| Line | Hits | Source |
|---|---|---|
| 1 | package umich.cac.pbs; | |
| 2 | ||
| 3 | import java.util.logging.Logger; | |
| 4 | import java.util.logging.Level; | |
| 5 | import java.util.Hashtable; | |
| 6 | ||
| 7 | import umich.cac.data.*; | |
| 8 | import umich.cac.util.EntityEncoding; | |
| 9 | ||
| 10 | /** | |
| 11 | * Singleton takes a String from the PBS file, and returns the proper Field | |
| 12 | * object based on the name of the field, and the field value. | |
| 13 | * <p> | |
| 14 | * | |
| 15 | * Example: | |
| 16 | * | |
| 17 | * <pre> | |
| 18 | * //This would be coming from PBS String nameField = "date"; String valueField = "10/12/02 10:11:11"; //Grab the dateNode Field dateNode = FieldFactory.getInstance().getField(nameField, valueField); | |
| 19 | * </pre> | |
| 20 | * | |
| 21 | * @author rmach@umich.edu | |
| 22 | * @version $Header: /cvsroot/pbsaccounting/pbsaccounting/src/umich/cac/pbs/FieldFactory.java,v 1.6 2003/10/21 19:07:59 rodmach Exp $ | |
| 23 | */ | |
| 24 | ||
| 25 | public class FieldFactory { | |
| 26 | ||
| 27 | //Hashtable mapps between PBS raw name, and the FieldName object | |
| 28 | 3 | private Hashtable fieldHash = new Hashtable(); |
| 29 | ||
| 30 | //Logger | |
| 31 | 6 | private Logger logger = Logger.getLogger(FieldFactory.class.getName()); |
| 32 | ||
| 33 | //The singleton instance | |
| 34 | 3 | private static FieldFactory thisInstance = null; |
| 35 | ||
| 36 | /** | |
| 37 | * Get singleton instance | |
| 38 | * | |
| 39 | * @return The instance value | |
| 40 | */ | |
| 41 | ||
| 42 | public static synchronized FieldFactory getInstance() { | |
| 43 | ||
| 44 | 378 | if (thisInstance == null) { |
| 45 | ||
| 46 | 3 | thisInstance = new FieldFactory(); |
| 47 | ||
| 48 | } | |
| 49 | ||
| 50 | 378 | return thisInstance; |
| 51 | } | |
| 52 | ||
| 53 | /** | |
| 54 | * private Constructor. Creates the lookup table for mapping between the | |
| 55 | * raw PBS name and the Field objects | |
| 56 | */ | |
| 57 | ||
| 58 | 3 | private FieldFactory() { |
| 59 | ||
| 60 | //Get all the field names | |
| 61 | ||
| 62 | 3 | FieldName[] fields = FieldName.getAllFieldNames(); |
| 63 | ||
| 64 | //Create a Hash of [RAW NAME] --> FieldName for quick lookup | |
| 65 | ||
| 66 | 159 | for (int i = 0; i < fields.length; i++) { |
| 67 | 156 | fieldHash.put(fields[i].getRawName(), fields[i]); |
| 68 | } | |
| 69 | ||
| 70 | 3 | } |
| 71 | ||
| 72 | /** | |
| 73 | * Return the appropriate Field object based on the fieldName and | |
| 74 | * fieldValue, or null if no match is found | |
| 75 | * | |
| 76 | * @param pbsField | |
| 77 | * The name of the field, like "etime" | |
| 78 | * @param fieldValue | |
| 79 | * The corresponding value, like "12330404" | |
| 80 | * @return The Field object for this fieldName, fieldValue combination, or | |
| 81 | * null if there is no matching field found. | |
| 82 | */ | |
| 83 | ||
| 84 | public Field getField(String pbsField, String fieldValue) { | |
| 85 | ||
| 86 | //Encode XML reserved charachters like <, & etc | |
