/*
* Copyright DataStax, 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 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.
/**
* A builder to create a batch graph statement.
*
* <p>This class is mutable and not thread-safe.
*/
@NotThreadSafe
public class BatchGraphStatementBuilder
extends GraphStatementBuilderBase<BatchGraphStatementBuilder, BatchGraphStatement> {
private ImmutableList.Builder<GraphTraversal> 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 BatchGraphStatement
. /** 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 BatchGraphStatement
. /**
* Add several traversals to this builder to include in the generated {@link BatchGraphStatement}.
*/
@NonNull
public BatchGraphStatementBuilder addTraversals(@NonNull Iterable<GraphTraversal> traversals) {
for (GraphTraversal traversal : traversals) {
traversalsBuilder.add(traversal);
traversalsCount += 1;
}
return this;
}
Add several traversals to this builder to include in the generated BatchGraphStatement
. /**
* 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. /** 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. /** 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);
}
}