AvroDataConfig.java

/**
 * Copyright 2015 Confluent Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 **/

package io.confluent.connect.avro;

import java.util.HashMap;
import java.util.Map;

import io.confluent.common.config.AbstractConfig;
import io.confluent.common.config.ConfigDef;

public class AvroDataConfig extends AbstractConfig {

  public static final String ENHANCED_AVRO_SCHEMA_SUPPORT_CONFIG = "enhanced.avro.schema.support";
  public static final boolean ENHANCED_AVRO_SCHEMA_SUPPORT_DEFAULT = false;
  public static final String ENHANCED_AVRO_SCHEMA_SUPPORT_DOC =
      "Toggle for enabling/disabling enhanced avro schema support: Enum symbol preservation and "
      + "Package Name awareness";

  public static final String CONNECT_META_DATA_CONFIG = "connect.meta.data";
  public static final boolean CONNECT_META_DATA_DEFAULT = true;
  public static final String CONNECT_META_DATA_DOC =
      "Toggle for enabling/disabling connect converter to add its meta data to the output schema "
      + "or not";

  public static final String SCHEMAS_CACHE_SIZE_CONFIG = "schemas.cache.config";
  public static final int SCHEMAS_CACHE_SIZE_DEFAULT = 1000;
  public static final String SCHEMAS_CACHE_SIZE_DOC =
      "Size of the converted schemas cache";

  public static ConfigDef baseConfigDef() {
    return new ConfigDef()
        .define(ENHANCED_AVRO_SCHEMA_SUPPORT_CONFIG,
                ConfigDef.Type.BOOLEAN,
                ENHANCED_AVRO_SCHEMA_SUPPORT_DEFAULT,
                ConfigDef.Importance.MEDIUM,
                ENHANCED_AVRO_SCHEMA_SUPPORT_DOC)
        .define(CONNECT_META_DATA_CONFIG, ConfigDef.Type.BOOLEAN, CONNECT_META_DATA_DEFAULT,
                ConfigDef.Importance.LOW, CONNECT_META_DATA_DOC)
        .define(SCHEMAS_CACHE_SIZE_CONFIG, ConfigDef.Type.INT, SCHEMAS_CACHE_SIZE_DEFAULT,
                ConfigDef.Importance.LOW, SCHEMAS_CACHE_SIZE_DOC);
  }

  public AvroDataConfig(Map<?, ?> props) {
    super(baseConfigDef(), props);
  }

  public boolean isEnhancedAvroSchemaSupport() {
    return this.getBoolean(ENHANCED_AVRO_SCHEMA_SUPPORT_CONFIG);
  }

  public boolean isConnectMetaData() {
    return this.getBoolean(CONNECT_META_DATA_CONFIG);
  }

  public int getSchemasCacheSize() {
    return this.getInt(SCHEMAS_CACHE_SIZE_CONFIG);
  }


  public static class Builder {

    private Map<String, Object> props = new HashMap<>();

    public Builder with(String key, Object value) {
      props.put(key, value);
      return this;
    }

    public AvroDataConfig build() {
      return new AvroDataConfig(props);
    }
  }
}