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SPL(Structured Process Language) A programming language specially for structured data computing.
package com.scudata.parallel;
import java.io.Serializable;
import java.util.HashMap;
public class UnitCommand implements Serializable {
private static final long serialVersionUID = 559160970976735495L;
//public static final int GET_UNITS = 0; // ȡ?ֻ??????н???
public static final int CREATE_GT = 1; // ??????Ⱥ???
public static final int GET_TABLEMETADATA = 2; // ?ڷֻ??ϴ???????Զ?̴???
public static final int GET_GT_DISTRIBUTE = 3; // ȡ????ֲ?
public static final int CLOSE_GT = 4; // ?رռ?Ⱥ???
public static final int OPEN_GT = 5; // ??Ⱥ???
public static final int LIST_FILE_PARTS = 6; // ?г??ڵ????????Щ?ֱ??ļ?
public static final int MEMORY_GT = 10; // ?ڴ滯???
public static final int MEMORY_CLUSTERCURSOR = 11; // ?ڴ滯??Ⱥ?α?
public static final int MEMORY_TABLE = 12; // ??Զ???????ɼ?Ⱥ?ڱ?
public static final int CREATE_MT_INDEX = 13; // Զ???ڱ???????
public static final int GET_MT_ROW = 14; // ?????ڱ???¼
public static final int DUP_CLUSTER_MT = 15; // ????Ⱥ?ڱ?Tƴ?ɱ????ڱ?
public static final int DUP_LOCAL_MT = 16; // ?ѱ????ڱ????Ƴɼ?Ⱥ??д?ڱ?
public static final int GET_MT_ROWS = 17; // ȡ?????ڱ???¼
public static final int MT_ADD_OPERATION = 18; // Ϊ??Ⱥ?ڱ?????????switch
public static final int CLOSE_MT = 19; // ?ͷż?Ⱥ?ڱ?
public static final int CREATE_BINARY_CURSOR = 20; //????Զ?̼??ļ??α?
public static final int CREATE_GT_CURSOR = 21; // ????Զ?̸????α꣬?Ǹ?д??ʱseg=-1
public static final int CREATE_SYNC_GT_CURSOR = 22; // ????ͬ???ֶμ?Ⱥ?α?
public static final int CREATE_GT_ICURSOR = 23; // ?????????α?
public static final int CREATE_MT_CURSOR = 24; // ?ɼ?Ⱥ?ڱ???????Ⱥ?α?
public static final int CURSOR_ADD_OPERATION = 30; // Ϊ?α긽??????
public static final int CURSOR_FETCH = 31; // ?α?ȡ??
public static final int CURSOR_SKIP = 32; // ?α?????????
public static final int CURSOR_CLOSE = 33;
public static final int CURSOR_GET_MINVALUES = 34;
public static final int CURSOR_TO_REMOTE = 35; // ?Ѽ?Ⱥ?α??ɶ??Զ???α?
public static final int GROUPS = 40;
public static final int JOINX = 41;
public static final int SORTX = 42;
public static final int GROUPX = 43;
public static final int TOTAL = 44;
public static final int CHANNEL_CS = 70; // ?ɼ?Ⱥ?α괴????Ⱥ?ܵ?
public static final int CHANNEL_CH = 71; // ?ɼ?Ⱥ?ܵ???????Ⱥ?ܵ?
public static final int CHANNEL_ADD_OPERATION = 72; // Ϊ?ܵ?????????
