata) {
        appendField(builder, METADATA_TYPE, READ_INDEX_BLOCK_METADATA);
        ReadIndexBlockMetadata readIndexBlockMetadata = (ReadIndexBlockMetadata) metadata;
        READ_INDEX_BLOCK_METADATA_FIELD_MAP.forEach((name, f) -> appendField(builder, name, String.valueOf(f.apply(readIndexBlockMetadata))));
    }
}