com.datastax.dse.driver.api.core.graph.BatchGraphStatementBuilder Maven / Gradle / Ivy
/*
* 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;
import com.datastax.dse.driver.internal.core.graph.DefaultBatchGraphStatement;
import com.datastax.oss.driver.shaded.guava.common.collect.ImmutableList;
import edu.umd.cs.findbugs.annotations.NonNull;
import net.jcip.annotations.NotThreadSafe;
import org.apache.tinkerpop.gremlin.process.traversal.dsl.graph.GraphTraversal;
/**
* A builder to create a batch graph statement.
*
* This class is mutable and not thread-safe.
*/
@NotThreadSafe
public class BatchGraphStatementBuilder
extends GraphStatementBuilderBase {
private ImmutableList.Builder traversalsBuilder = ImmutableList.builder();
private int traversalsCount;
public BatchGraphStatementBuilder() {
// nothing to do
}
public BatchGraphStatementBuilder(BatchGraphStatement template) {
super(template);
traversalsBuilder.addAll(template);
traversalsCount = template.size();
}
/** Add a traversal to this builder to include in the generated {@link BatchGraphStatement}. */
@NonNull
public BatchGraphStatementBuilder addTraversal(@NonNull GraphTraversal traversal) {
traversalsBuilder.add(traversal);
traversalsCount += 1;
return this;
}
/**
* Add several traversals to this builder to include in the generated {@link BatchGraphStatement}.
*/
@NonNull
public BatchGraphStatementBuilder addTraversals(@NonNull Iterable traversals) {
for (GraphTraversal traversal : traversals) {
traversalsBuilder.add(traversal);
traversalsCount += 1;
}
return this;
}
/**
* Add several traversals to this builder to include in the generated {@link BatchGraphStatement}.
*/
@NonNull
public BatchGraphStatementBuilder addTraversals(@NonNull GraphTraversal... traversals) {
for (GraphTraversal traversal : traversals) {
traversalsBuilder.add(traversal);
traversalsCount += 1;
}
return this;
}
/** Clears all the traversals previously added to this builder. */
@NonNull
public BatchGraphStatementBuilder clearTraversals() {
traversalsBuilder = ImmutableList.builder();
traversalsCount = 0;
return this;
}
/** Returns the number of traversals added to this statement so far. */
public int getTraversalsCount() {
return traversalsCount;
}
@NonNull
@Override
public BatchGraphStatement build() {
return new DefaultBatchGraphStatement(
traversalsBuilder.build(),
isIdempotent,
timeout,
node,
timestamp,
executionProfile,
executionProfileName,
buildCustomPayload(),
graphName,
traversalSource,
subProtocol,
consistencyLevel,
readConsistencyLevel,
writeConsistencyLevel);
}
}