Examples with IDField edu.uci.ics.textdb.api.field.IDField used on opensource projects

Example 11 with IDField

use of edu.uci.ics.textdb.api.field.IDField in project textdb by TextDB.

the class RelationManagerTest method test9.

/*
     * Test inserting a tuple to a table, then update it, then delete it 
     */
@Test
public void test9() throws Exception {
    String tableName = "relation_manager_test_table";
    String tableDirectory = "./index/test_table";
    Schema tableSchema = new Schema(new Attribute("content", AttributeType.STRING));
    RelationManager relationManager = RelationManager.getRelationManager();
    relationManager.deleteTable(tableName);
    relationManager.createTable(tableName, tableDirectory, tableSchema, LuceneAnalyzerConstants.standardAnalyzerString());
    DataWriter dataWriter = relationManager.getTableDataWriter(tableName);
    dataWriter.open();
    Tuple insertedTuple = new Tuple(tableSchema, new StringField("test"));
    IDField idField = dataWriter.insertTuple(insertedTuple);
    dataWriter.close();
    Tuple returnedTuple = relationManager.getTupleByID(tableName, idField);
    Assert.assertEquals(insertedTuple.getField("content").getValue().toString(), returnedTuple.getField("content").getValue().toString());
    dataWriter.open();
    Tuple updatedTuple = new Tuple(tableSchema, new StringField("testUpdate"));
    dataWriter.updateTuple(updatedTuple, idField);
    dataWriter.close();
    Tuple returnedUpdatedTuple = relationManager.getTupleByID(tableName, idField);
    Assert.assertEquals(updatedTuple.getField("content").getValue().toString(), returnedUpdatedTuple.getField("content").getValue().toString());
    dataWriter.open();
    dataWriter.deleteTupleByID(idField);
    dataWriter.close();
    Tuple deletedTuple = relationManager.getTupleByID(tableName, idField);
    Assert.assertNull(deletedTuple);
    relationManager.deleteTable(tableName);
}