com.amazonaws.services.elasticmapreduce.model.HadoopStepConfig Maven / Gradle / Ivy
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/*
* Copyright 2011-2016 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;
/**
*
* 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.
*
*/
public class HadoopStepConfig implements Serializable, Cloneable {
/**
*
* The path to the JAR file that runs during the step.
*
*/
private String jar;
/**
*
* 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.
*
*/
private com.amazonaws.internal.SdkInternalMap properties;
/**
*
* 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.
*
*/
private String mainClass;
/**
*
* The list of command line arguments to pass to the JAR file's main
* function for execution.
*
*/
private com.amazonaws.internal.SdkInternalList args;
/**
*
* The path to the JAR file that runs during the step.
*
*
* @param jar
* The path to the JAR file that runs during the step.
*/
public void setJar(String jar) {
this.jar = jar;
}
/**
*
* The path to the JAR file that runs during the step.
*
*
* @return The path to the JAR file that runs during the step.
*/
public String getJar() {
return this.jar;
}
/**
*
* The path to the JAR file that runs during the step.
*
*
* @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;
}
/**
*
* 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 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 getProperties() {
if (properties == null) {
properties = new com.amazonaws.internal.SdkInternalMap();
}
return 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.
*
*
* @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 properties) {
this.properties = properties == null ? null
: new com.amazonaws.internal.SdkInternalMap(
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.
*
*
* @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 properties) {
setProperties(properties);
return this;
}
public HadoopStepConfig addPropertiesEntry(String key, String value) {
if (null == this.properties) {
this.properties = new com.amazonaws.internal.SdkInternalMap();
}
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. <p> Returns a reference
* to this object so that method calls can be chained together.
*/
public HadoopStepConfig clearPropertiesEntries() {
this.properties = null;
return this;
}
/**
*
* 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.
*
*
* @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;
}
/**
*
* 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 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;
}
/**
*
* 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.
*
*
* @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;
}
/**
*
* The list of command line arguments to pass to the JAR file's main
* function for execution.
*
*
* @return The list of command line arguments to pass to the JAR file's main
* function for execution.
*/
public java.util.List getArgs() {
if (args == null) {
args = new com.amazonaws.internal.SdkInternalList();
}
return args;
}
/**
*
* The list of command line arguments to pass to the JAR file's main
* function for execution.
*
*
* @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 args) {
if (args == null) {
this.args = null;
return;
}
this.args = new com.amazonaws.internal.SdkInternalList(args);
}
/**
*
* The list of command line arguments to pass to the JAR file's main
* function for execution.
*
*
* NOTE: 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.
*
*
* @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(
args.length));
}
for (String ele : args) {
this.args.add(ele);
}
return this;
}
/**
*
* The list of command line arguments to pass to the JAR file's main
* function for execution.
*
*
* @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 args) {
setArgs(args);
return this;
}
/**
* Returns a string representation of this object; useful for testing and
* debugging.
*
* @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: " + getJar() + ",");
if (getProperties() != null)
sb.append("Properties: " + getProperties() + ",");
if (getMainClass() != null)
sb.append("MainClass: " + getMainClass() + ",");
if (getArgs() != null)
sb.append("Args: " + 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);
}
}
}