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 org.apache.beam.sdk.extensions.sql.impl.cep;
  
  import java.io.Serializable;
  import org.apache.beam.sdk.schemas.Schema;
  
  /**
   * The {@code CEPMeasure} class represents the Measures clause and contains information about output
   * columns.
   */
  public class CEPMeasure implements Serializable {
  
    private final String outTableName;
    private final CEPOperation opr;
    private final CEPFieldRef fieldRef;
    private final Schema.FieldType fieldType;
  
    public CEPMeasure(Schema streamSchema, String outTableName, CEPOperation opr) {
      this.outTableName = outTableName;
      this.opr = opr;
      this.fieldRef = CEPUtils.getFieldRef(opr);
      this.fieldType = CEPUtils.getFieldType(streamSchema, opr);
    }
  
    // return the out column name
    public String getName() {
      return outTableName;
    }
  
    public CEPOperation getOperation() {
      return opr;
    }
  
    public CEPFieldRef getField() {
      return fieldRef;
    }
  
    public Schema.FieldType getType() {
      return fieldType;
    }
  }
  