me.prettyprint.hector.api.beans.Row.getKey()方法的使用及代码示例

x33g5p2x  于2022-01-29 转载在 其他  
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本文整理了Java中me.prettyprint.hector.api.beans.Row.getKey方法的一些代码示例，展示了Row.getKey的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Row.getKey方法的具体详情如下：
包路径：me.prettyprint.hector.api.beans.Row
类名称：Row
方法名：getKey

Row.getKey介绍

暂无

代码示例

代码示例来源：origin: hector-client/hector

@Override
public Row<K, N, V> next() {
  Row<K, N, V> row = iterator.next();
  startKey = row.getKey();
  rows++;
  return row;
}

代码示例来源：origin: hector-client/hector

@Override
public Row<K, N, V> next() {
  Row<K, N, V> row = iterator.next();
  startKey = row.getKey();
  rows++;
  return row;
}

代码示例来源：origin: hector-client/hector

@Override
  public boolean accept(Row<String, Integer, Integer> row)
  {
    return Integer.parseInt(row.getKey().replaceAll("^k", "")) < 10;
  }
};

代码示例来源：origin: hector-client/hector

private void findNext(boolean fromRunQuery) {
 nextValue = null;
 if (rowsIterator == null) {
  return;
 }
 while (rowsIterator.hasNext() && nextValue == null) {
  Row<K, String, String> row = rowsIterator.next();
  lastReadValue = row.getKey();
  if (!row.getColumnSlice().getColumns().isEmpty()) {
   nextValue = lastReadValue;
  }
 }
 if (!rowsIterator.hasNext() && nextValue == null) {
  runQuery(lastReadValue, endKey);
 }
}

代码示例来源：origin: Comcast/cmb

@Override
public K getKey() {
  return row.getKey();
}
@Override

代码示例来源：origin: hector-client/hector

private void assertKeys(RangeSlicesQuery query, int expected, String start, String end, SliceFilter<Row<String, Integer, Integer>> filter) {
    RangeSlicesIterator<String, Integer, Integer> iterator = new RangeSlicesIterator<String, Integer, Integer>(query, start, end).setFilter(filter);

  int total = 0;
    while(iterator.hasNext()) {
      iterator.next().getKey();
      total ++;
    }

  assertEquals(expected, total);
 }
}

代码示例来源：origin: org.hectorclient/hector-core

@Override
public Row<K, N, V> next() {
  Row<K, N, V> row = iterator.next();
  startKey = row.getKey();
  rows++;
  return row;
}

代码示例来源：origin: me.prettyprint/hector-core

@Override
public Row<K, N, V> next() {
  Row<K, N, V> row = iterator.next();
  startKey = row.getKey();
  rows++;
  return row;
}

代码示例来源：origin: hector-client/hector

@Test
public void testModificationIterator() {
  LinkedList<String> KEYS= new LinkedList<String>();
  for (int j = 0; j < 100; j++) {
    KEYS.add(KEY+j);
  }
  
  Mutator mutator = HFactory.createMutator(keyspace, se);
  MultigetSliceIterator<String, UUID, String> it= 
      new MultigetSliceIterator<String, UUID, String>(false,keyspace, se,us,se, CF, KEYS, null,null,1,10,1000);// Retrieve all columns from row -> 1000	

  Map<UUID, String> results = new HashMap<UUID, String>();
  while (it.hasNext()) {
    Row<String,UUID, String> r = it.next();
    for (HColumn<UUID, String> c : r.getColumnSlice().getColumns()) {
      results.put(c.getName(), c.getValue());    
      mutator.addDeletion(r.getKey(), CF, c.getName(), us);
      mutator.execute();
    }
    
  }
  
  assertEquals(100*1000, results.size());
}
@Test

代码示例来源：origin: hector-client/hector

@Test
public void testKeysOnlyPredicate() {
 RangeSlicesQuery<String, String, Long> rangeSlicesQuery = HFactory.createRangeSlicesQuery(keyspace, se, se, le);
 QueryResult<OrderedRows<String, String, Long>> result = 
  rangeSlicesQuery.setColumnFamily(cf).setKeys("", "").setReturnKeysOnly().execute();
 OrderedRows<String, String, Long> orderedRows = result.get();
 Row<String, String, Long> row = orderedRows.iterator().next();
 assertNotNull(row.getKey());
 assertEquals(0,row.getColumnSlice().getColumns().size());
 
 result = rangeSlicesQuery.setColumnNames("birthyear","birthmonth").setRowCount(5).execute();
 orderedRows = result.get();
 row = orderedRows.iterator().next();
 assertNotNull(row.getKey());
 assertEquals(2,row.getColumnSlice().getColumns().size());
}

代码示例来源：origin: org.hectorclient/hector-core

@Override
public Row<K, N, V> next() {
  Row<K, N, V> row = iterator.next();
  startKey = row.getKey();
  rows++;
  return row;
}

