Package com.amazonaws.services.elasticmapreduce.model

Class HadoopStepConfig

  • All Implemented Interfaces:
    Serializable, Cloneable
    public class HadoopStepConfig
extends Object
implements Serializable, Cloneable

    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.

    See Also:
    Serialized Form

    • Constructor Detail

      • HadoopStepConfig

        public HadoopStepConfig()

    • Method Detail

      • setJar

        public void setJar​(String jar)

        The path to the JAR file that runs during the step.

        Parameters:
        jar - The path to the JAR file that runs during the step.

      • getJar

        public String getJar()

        The path to the JAR file that runs during the step.

        Returns:
        The path to the JAR file that runs during the step.

      • withJar

        public HadoopStepConfig withJar​(String jar)

        The path to the JAR file that runs during the step.

        Parameters:
        jar - The path to the JAR file that runs during the step.
        Returns:
        Returns a reference to this object so that method calls can be chained together.

      • getProperties

        public Map<String,​String> getProperties()

        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.

        Returns:
        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.

      • setProperties

        public void setProperties​(Map<String,​String> 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.

        Parameters:
        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.

      • withProperties

        public HadoopStepConfig withProperties​(Map<String,​String> 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.

        Parameters:
        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.
        Returns:
        Returns a reference to this object so that method calls can be chained together.

      • clearPropertiesEntries

        public HadoopStepConfig clearPropertiesEntries()
        Removes all the entries added into Properties. <p> Returns a reference to this object so that method calls can be chained together.

      • setMainClass

        public void setMainClass​(String 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.

        Parameters:
        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.

      • getMainClass

        public String getMainClass()

        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.

        Returns:
        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.

      • withMainClass

        public HadoopStepConfig withMainClass​(String 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.

        Parameters:
        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.
        Returns:
        Returns a reference to this object so that method calls can be chained together.

      • getArgs

        public List<String> getArgs()

        The list of command line arguments to pass to the JAR file's main function for execution.

        Returns:
        The list of command line arguments to pass to the JAR file's main function for execution.

      • setArgs

        public void setArgs​(Collection<String> args)

        The list of command line arguments to pass to the JAR file's main function for execution.

        Parameters:
        args - The list of command line arguments to pass to the JAR file's main function for execution.

      • withArgs

        public HadoopStepConfig withArgs​(String... 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 setArgs(java.util.Collection) or withArgs(java.util.Collection) if you want to override the existing values.

        Parameters:
        args - The list of command line arguments to pass to the JAR file's main function for execution.
        Returns:
        Returns a reference to this object so that method calls can be chained together.

      • withArgs

        public HadoopStepConfig withArgs​(Collection<String> args)

        The list of command line arguments to pass to the JAR file's main function for execution.

        Parameters:
        args - The list of command line arguments to pass to the JAR file's main function for execution.
        Returns:
        Returns a reference to this object so that method calls can be chained together.

      • toString

        public String toString()
        Returns a string representation of this object; useful for testing and debugging.
        Overrides:
        toString in class Object
        Returns:
        A string representation of this object.
        See Also:
        Object.toString()

      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class Object