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Permazen analog to UNIX fsck(8) command for checking the consistency of, and repairing any corruption in, a Permazen key/value database

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/*
 * Copyright (C) 2015 Archie L. Cobbs. All rights reserved.
 */

package io.permazen.jsck;

import io.permazen.core.ObjId;
import io.permazen.schema.SetSchemaField;
import io.permazen.util.ByteReader;
import io.permazen.util.ByteWriter;

class SetElementIndex extends CollectionElementIndex {

    SetElementIndex(JsckInfo info, int schemaVersion, SetSchemaField field) {
        super(info, schemaVersion, field, "set");
    }

    @Override
    protected void validateIndexEntrySuffix(JsckInfo info, ByteReader reader, byte[] indexValue, ObjId id) {

        // No additional info
        this.validateEOF(reader);

        // Validate element exists in set
        if (info.getConfig().isRepair()) {
            final ByteWriter writer = this.buildFieldKey(id, this.parentStorageId);
            writer.write(indexValue);
            final byte[] key = writer.getBytes();
            if (info.getKVStore().get(key) == null) {
                throw new IllegalArgumentException("object " + id + " set field #" + this.parentStorageId
                  + " does not contain value " + Jsck.ds(indexValue) + " having " + this.type);
            }
        }
    }
}