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.elasticmapreduce.model; import java.io.Serializable; import javax.annotation.Generated; import com.amazonaws.protocol.StructuredPojo; import com.amazonaws.protocol.ProtocolMarshaller; /** * <p> * A cluster step consisting of a JAR file whose main function will be executed. The main function submits a job for * Hadoop to execute and waits for the job to finish or fail. * </p> * * @see <a href="http://docs.aws.amazon.com/goto/WebAPI/elasticmapreduce-2009-03-31/HadoopStepConfig" target="_top">AWS * API Documentation</a> */ @Generated("com.amazonaws:aws-java-sdk-code-generator") public class HadoopStepConfig implements Serializable, Cloneable, StructuredPojo { /** * <p> * The path to the JAR file that runs during the step. * </p> */ private String jar; /** * <p> * The list of Java properties that are set when the step runs. You can use these properties to pass key value pairs * to your main function. * </p> */ private com.amazonaws.internal.SdkInternalMap<String, String> properties; /** * <p> * The name of the main class in the specified Java file. If not specified, the JAR file should specify a main class * in its manifest file. * </p> */ private String mainClass; /** * <p> * The list of command line arguments to pass to the JAR file's main function for execution. * </p> */ private com.amazonaws.internal.SdkInternalList<String> args; /** * <p> * The path to the JAR file that runs during the step. * </p> * * @param jar * The path to the JAR file that runs during the step. */ public void setJar(String jar) { this.jar = jar; } /** * <p> * The path to the JAR file that runs during the step. * </p> * * @return The path to the JAR file that runs during the step. */ public String getJar() { return this.jar; } /** * <p> * The path to the JAR file that runs during the step. * </p> * * @param jar * The path to the JAR file that runs during the step. * @return Returns a reference to this object so that method calls can be chained together. */ public HadoopStepConfig withJar(String jar) { setJar(jar); return this; } /** * <p> * The list of Java properties that are set when the step runs. You can use these properties to pass key value pairs * to your main function. * </p> * * @return The list of Java properties that are set when the step runs. You can use these properties to pass key * value pairs to your main function. */ public java.util.Map<String, String> getProperties() { if (properties == null) { properties = new com.amazonaws.internal.SdkInternalMap<String, String>(); } return properties; } /** * <p> * The list of Java properties that are set when the step runs. You can use these properties to pass key value pairs * to your main function. * </p> * * @param properties * The list of Java properties that are set when the step runs. You can use these properties to pass key * value pairs to your main function. */ public void setProperties(java.util.Map<String, String> properties) { this.properties = properties == null ? null : new com.amazonaws.internal.SdkInternalMap<String, String>(properties); } /** * <p> * The list of Java properties that are set when the step runs. You can use these properties to pass key value pairs * to your main function. * </p> * * @param properties * The list of Java properties that are set when the step runs. You can use these properties to pass key * value pairs to your main function. * @return Returns a reference to this object so that method calls can be chained together. */ public HadoopStepConfig withProperties(java.util.Map<String, String> properties) { setProperties(properties); return this; } public HadoopStepConfig addPropertiesEntry(String key, String value) { if (null == this.properties) { this.properties = new com.amazonaws.internal.SdkInternalMap<String, String>(); } if (this.properties.containsKey(key)) throw new IllegalArgumentException("Duplicated keys (" + key.toString() + ") are provided."); this.properties.put(key, value); return this; } /** * Removes all the entries added into Properties. * * @return Returns a reference to this object so that method calls can be chained together. */ public HadoopStepConfig clearPropertiesEntries() { this.properties = null; return this; } /** * <p> * The name of the main class in the specified Java file. If not specified, the JAR file should specify a main class * in its manifest file. * </p> * * @param mainClass * The name of the main class in the specified Java file. If not specified, the JAR file should specify a * main class in its manifest file. */ public void setMainClass(String mainClass) { this.mainClass = mainClass; } /** * <p> * The name of the main class in the specified Java file. If not