Examples with ExternalTransformRegistrar org.apache.beam.sdk.expansion.ExternalTransformRegistrar used on opensource projects

Example 1 with ExternalTransformRegistrar

use of org.apache.beam.sdk.expansion.ExternalTransformRegistrar in project beam by apache.

the class ExternalSchemaIOTransformRegistrar method knownBuilderInstances.

@Override
public Map<String, ExternalTransformBuilder<?, ?, ?>> knownBuilderInstances() {
    ImmutableMap.Builder builder = ImmutableMap.<String, ExternalTransformRegistrar>builder();
    try {
        for (SchemaIOProvider schemaIOProvider : ServiceLoader.load(SchemaIOProvider.class)) {
            builder.put("beam:transform:org.apache.beam:schemaio_" + schemaIOProvider.identifier() + "_read:v1", new ReaderBuilder(schemaIOProvider));
            builder.put("beam:transform:org.apache.beam:schemaio_" + schemaIOProvider.identifier() + "_write:v1", new WriterBuilder(schemaIOProvider));
        }
    } catch (Exception e) {
        throw new RuntimeException(e.getMessage());
    }
    return builder.build();
}