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21 | 21 | import com.arangodb.ArangoConfigure;
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22 | 22 | import com.arangodb.ArangoDriver;
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23 | 23 | import com.arangodb.ArangoException;
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24 |
| -import com.arangodb.entity.CollectionType; |
25 | 24 | import com.arangodb.entity.DocumentEntity;
|
26 | 25 | import com.arangodb.util.MapBuilder;
|
27 | 26 |
|
28 | 27 | /**
|
29 |
| - * Switch many database. |
| 28 | + * Switch many database. |
| 29 | + * |
30 | 30 | * @author tamtam180 - kirscheless at gmail.com
|
31 | 31 | * @since 1.4.0
|
32 | 32 | */
|
33 | 33 | public class ExampleMDB {
|
34 | 34 |
|
35 |
| - public static void main(String[] args) { |
36 |
| - |
37 |
| - // Initialize configure |
38 |
| - ArangoConfigure configure = new ArangoConfigure(); |
39 |
| - configure.init(); |
40 |
| - |
41 |
| - // Create Driver (this instance is thread-safe) |
42 |
| - // If you use a multi database, you need create each instance. |
43 |
| - ArangoDriver driverA = new ArangoDriver(configure); // db = _system (configure#defaultDatabase) |
44 |
| - ArangoDriver driverB = new ArangoDriver(configure, "mydb2"); |
45 |
| - |
46 |
| - try { |
47 |
| - |
48 |
| - try { |
49 |
| - driverA.deleteCollection("example1"); |
50 |
| - } catch (Exception e) {} |
51 |
| - try { |
52 |
| - driverB.deleteDatabase("mydb2"); |
53 |
| - } catch (Exception e) {} |
54 |
| - try { |
55 |
| - driverB.deleteCollection("example2"); |
56 |
| - } catch (Exception e) {} |
57 |
| - |
58 |
| - // Create Collection at db(_system) |
59 |
| - driverA.createCollection("example1"); |
60 |
| - driverA.createDocument("example1", |
61 |
| - new MapBuilder().put("attr1", "value1").put("attr2", "value2").get(), |
62 |
| - false, false); |
63 |
| - |
64 |
| - // Create Database mydb2 |
65 |
| - driverB.createDatabase("mydb2"); |
66 |
| - |
67 |
| - // Create Collection at db(mydb2) |
68 |
| - driverB.createCollection("example2"); |
69 |
| - driverB.createDocument("example2", |
70 |
| - new MapBuilder().put("attr1-B", "value1").put("attr2-B", "value2").get(), |
71 |
| - false, false); |
72 |
| - |
73 |
| - // print all database names. |
74 |
| - System.out.println(driverA.getDatabases()); |
75 |
| - // -> _system, mydb2 |
76 |
| - |
77 |
| - // get all document-handle, and print get & print document. (_system DB) |
78 |
| - for (String documentHandle: driverA.getDocuments("example1", true)) { |
79 |
| - DocumentEntity<Map<String, Object>> doc = driverA.getDocument(documentHandle, Map.class); |
80 |
| - System.out.println(doc.getEntity()); |
81 |
| - } |
82 |
| - |
83 |
| - for (String documentHandle: driverB.getDocuments("example2", true)) { |
84 |
| - DocumentEntity<Map<String, Object>> doc = driverB.getDocument(documentHandle, Map.class); |
85 |
| - System.out.println(doc.getEntity()); |
86 |
| - } |
87 |
| - |
88 |
| - } catch (ArangoException e) { |
89 |
| - e.printStackTrace(); |
90 |
| - } finally { |
91 |
| - configure.shutdown(); |
92 |
| - } |
93 |
| - |
94 |
| - } |
| 35 | + public static void main(String[] args) { |
| 36 | + |
| 37 | + // Initialize configure |
| 38 | + ArangoConfigure configure = new ArangoConfigure(); |
| 39 | + configure.init(); |
| 40 | + |
| 41 | + // Create Driver (this instance is thread-safe) |
| 42 | + // If you use a multi database, you need create each instance. |
| 43 | + ArangoDriver driverA = new ArangoDriver(configure); // db = _system |
| 44 | + // (configure#defaultDatabase) |
| 45 | + ArangoDriver driverB = new ArangoDriver(configure, "mydb2"); |
| 46 | + |
| 47 | + try { |
| 48 | + |
| 49 | + try { |
| 50 | + driverA.deleteCollection("example1"); |
| 51 | + } catch (Exception e) { |
| 52 | + } |
| 53 | + try { |
| 54 | + driverB.deleteDatabase("mydb2"); |
| 55 | + } catch (Exception e) { |
| 56 | + } |
| 57 | + try { |
| 58 | + driverB.deleteCollection("example2"); |
| 59 | + } catch (Exception e) { |
| 60 | + } |
| 61 | + |
| 62 | + // Create Collection at db(_system) |
| 63 | + driverA.createCollection("example1"); |
| 64 | + driverA.createDocument("example1", new MapBuilder().put("attr1", "value1").put("attr2", "value2").get(), |
| 65 | + false, false); |
| 66 | + |
| 67 | + // Create Database mydb2 |
| 68 | + driverB.createDatabase("mydb2"); |
| 69 | + |
| 70 | + // Create Collection at db(mydb2) |
| 71 | + driverB.createCollection("example2"); |
| 72 | + driverB.createDocument("example2", |
| 73 | + new MapBuilder().put("attr1-B", "value1").put("attr2-B", "value2").get(), false, false); |
| 74 | + |
| 75 | + // print all database names. |
| 76 | + System.out.println(driverA.getDatabases()); |
| 77 | + // -> _system, mydb2 |
| 78 | + |
| 79 | + // get all document-handle, and print get & print document. (_system |
| 80 | + // DB) |
| 81 | + for (String documentHandle : driverA.getDocuments("example1", true)) { |
| 82 | + DocumentEntity<Map<String, Object>> doc = driverA.getDocument(documentHandle, Map.class); |
| 83 | + System.out.println(doc.getEntity()); |
| 84 | + } |
| 85 | + |
| 86 | + for (String documentHandle : driverB.getDocuments("example2", true)) { |
| 87 | + DocumentEntity<Map<String, Object>> doc = driverB.getDocument(documentHandle, Map.class); |
| 88 | + System.out.println(doc.getEntity()); |
| 89 | + } |
| 90 | + |
| 91 | + } catch (ArangoException e) { |
| 92 | + e.printStackTrace(); |
| 93 | + } finally { |
| 94 | + configure.shutdown(); |
| 95 | + } |
| 96 | + |
| 97 | + } |
95 | 98 |
|
96 | 99 | }
|
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