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.core.metadata.schema;
  
  import com.datastax.oss.driver.api.core.CqlIdentifier;
  import com.datastax.oss.driver.api.core.metadata.schema.FunctionMetadata;
  import com.datastax.oss.driver.api.core.metadata.schema.FunctionSignature;
  import com.datastax.oss.driver.api.core.type.DataType;
  import com.datastax.oss.driver.shaded.guava.common.base.Preconditions;
  import edu.umd.cs.findbugs.annotations.NonNull;
  import java.io.Serializable;
  import java.util.List;
  import java.util.Objects;
  import net.jcip.annotations.Immutable;
  
  @Immutable
  public class DefaultFunctionMetadata implements FunctionMetadata, Serializable {
  
    private static final long serialVersionUID = 1;
  
    @NonNull private final CqlIdentifier keyspace;
    @NonNull private final FunctionSignature signature;
    @NonNull private final List<CqlIdentifier> parameterNames;
    @NonNull private final String body;
    private final boolean calledOnNullInput;
    @NonNull private final String language;
    @NonNull private final DataType returnType;
  
    public DefaultFunctionMetadata(
        @NonNull CqlIdentifier keyspace,
        @NonNull FunctionSignature signature,
        @NonNull List<CqlIdentifier> parameterNames,
        @NonNull String body,
        boolean calledOnNullInput,
        @NonNull String language,
        @NonNull DataType returnType) {
      Preconditions.checkArgument(
          signature.getParameterTypes().size() == parameterNames.size(),
          "Number of parameter names should match number of types in the signature (got %s and %s)",
          parameterNames.size(),
          signature.getParameterTypes().size());
      this.keyspace = keyspace;
      this.signature = signature;
      this.parameterNames = parameterNames;
      this.body = body;
      this.calledOnNullInput = calledOnNullInput;
      this.language = language;
      this.returnType = returnType;
    }
  
    @NonNull
    @Override
    public CqlIdentifier getKeyspace() {
      return keyspace;
    }
  
    @NonNull
    @Override
    public FunctionSignature getSignature() {
      return signature;
    }
  
    @NonNull
    @Override
    public List<CqlIdentifier> getParameterNames() {
      return parameterNames;
    }
  
    @NonNull
    @Override
    public String getBody() {
      return body;
    }
  
    @Override
    public boolean isCalledOnNullInput() {
      return calledOnNullInput;
    }
  
    @NonNull
    @Override
    public String getLanguage() {
      return language;
    }
  
    @NonNull
    @Override
    public DataType getReturnType() {
      return returnType;
    }
  
    @Override
    public boolean equals(Object other) {
      if (other == this) {
        return true;
      } else if (other instanceof FunctionMetadata) {
        FunctionMetadata that = (FunctionMetadata) other;
        return Objects.equals(this.keyspace, that.getKeyspace())
            && Objects.equals(this.signature, that.getSignature())
            && Objects.equals(this.parameterNames, that.getParameterNames())
            && Objects.equals(this.body, that.getBody())
            && this.calledOnNullInput == that.isCalledOnNullInput()
            && Objects.equals(this.language, that.getLanguage())
            && Objects.equals(this.returnType, that.getReturnType());
      } else {
        return false;
      }
    }
  
    @Override
    public int hashCode() {
      return Objects.hash(
          keyspace, signature, parameterNames, body, calledOnNullInput, language, returnType);
    }
  
    @Override
    public String toString() {
      return "DefaultFunctionMetadata@"
          + Integer.toHexString(hashCode())
          + "("
          + keyspace.asInternal()
          + "."
          + signature
          + ")";
    }
  }
  