Java tutorial
/* * Copyright 2014-2019 Amazon.com, Inc. or its affiliates. All Rights Reserved. * * Licensed under the Apache License, Version 2.0 (the "License"). You may not use this file except in compliance with * the License. A copy of the License is located at * * http://aws.amazon.com/apache2.0 * * or in the "license" file accompanying this file. This file 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.amazonaws.services.athena.model; import java.io.Serializable; import javax.annotation.Generated; import com.amazonaws.protocol.StructuredPojo; import com.amazonaws.protocol.ProtocolMarshaller; /** * <p> * The metadata and rows that comprise a query result set. The metadata describes the column structure and data types. * </p> * * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/athena-2017-05-18/ResultSet" target="_top">AWS API * Documentation</a> */ @Generated("com.amazonaws:aws-java-sdk-code-generator") public class ResultSet implements Serializable, Cloneable, StructuredPojo { /** * <p> * The rows in the table. * </p> */ private java.util.List<Row> rows; /** * <p> * The metadata that describes the column structure and data types of a table of query results. * </p> */ private ResultSetMetadata resultSetMetadata; /** * <p> * The rows in the table. * </p> * * @return The rows in the table. */ public java.util.List<Row> getRows() { return rows; } /** * <p> * The rows in the table. * </p> * * @param rows * The rows in the table. */ public void setRows(java.util.Collection<Row> rows) { if (rows == null) { this.rows = null; return; } this.rows = new java.util.ArrayList<Row>(rows); } /** * <p> * The rows in the table. * </p> * <p> * <b>NOTE:</b> This method appends the values to the existing list (if any). Use * {@link #setRows(java.util.Collection)} or {@link #withRows(java.util.Collection)} if you want to override the * existing values. * </p> * * @param rows * The rows in the table. * @return Returns a reference to this object so that method calls can be chained together. */ public ResultSet withRows(Row... rows) { if (this.rows == null) { setRows(new java.util.ArrayList<Row>(rows.length)); } for (Row ele : rows) { this.rows.add(ele); } return this; } /** * <p> * The rows in the table. * </p> * * @param rows * The rows in the table. * @return Returns a reference to this object so that method calls can be chained together. */ public ResultSet withRows(java.util.Collection<Row> rows) { setRows(rows); return this; } /** * <p> * The metadata that describes the column structure and data types of a table of query results. * </p> * * @param resultSetMetadata * The metadata that describes the column structure and data types of a table of query results. */ public void setResultSetMetadata(ResultSetMetadata resultSetMetadata) { this.resultSetMetadata = resultSetMetadata; } /** * <p> * The metadata that describes the column structure and data types of a table of query results. * </p> * * @return The metadata that describes the column structure and data types of a table of query results. */ public ResultSetMetadata getResultSetMetadata() { return this.resultSetMetadata; } /** * <p> * The metadata that describes the column structure and data types of a table of query results. * </p> * * @param resultSetMetadata * The metadata that describes the column structure and data types of a table of query results. * @return Returns a reference to this object so that method calls can be chained together. */ public ResultSet withResultSetMetadata(ResultSetMetadata resultSetMetadata) { setResultSetMetadata(resultSetMetadata); return this; } /** * Returns a string representation of this object. This is useful for testing and debugging. Sensitive data will be * redacted from this string using a placeholder value. * * @return A string representation of this object. * * @see java.lang.Object#toString() */ @Override public String toString() { StringBuilder sb = new StringBuilder(); sb.append("{"); if (getRows() != null) sb.append("Rows: ").append(getRows()).append(","); if (getResultSetMetadata() != null) sb.append("ResultSetMetadata: ").append(getResultSetMetadata()); sb.append("}"); return sb.toString(); } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (obj instanceof ResultSet == false) return false; ResultSet other = (ResultSet) obj; if (other.getRows() == null ^ this.getRows() == null) return false; if (other.getRows() != null && other.getRows().equals(this.getRows()) == false) return false; if (other.getResultSetMetadata() == null ^ this.getResultSetMetadata() == null) return false; if (other.getResultSetMetadata() != null && other.getResultSetMetadata().equals(this.getResultSetMetadata()) == false) return false; return true; } @Override public int hashCode() { final int prime = 31; int hashCode = 1; hashCode = prime * hashCode + ((getRows() == null) ? 0 : getRows().hashCode()); hashCode = prime * hashCode + ((getResultSetMetadata() == null) ? 0 : getResultSetMetadata().hashCode()); return hashCode; } @Override public ResultSet clone() { try { return (ResultSet) super.clone(); } catch (CloneNotSupportedException e) { throw new IllegalStateException( "Got a CloneNotSupportedException from Object.clone() " + "even though we're Cloneable!", e); } } @com.amazonaws.annotation.SdkInternalApi @Override public void marshall(ProtocolMarshaller protocolMarshaller) { com.amazonaws.services.athena.model.transform.ResultSetMarshaller.getInstance().marshall(this, protocolMarshaller); } }