| 87 | 378 | fieldValue = EntityEncoding.encode(fieldValue); |
| 88 | ||
| 89 | 378 | FieldName fieldName = (FieldName) fieldHash.get(pbsField); |
| 90 | ||
| 91 | //Field not found in lookup table, return null | |
| 92 | ||
| 93 | 378 | if (fieldName == null) { |
| 94 | ||
| 95 | 3 | if (logger.isLoggable(Level.WARNING)) { |
| 96 | 3 | logger.warning( |
| 97 | "Field with name " | |
| 98 | + pbsField | |
| 99 | + " was not found in lookup table"); | |
| 100 | } | |
| 101 | ||
| 102 | 3 | return null; |
| 103 | } | |
| 104 | ||
| 105 | //Return the appropriate field based on the fieldName we found. | |
| 106 | ||
| 107 | //This could be a custom FieldName object, or the generic | |
| 108 | ||
| 109 | 375 | if (fieldName.rawequals(FieldName.NEED_NODES)) { |
| 110 | /* | |
| 111 | * NOTE: NodesField and NeedNodes field are the same, just the | |
| 112 | * value changes | |
| 113 | */ | |
| 114 | 9 | return new NodesField(FieldName.NEED_NODES, fieldValue); |
| 115 | 366 | } else if (fieldName.rawequals(FieldName.EXEC_HOST)) { |
| 116 | ||
| 117 | 9 | return new ExecHostField(FieldName.EXEC_HOST, fieldValue); |
| 118 | 357 | } else if (fieldName.rawequals(FieldName.MEM)) { |
| 119 | ||
| 120 | 6 | return new MemField(FieldName.MEM, fieldValue); |
| 121 | 351 | } else if (fieldName.rawequals(FieldName.VMEM)) { |
| 122 | ||
| 123 | 6 | return new MemField(FieldName.VMEM, fieldValue); |
| 124 | 345 | } else if (fieldName.rawequals(FieldName.NODES)) { |
| 125 | /* | |
| 126 | * Because of the problematic encoding of :ppn, this is handled | |
| 127 | * special. Note "value" actually has some additional decoding to | |
| 128 | * be done | |
| 129 | */ | |
| 130 | ||
| 131 | 9 | return new NodesField(FieldName.NODES, fieldValue); |
| 132 | 336 | } else if (fieldName.rawequals(FieldName.NODE)) { |
| 133 | 24 | return new NodeField(FieldName.NODE, fieldValue); |
| 134 | 312 | } else if (fieldName.rawequals(FieldName.DATE)) { |
| 135 | ||
| 136 | 24 | return new DateField(FieldName.DATE, fieldValue); |
| 137 | 288 | } else if (fieldName.rawequals(FieldName.MEMORY_R)) { |
| 138 | ||
| 139 | 0 | return new MemField(FieldName.MEMORY_R, fieldValue); |
| 140 | 288 | } else if (fieldName.rawequals(FieldName.BNODES)) { |
| 141 | ||
| 142 | 0 | return new BNodeField(FieldName.BNODES, fieldValue); |
| 143 | } else { | |
| 144 | 288 | return new Field(fieldName, fieldValue, fieldName.getFieldType()); |
| 145 | } | |
| 146 | ||
| 147 | } | |
| 148 | ||
| 149 | /** | |
| 150 | * Helper method to return the Field object when the FieldName and | |
| 151 | * FieldValue are known | |
| 152 | * | |
| 153 | * @param fieldName | |
| 154 | * Name of the field | |
| 155 | * @param fieldValue | |
| 156 | * Value of the field | |
| 157 | * @return The field value, or null if no matching field found | |
| 158 | */ | |
| 159 | ||
| 160 | public Field getField(FieldName fieldName, String fieldValue) { | |
| 161 | ||
| 162 | 201 | return getField(fieldName.getRawName(), fieldValue); |
| 163 | } | |
| 164 | ||
| 165 | } |
|
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