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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF 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 com.datastax.dse.driver.api.core.graph.reactive;
import com.datastax.dse.driver.api.core.graph.GraphStatement;
import com.datastax.dse.driver.internal.core.graph.reactive.ReactiveGraphRequestProcessor;
import com.datastax.oss.driver.api.core.session.Session;
import edu.umd.cs.findbugs.annotations.NonNull;
import java.util.Objects;
/**
* A {@link Session} that offers utility methods to issue graph queries using reactive-style
* programming.
*/
public interface ReactiveGraphSession extends Session {
/**
* Returns a {@link ReactiveGraphResultSet} that, once subscribed to, executes the given query and
* emits all the results.
*
* See the javadocs of {@link ReactiveGraphResultSet} for important remarks anc caveats
* regarding the subscription to and consumption of reactive graph result sets.
*
* @param statement the statement to execute.
* @return The {@link ReactiveGraphResultSet} that will publish the returned results.
* @see ReactiveGraphResultSet
* @see ReactiveGraphNode
*/
@NonNull
default ReactiveGraphResultSet executeReactive(@NonNull GraphStatement statement) {
return Objects.requireNonNull(
execute(statement, ReactiveGraphRequestProcessor.REACTIVE_GRAPH_RESULT_SET));
}
}