io.druid.query.lookup.LookupIntrospectHandler Maven / Gradle / Ivy

/*
 * Licensed to Metamarkets Group Inc. (Metamarkets) under one
 * or more contributor license agreements. See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership. Metamarkets licenses this file
 * to you 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.druid.query.lookup;


/**
 * This interface is empty because it only exists to signal intent. The actual http endpoints are provided
 * through JAX-RS annotations on the {@link LookupIntrospectHandler} objects.
 * Note that, if you decide to implement {@link LookupExtractorFactory#getIntrospectHandler()} as request scoped, therefore {@link LookupIntrospectHandler} should have as light of a footprint as possible.
 */
public interface LookupIntrospectHandler
{
}