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.dse.driver.internal.core.graph.DefaultScriptGraphStatement;
  import com.datastax.oss.driver.shaded.guava.common.base.Preconditions;
  import com.datastax.oss.driver.shaded.guava.common.collect.Maps;
  import edu.umd.cs.findbugs.annotations.NonNull;
  import edu.umd.cs.findbugs.annotations.Nullable;
  import java.util.Map;
  import net.jcip.annotations.NotThreadSafe;
  
  /**
   * A builder to create a script graph statement.
   *
   * <p>This class is mutable and not thread-safe.
   */
  @NotThreadSafe
  public class ScriptGraphStatementBuilder
      extends GraphStatementBuilderBase<ScriptGraphStatementBuilder, ScriptGraphStatement> {
  
    private String script;
    private Boolean isSystemQuery;
    private final Map<String, Object> queryParams;
  
    public ScriptGraphStatementBuilder() {
      this.queryParams = Maps.newHashMap();
    }
  
    public ScriptGraphStatementBuilder(String script) {
      this.script = script;
      this.queryParams = Maps.newHashMap();
    }
  
    public ScriptGraphStatementBuilder(ScriptGraphStatement template) {
      super(template);
      this.script = template.getScript();
      this.queryParams = Maps.newHashMap(template.getQueryParams());
      this.isSystemQuery = template.isSystemQuery();
    }
  
    @NonNull
    public ScriptGraphStatementBuilder setScript(@NonNull String script) {
      this.script = script;
      return this;
    }
  
    /** @see ScriptGraphStatement#isSystemQuery() */
    @NonNull
    public ScriptGraphStatementBuilder setSystemQuery(@Nullable Boolean isSystemQuery) {
      this.isSystemQuery = isSystemQuery;
      return this;
    }
  
    /**
     * Set a value for a parameter defined in the script query.
     *
     * @see ScriptGraphStatement#setQueryParam(String, Object)
     */
    @NonNull
    public ScriptGraphStatementBuilder setQueryParam(@NonNull String name, @Nullable Object value) {
      this.queryParams.put(name, value);
      return this;
    }
  
    /**
     * Set multiple values for named parameters defined in the script query.
     *
     * @see ScriptGraphStatement#setQueryParam(String, Object)
     */
    @NonNull
    public ScriptGraphStatementBuilder setQueryParams(@NonNull Map<String, Object> params) {
      this.queryParams.putAll(params);
      return this;
    }
  
    /**
     * Removes a parameter.
     *
     * <p>This is useful if the builder was {@linkplain
     * ScriptGraphStatement#builder(ScriptGraphStatement) initialized with a template statement} that
     * has more parameters than desired.
     *
     * @see ScriptGraphStatement#setQueryParam(String, Object)
     * @see #clearQueryParams()
     */
    @NonNull
    public ScriptGraphStatementBuilder removeQueryParam(@NonNull String name) {
      this.queryParams.remove(name);
      return this;
    }
  
    /** Clears all the parameters previously added to this builder. */
    public ScriptGraphStatementBuilder clearQueryParams() {
      this.queryParams.clear();
      return this;
    }
  
    @NonNull
    @Override
    public ScriptGraphStatement build() {
      Preconditions.checkNotNull(this.script, "Script hasn't been defined in this builder.");
      return new DefaultScriptGraphStatement(
          this.script,
          this.queryParams,
          this.isSystemQuery,
          isIdempotent,
          timeout,
          node,
          timestamp,
          executionProfile,
          executionProfileName,
          buildCustomPayload(),
          graphName,
          traversalSource,
          subProtocol,
          consistencyLevel,
          readConsistencyLevel,
          writeConsistencyLevel);
    }
  }
  