content: /*
   * 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.oss.driver.api.core.ConsistencyLevel;
  import com.datastax.oss.driver.api.core.config.DriverExecutionProfile;
  import com.datastax.oss.driver.api.core.cql.Statement;
  import com.datastax.oss.driver.api.core.metadata.Node;
  import com.datastax.oss.protocol.internal.util.collection.NullAllowingImmutableMap;
  import edu.umd.cs.findbugs.annotations.NonNull;
  import edu.umd.cs.findbugs.annotations.Nullable;
  import java.nio.ByteBuffer;
  import java.time.Duration;
  import java.util.Map;
  import net.jcip.annotations.NotThreadSafe;
  
  @NotThreadSafe
  public abstract class GraphStatementBuilderBase<
      SelfT extends GraphStatementBuilderBase<SelfT, StatementT>,
      StatementT extends GraphStatement<StatementT>> {
  
    @SuppressWarnings({"unchecked"})
    private final SelfT self = (SelfT) this;
  
    protected Boolean isIdempotent;
    protected Duration timeout;
    protected Node node;
    protected long timestamp = Statement.NO_DEFAULT_TIMESTAMP;
    protected DriverExecutionProfile executionProfile;
    protected String executionProfileName;
    private NullAllowingImmutableMap.Builder<String, ByteBuffer> customPayloadBuilder;
    protected String graphName;
    protected String traversalSource;
    protected String subProtocol;
    protected ConsistencyLevel consistencyLevel;
    protected ConsistencyLevel readConsistencyLevel;
    protected ConsistencyLevel writeConsistencyLevel;
  
    protected GraphStatementBuilderBase() {
      // nothing to do
    }
  
    protected GraphStatementBuilderBase(StatementT template) {
      this.isIdempotent = template.isIdempotent();
      this.timeout = template.getTimeout();
      this.node = template.getNode();
      this.timestamp = template.getTimestamp();
      this.executionProfile = template.getExecutionProfile();
      this.executionProfileName = template.getExecutionProfileName();
      if (!template.getCustomPayload().isEmpty()) {
        this.customPayloadBuilder =
            NullAllowingImmutableMap.<String, ByteBuffer>builder()
                .putAll(template.getCustomPayload());
      }
      this.graphName = template.getGraphName();
      this.traversalSource = template.getTraversalSource();
      this.subProtocol = template.getSubProtocol();
      this.consistencyLevel = template.getConsistencyLevel();
      this.readConsistencyLevel = template.getReadConsistencyLevel();
      this.writeConsistencyLevel = template.getWriteConsistencyLevel();
    }
  
    /** @see GraphStatement#setIdempotent(Boolean) */
    @NonNull
    public SelfT setIdempotence(@Nullable Boolean idempotent) {
      this.isIdempotent = idempotent;
      return self;
    }
  
    /** @see GraphStatement#setTimeout(Duration) */
    @NonNull
    public SelfT setTimeout(@Nullable Duration timeout) {
      this.timeout = timeout;
      return self;
    }
  
    /** @see GraphStatement#setNode(Node) */
    @NonNull
    public SelfT setNode(@Nullable Node node) {
      this.node = node;
      return self;
    }
  
    /** @see GraphStatement#setTimestamp(long) */
    @NonNull
    public SelfT setTimestamp(long timestamp) {
      this.timestamp = timestamp;
      return self;
    }
  
    /** @see GraphStatement#setExecutionProfileName(String) */
    @NonNull
    public SelfT setExecutionProfileName(@Nullable String executionProfileName) {
      this.executionProfileName = executionProfileName;
      return self;
    }
  
    /** @see GraphStatement#setExecutionProfile(DriverExecutionProfile) */
    @NonNull
    public SelfT setExecutionProfile(@Nullable DriverExecutionProfile executionProfile) {
      this.executionProfile = executionProfile;
      this.executionProfileName = null;
      return self;
    }
  
    /** @see GraphStatement#setCustomPayload(Map) */
    @NonNull
    public SelfT addCustomPayload(@NonNull String key, @Nullable ByteBuffer value) {
      if (customPayloadBuilder == null) {
        customPayloadBuilder = NullAllowingImmutableMap.builder();
      }
      customPayloadBuilder.put(key, value);
      return self;
    }
  
    /** @see GraphStatement#setCustomPayload(Map) */
    @NonNull
    public SelfT clearCustomPayload() {
      customPayloadBuilder = null;
      return self;
    }
  
    /** @see GraphStatement#setGraphName(String) */
    @NonNull
    public SelfT setGraphName(@Nullable String graphName) {
      this.graphName = graphName;
      return self;
    }
  
    /** @see GraphStatement#setTraversalSource(String) */
    @NonNull
    public SelfT setTraversalSource(@Nullable String traversalSource) {
      this.traversalSource = traversalSource;
      return self;
    }
  
    /** @see GraphStatement#setSubProtocol(String) */
    @NonNull
    public SelfT setSubProtocol(@Nullable String subProtocol) {
      this.subProtocol = subProtocol;
      return self;
    }
  
    /** @see GraphStatement#setConsistencyLevel(ConsistencyLevel) */
    @NonNull
    public SelfT setConsistencyLevel(@Nullable ConsistencyLevel consistencyLevel) {
      this.consistencyLevel = consistencyLevel;
      return self;
    }
  
    /** @see GraphStatement#setReadConsistencyLevel(ConsistencyLevel) */
    @NonNull
    public SelfT setReadConsistencyLevel(@Nullable ConsistencyLevel readConsistencyLevel) {
      this.readConsistencyLevel = readConsistencyLevel;
      return self;
    }
  
    /** @see GraphStatement#setWriteConsistencyLevel(ConsistencyLevel) */
    @NonNull
    public SelfT setWriteConsistencyLevel(@Nullable ConsistencyLevel writeConsistencyLevel) {
      this.writeConsistencyLevel = writeConsistencyLevel;
      return self;
    }
  
    @NonNull
    protected Map<String, ByteBuffer> buildCustomPayload() {
      return (customPayloadBuilder == null)
          ? NullAllowingImmutableMap.of()
          : customPayloadBuilder.build();
    }
  
    /** Create the statement with the configuration defined by this builder object. */
    @NonNull
    public abstract StatementT build();
  }
  