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.oss.driver.internal.querybuilder.term;
  
  import com.datastax.oss.driver.api.core.CqlIdentifier;
  import com.datastax.oss.driver.api.querybuilder.term.Term;
  import com.datastax.oss.driver.internal.querybuilder.CqlHelper;
  import com.datastax.oss.driver.shaded.guava.common.base.Preconditions;
  import edu.umd.cs.findbugs.annotations.NonNull;
  import edu.umd.cs.findbugs.annotations.Nullable;
  import net.jcip.annotations.Immutable;
  
  @Immutable
  public class FunctionTerm implements Term {
  
    private final CqlIdentifier keyspaceId;
    private final CqlIdentifier functionId;
    private final Iterable<Term> arguments;
  
    public FunctionTerm(
        @Nullable CqlIdentifier keyspaceId,
        @NonNull CqlIdentifier functionId,
        @NonNull Iterable<Term> arguments) {
      Preconditions.checkNotNull(functionId);
      Preconditions.checkNotNull(arguments);
      this.keyspaceId = keyspaceId;
      this.functionId = functionId;
      this.arguments = arguments;
    }
  
    @Override
    public void appendTo(@NonNull StringBuilder builder) {
      // The function name appears even without arguments, so don't use prefix/suffix in CqlHelper
      CqlHelper.qualify(keyspaceId, functionId, builder);
      builder.append('(');
      CqlHelper.append(arguments, builder, null, ",", null);
      builder.append(')');
    }
  
    @Override
    public boolean isIdempotent() {
      return false;
    }
  
    @Nullable
    public CqlIdentifier getKeyspaceId() {
      return keyspaceId;
    }
  
    @NonNull
    public CqlIdentifier getFunctionId() {
      return functionId;
    }
  
    @NonNull
    public Iterable<Term> getArguments() {
      return arguments;
    }
  }
  