Examples with SyntheticRecordTypeBuilder com.apple.foundationdb.record.metadata.SyntheticRecordTypeBuilder used on opensource projects

Example 1 with SyntheticRecordTypeBuilder

use of com.apple.foundationdb.record.metadata.SyntheticRecordTypeBuilder in project fdb-record-layer by FoundationDB.

the class RecordMetaDataBuilder method build.

/**
 * Build and validate meta-data with specific index registry.
 * @param validate {@code true} to validate the new meta-data
 * @return new meta-data
 */
@Nonnull
public RecordMetaData build(boolean validate) {
    Map<String, RecordType> builtRecordTypes = Maps.newHashMapWithExpectedSize(recordTypes.size());
    Map<String, SyntheticRecordType<?>> builtSyntheticRecordTypes = Maps.newHashMapWithExpectedSize(syntheticRecordTypes.size());
    RecordMetaData metaData = new RecordMetaData(recordsDescriptor, getUnionDescriptor(), unionFields, builtRecordTypes, builtSyntheticRecordTypes, indexes, universalIndexes, formerIndexes, splitLongRecords, storeRecordVersions, version, subspaceKeyCounter, usesSubspaceKeyCounter, recordCountKey, localFileDescriptor != null);
    for (RecordTypeBuilder recordTypeBuilder : recordTypes.values()) {
        KeyExpression primaryKey = recordTypeBuilder.getPrimaryKey();
        if (primaryKey != null) {
            builtRecordTypes.put(recordTypeBuilder.getName(), recordTypeBuilder.build(metaData));
            for (Index index : recordTypeBuilder.getIndexes()) {
                index.setPrimaryKeyComponentPositions(buildPrimaryKeyComponentPositions(index.getRootExpression(), primaryKey));
            }
        } else {
            throw new MetaDataException("Record type " + recordTypeBuilder.getName() + " must have a primary key");
        }
    }
    if (!syntheticRecordTypes.isEmpty()) {
        DescriptorProtos.FileDescriptorProto.Builder fileBuilder = DescriptorProtos.FileDescriptorProto.newBuilder();
        fileBuilder.setName("_synthetic");
        fileBuilder.addDependency(unionDescriptor.getFile().getName());
        syntheticRecordTypes.values().forEach(recordTypeBuilder -> recordTypeBuilder.buildDescriptor(fileBuilder));
        final Descriptors.FileDescriptor fileDescriptor;
        try {
            final Descriptors.FileDescriptor[] dependencies = new Descriptors.FileDescriptor[] { unionDescriptor.getFile() };
            fileDescriptor = Descriptors.FileDescriptor.buildFrom(fileBuilder.build(), dependencies);
        } catch (Descriptors.DescriptorValidationException ex) {
            throw new MetaDataException("Could not build synthesized file descriptor", ex);
        }
        for (SyntheticRecordTypeBuilder<?> recordTypeBuilder : syntheticRecordTypes.values()) {
            builtSyntheticRecordTypes.put(recordTypeBuilder.getName(), recordTypeBuilder.build(metaData, fileDescriptor));
        }
    }
    if (validate) {
        final MetaDataValidator validator = new MetaDataValidator(metaData, indexMaintainerRegistry);
        validator.validate();
    }
    return metaData;
}