[ 
https://issues.apache.org/jira/browse/TWILL-195?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15549812#comment-15549812
 ] 

ASF GitHub Bot commented on TWILL-195:
--------------------------------------

Github user chtyim commented on a diff in the pull request:

    https://github.com/apache/twill/pull/13#discussion_r82059853
  
    --- Diff: 
twill-core/src/main/java/org/apache/twill/internal/TwillRuntimeSpecification.java
 ---
    @@ -0,0 +1,94 @@
    +/*
    + * 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.twill.internal;
    +
    +import org.apache.twill.api.RunId;
    +import org.apache.twill.api.TwillApplication;
    +import org.apache.twill.api.TwillSpecification;
    +import org.apache.twill.api.logging.LogEntry;
    +
    +import java.net.URI;
    +import javax.annotation.Nullable;
    +
    +/**
    + * Represents runtime specification of a {@link TwillApplication}.
    + */
    +public class TwillRuntimeSpecification {
    +
    +  private final TwillSpecification twillSpecification;
    +
    +  private final String fsUser;
    +  private final URI twillAppDir;
    +  private final String zkConnectStr;
    +  private final RunId twillRunId;
    +  private final String twillAppName;
    +  private final int reservedMemory;
    +  private final String rmSchedulerAddr;
    +  private final LogEntry.Level logLevel;
    +
    +  public TwillRuntimeSpecification(TwillSpecification twillSpecification, 
@Nullable String fsUser, URI twillAppDir,
    +                                   String zkConnectStr, RunId twillRunId, 
String twillAppName,
    +                                   int reservedMemory, @Nullable String 
rmSchedulerAddr,
    +                                   @Nullable LogEntry.Level logLevel) {
    +    this.twillSpecification = twillSpecification;
    +    this.fsUser = fsUser;
    +    this.twillAppDir = twillAppDir;
    +    this.zkConnectStr = zkConnectStr;
    +    this.twillRunId = twillRunId;
    +    this.twillAppName = twillAppName;
    +    this.reservedMemory = reservedMemory;
    +    this.rmSchedulerAddr = rmSchedulerAddr;
    +    this.logLevel = logLevel;
    +  }
    +
    +  public TwillSpecification getTwillSpecification() {
    +    return twillSpecification;
    +  }
    +
    +  public String getFsUser() {
    +    return fsUser;
    +  }
    +
    +  public URI getTwillAppDir() {
    +    return twillAppDir;
    +  }
    +
    +  public String getZkConnectStr() {
    +    return zkConnectStr;
    +  }
    +
    +  public RunId getTwillRunId() {
    +    return twillRunId;
    +  }
    +
    +  public String getTwillAppName() {
    +    return twillAppName;
    +  }
    +
    +  public int getReservedMemory() {
    +    return reservedMemory;
    +  }
    +
    +  public String getRmSchedulerAddr() {
    --- End diff --
    
    For those that can be null, annotate the method with `@Nullable` as well.


> Add TwillRuntimeSpecification for twill application
> ---------------------------------------------------
>
>                 Key: TWILL-195
>                 URL: https://issues.apache.org/jira/browse/TWILL-195
>             Project: Apache Twill
>          Issue Type: Improvement
>          Components: core
>            Reporter: Yaojie Feng
>
> Now we have RuntimeSpecification for twill runnable. We should also have a 
> TwillRuntimeSpecification to pass runtime requirements for twill applications.



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