specified, the JAR file should specify a main class * in its manifest file. * </p> * * @return The name of the main class in the specified Java file. If not specified, the JAR file should specify a * main class in its manifest file. */ public String getMainClass() { return this.mainClass; } /** * <p> * The name of the main class in the specified Java file. If not specified, the JAR file should specify a main class * in its manifest file. * </p> * * @param mainClass * The name of the main class in the specified Java file. If not specified, the JAR file should specify a * main class in its manifest file. * @return Returns a reference to this object so that method calls can be chained together. */ public HadoopStepConfig withMainClass(String mainClass) { setMainClass(mainClass); return this; } /** * <p> * The list of command line arguments to pass to the JAR file's main function for execution. * </p> * * @return The list of command line arguments to pass to the JAR file's main function for execution. */ public java.util.List<String> getArgs() { if (args == null) { args = new com.amazonaws.internal.SdkInternalList<String>(); } return args; } /** * <p> * The list of command line arguments to pass to the JAR file's main function for execution. * </p> * * @param args * The list of command line arguments to pass to the JAR file's main function for execution. */ public void setArgs(java.util.Collection<String> args) { if (args == null) { this.args = null; return; } this.args = new com.amazonaws.internal.SdkInternalList<String>(args); } /** * <p> * The list of command line arguments to pass to the JAR file's main function for execution. * </p> * <p> * <b>NOTE:</b> This method appends the values to the existing list (if any). Use * {@link #setArgs(java.util.Collection)} or {@link #withArgs(java.util.Collection)} if you want to override the * existing values. * </p> * * @param args * The list of command line arguments to pass to the JAR file's main function for execution. * @return Returns a reference to this object so that method calls can be chained together. */ public HadoopStepConfig withArgs(String... args) { if (this.args == null) { setArgs(new com.amazonaws.internal.SdkInternalList<String>(args.length)); } for (String ele : args) { this.args.add(ele); } return this; } /** * <p> * The list of command line arguments to pass to the JAR file's main function for execution. * </p> * * @param args * The list of command line arguments to pass to the JAR file's main function for execution. * @return Returns a reference to this object so that method calls can be chained together. */ public HadoopStepConfig withArgs(java.util.Collection<String> args) { setArgs(args); 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 (getJar() != null) sb.append("Jar: ").append(getJar()).append(","); if (getProperties() != null) sb.append("Properties: ").append(getProperties()).append(","); if (getMainClass() != null) sb.append("MainClass: ").append(getMainClass()).append(","); if (getArgs() != null) sb.append("Args: ").append(getArgs()); sb.append("}"); return sb.toString(); } @Override public boolean equals(Object obj) { if (this == obj) return true; if (obj == null) return false; if (obj instanceof HadoopStepConfig == false) return false; HadoopStepConfig other = (HadoopStepConfig) obj; if (other.getJar() == null ^ this.getJar() == null) return false; if (other.getJar() != null && other.getJar().equals(this.getJar()) == false) return false; if (other.getProperties() == null ^ this.getProperties() == null) return false; if (other.getProperties() != null && other.getProperties().equals(this.getProperties()) == false) return false; if (other.getMainClass() == null ^ this.getMainClass() == null) return false; if (other.getMainClass() != null && other.getMainClass().equals(this.getMainClass()) == false) return false; if (other.getArgs() == null ^ this.getArgs() == null) return false; if (other.getArgs() != null && other.getArgs().equals(this.getArgs()) == false) return false; return true; } @Override public int hashCode() { final int prime = 31; int hashCode = 1; hashCode = prime * hashCode + ((getJar() == null) ? 0 : getJar().hashCode()); hashCode = prime * hashCode + ((getProperties() == null) ? 0 : getProperties().hashCode()); hashCode = prime * hashCode + ((getMainClass() == null) ? 0 : getMainClass().hashCode()); hashCode = prime * hashCode + ((getArgs() == null) ? 0 : getArgs().hashCode()); return hashCode; } @Override public HadoopStepConfig clone() { try { return (HadoopStepConfig) 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.elasticmapreduce.model.transform.HadoopStepConfigMarshaller.getInstance() .marshall(this, protocolMarshaller); } }