public static final int CHANNEL_GROUPS = 73;
public static final int CHANNEL_GROUPX = 74;
public static final int CHANNEL_SORTX = 75;
public static final int CHANNEL_FETCH = 76;
public static final int CHANNEL_RESULT = 77;
public static final int GT_APPEND_BY_CSID = 80; // ??ͬ?ֲ??α???append
public static final int GT_APPEND_BY_DATA = 81; // ?ɱ????α???append??????άֵ??????Ӧ?????ݵ??ڵ????append
public static final int GT_FIRST_KEY_VALUE = 82;
public static final int GT_UPDATE = 83;
public static final int GT_DELETE = 84;
public static final int GT_DELETE_INDEX = 85;
public static final int GT_INDEX = 86;
public static final int GT_RESET = 87;
public static final int GT_GET_PKEY = 88;
public static final int GT_NEWS = 89;
public static final int GT_CGROUPS = 90;//???????ѯ
public static final int GT_GET_COL_NAMES = 91;
public static final int GT_GET_STRUCT = 92;//???????ṹ
public static final int PSEUDO_CURSOR = 101;//????????α?
public static final int PSEUDO_ADD_COLNAME = 102;
public static final int PSEUDO_ADD_OPERATION = 103;
public static final int PSEUDO_CLONE = 104;
public static final int PSEUDO_CREATE = 105;
public static final int PSEUDO_JOINX = 106;
public static final int PSEUDO_SET_MCS = 107;
public static final int PSEUDO_SET_PATHCOUNT = 108;
public static final int PSEUDO_MEMORY = 109;
//????Զ????ʱ?ļ?
public static final int CREATE_TMPFILE = 200;
//???????ļ?localFile??????ʱ??????Զ????ʱ?ļ?
public static final int CREATE_TMPFILE_FROM = 201;
//??????????????Сֵ??????¼д????Ӧ?ֻ???Զ????ʱ?ļ??????ظ??ֻ????Ӧ????ʱ?ļ?????
//??RemoteFileֱ??дԶ?̣???????д???????ٴ???
//attr: int proxyId, String firstKey, Object[] segMinValues, String[] hosts, int[] ports
//???ݸ??ֻ?????????ʱ?ļ?????reduce???????α?proxyId
public static final int SHUFFLE = 202;
//?????м????keys=null????????????????
//attr: int csProxyId, String[] keys
//return: int ?????proxyId
public static final int INTERM = 205;
//private String jobSpaceId; // ??attributes??
private int command;
private HashMap attributes = new HashMap();
public UnitCommand(int command) {
this.command = command;
}
public void setAttribute(String name, Object value) {
attributes.put(name, value);
}
public Response execute() {
switch (command) {
case CREATE_BINARY_CURSOR:
return PartitionFile.executeCreateBinaryCursor(attributes);
case CURSOR_ADD_OPERATION:
return ClusterCursor.executeAddOperation(attributes);
case CURSOR_FETCH:
return ClusterCursor.executeFetch(attributes);
case CURSOR_SKIP:
return ClusterCursor.executeSkip(attributes);
case CURSOR_CLOSE:
return ClusterCursor.executeClose(attributes);
case CREATE_GT:
return PartitionFile.executeCreateGroupTable(attributes);
case OPEN_GT:
return PartitionFile.executeOpenGroupTable(attributes);
case LIST_FILE_PARTS:
return ClusterUtil.executeListFileParts(attributes);
case GET_GT_DISTRIBUTE:
return ClusterFile.executeGetDistribute(attributes);
case CLOSE_GT:
return ClusterPhyTable.executeCloseGroupTable(attributes);
case GET_TABLEMETADATA:
return ClusterPhyTable.executeGetTableMetaData(attributes);
case CREATE_GT_CURSOR:
return ClusterPhyTable.executeCreateCursor(attributes);
case CREATE_SYNC_GT_CURSOR:
return ClusterPhyTable.executeCreateSyncCursor(attributes);
case CREATE_GT_ICURSOR:
return ClusterPhyTable.executeICursor(attributes);
case CREATE_MT_CURSOR:
return ClusterMemoryTable.executeCreateCursor(attributes);
case GROUPS:
return ClusterCursor.executeGroups(attributes);
case JOINX:
return ClusterCursor.executeJoinx(attributes);
case GROUPX:
return ClusterCursor.executeGroupx(attributes);
case SORTX:
return ClusterCursor.executeSortx(attributes);
case TOTAL:
return ClusterCursor.executeTotal(attributes);
case CURSOR_GET_MINVALUES:
return ClusterCursor.executeGetMinValues(attributes);
case CURSOR_TO_REMOTE:
return ClusterCursor.executeGetParallelCursors(attributes);
case CREATE_MT_INDEX:
return ClusterMemoryTable.executeCreateIndex(attributes);
case MEMORY_GT:
return ClusterPhyTable.executeMemory(attributes);
case MEMORY_CLUSTERCURSOR:
return ClusterCursor.executeMemory(attributes);
case MEMORY_TABLE:
return ClusterMemoryTable.executeMemory(attributes);
case GET_MT_ROW:
return ClusterMemoryTable.executeGetRow(attributes);
case DUP_CLUSTER_MT:
return ClusterMemoryTable.executeDup(attributes);
case DUP_LOCAL_MT:
return ClusterMemoryTable.executeDupLocal(attributes);
case GET_MT_ROWS:
return ClusterMemoryTable.executeGetRows(attributes);
case MT_ADD_OPERATION:
return ClusterMemoryTable.executeAddOperation(attributes);
case CLOSE_MT:
return ClusterMemoryTable.executeClose(attributes);
case CHANNEL_CS:
return ClusterChannel.executeCreateChannel_CS(attributes);
case CHANNEL_CH:
return ClusterChannel.executeCreateChannel_CH(attributes);
case CHANNEL_ADD_OPERATION:
return ClusterChannel.executeAddOperation(attributes);
case CHANNEL_GROUPS:
return ClusterChannel.executeGroups(attributes);
case CHANNEL_GROUPX:
return ClusterChannel.executeGroupx(attributes);
case CHANNEL_SORTX:
return ClusterChannel.executeSortx(attributes);
case CHANNEL_FETCH:
return ClusterChannel.executeFetch(attributes);
case CHANNEL_RESULT:
return ClusterChannel.executeResult(attributes);
case GT_APPEND_BY_CSID:
return ClusterPhyTable.executeAppendByCSID(attributes);
case GT_FIRST_KEY_VALUE:
return ClusterPhyTable.executeGetFirstKeyValue(attributes);
case GT_APPEND_BY_DATA:
return ClusterPhyTable.executeAppendByData(attributes);
case GT_UPDATE:
return ClusterPhyTable.executeUpdate(attributes);
case GT_DELETE:
return ClusterPhyTable.executeDelete(attributes);
case GT_RESET:
return PartitionFile.executeResetGroupTable(attributes);
case GT_INDEX:
return ClusterPhyTable.executeCreateIndex(attributes);
case GT_DELETE_INDEX:
return ClusterPhyTable.executeDeleteIndex(attributes);
case GT_GET_PKEY:
return ClusterPhyTable.executeGetPkey(attributes);
case GT_CGROUPS:
return ClusterPhyTable.executeCgroups(attributes);
case GT_NEWS:
return ClusterPhyTable.executeNews(attributes);
case GT_GET_COL_NAMES:
return ClusterPhyTable.executeGetAllColNames(attributes);
case GT_GET_STRUCT:
return ClusterPhyTable.executeGetStructure(attributes);
case PSEUDO_CURSOR:
return ClusterPseudo.executeCreateCursor(attributes);
case PSEUDO_ADD_OPERATION:
return ClusterPseudo.executeAddOperation(attributes);
case PSEUDO_ADD_COLNAME:
return ClusterPseudo.executeAddColName(attributes);
case PSEUDO_CLONE:
return ClusterPseudo.executeClone(attributes);
case PSEUDO_CREATE:
return ClusterPseudo.executeCreateClusterPseudo(attributes);
case PSEUDO_MEMORY:
return ClusterPseudo.executeMemory(attributes);
default:
throw new RuntimeException();
}
}
}