代码示例来源：origin: me.prettyprint/hector-core

private void findNext(boolean fromRunQuery) {
 nextValue = null;
 if (rowsIterator == null) {
  return;
 }
 while (rowsIterator.hasNext() && nextValue == null) {
  Row<K, String, String> row = rowsIterator.next();
  lastReadValue = row.getKey();
  if (!row.getColumnSlice().getColumns().isEmpty()) {
   nextValue = lastReadValue;
  }
 }
 if (!rowsIterator.hasNext() && nextValue == null) {
  runQuery(lastReadValue, endKey);
 }
}

代码示例来源：origin: hector-client/hector

Row<String, String, String> row = rows.getList().get(0);
assertNotNull(row);
assertEquals("testRangeSlicesQuery1", row.getKey());
ColumnSlice<String, String> slice = row.getColumnSlice();
assertNotNull(slice);

代码示例来源：origin: hector-client/hector

@Test
public void testRangeSubSlicesQuery() {
 String cf = "Super1";
 TestCleanupDescriptor cleanup = insertSuperColumns(cf, 4,
   "testRangeSubSlicesQuery", 3, "testRangeSubSlicesQuery");
 // get value
 RangeSubSlicesQuery<String, String, String, String> q = createRangeSubSlicesQuery(
   ko, se, se, se, se);
 q.setColumnFamily(cf);
 q.setKeys("testRangeSubSlicesQuery2", "testRangeSubSlicesQuery3");
 // try with column name first
 q.setSuperColumn("testRangeSubSlicesQuery1");
 q.setColumnNames("c021", "c111");
 QueryResult<OrderedRows<String, String, String>> r = q.execute();
 assertNotNull(r);
 OrderedRows<String, String, String> rows = r.get();
 assertNotNull(rows);
 assertEquals(2, rows.getCount());
 Row<String, String, String> row = rows.getList().get(0);
 assertNotNull(row);
 assertEquals("testRangeSubSlicesQuery2", row.getKey());
 ColumnSlice<String, String> slice = row.getColumnSlice();
 assertNotNull(slice);
 // Test slice.getColumnByName
 assertEquals("v021", slice.getColumnByName("c021").getValue());
 assertEquals("v121", slice.getColumnByName("c111").getValue());
 assertNull(slice.getColumnByName("c033"));
 // Delete values
 deleteColumns(cleanup);
}

代码示例来源：origin: hector-client/hector

Row<String, String, String> row = rows.getByKey("testMultigetSliceQuery1");
assertNotNull(row);
assertEquals("testMultigetSliceQuery1", row.getKey());
ColumnSlice<String, String> slice = row.getColumnSlice();
assertNotNull(slice);

代码示例来源：origin: hector-client/hector

.getByKey("testMultigetSubSliceQuery0");
assertNotNull(row);
assertEquals("testMultigetSubSliceQuery0", row.getKey());
ColumnSlice<String, String> slice = row.getColumnSlice();
assertNotNull(slice);

代码示例来源：origin: cumulusrdf/cumulusrdf

@Override
public K getKey(final V value) throws DataAccessLayerException { 
  RangeSlicesQuery<K, byte[], V> rq = HFactory.createRangeSlicesQuery(
      _keyspace, 
      _serializer_k, 
      BYTE_SERIALIZER, 
      _serializer_v);
  rq.addEqualsExpression(COLUMN_NAME, value).setReturnKeysOnly()
      .setColumnFamily(_cf_name)
      .setColumnNames(COLUMN_NAME).setRowCount(1);
  final List<Row<K, byte[], V>> rows = rq.execute().get().getList();
  return rows.isEmpty() ? null : _serializer_k.fromBytes((byte[])rows.get(0).getKey());
}

代码示例来源：origin: cumulusrdf/cumulusrdf

@Override
public K getKey(final V value) throws DataAccessLayerException { 
  RangeSlicesQuery<K, byte[], V> rq = HFactory.createRangeSlicesQuery(
      _keyspace, 
      _serializer_k, 
      BYTE_SERIALIZER, 
      _serializer_v);
  rq.addEqualsExpression(COLUMN_NAME, value).setReturnKeysOnly()
      .setColumnFamily(_cf_name)
      .setColumnNames(COLUMN_NAME).setRowCount(1);
  final List<Row<K, byte[], V>> rows = rq.execute().get().getList();
  return rows.isEmpty() ? null : _serializer_k.fromBytes((byte[])rows.get(0).getKey());
}

代码示例来源：origin: org.apache.archiva/metadata-store-cassandra

protected void removeLicenses( String projectVersionMetadataKey )
{
  QueryResult<OrderedRows<String, String, String>> result =
    HFactory.createRangeSlicesQuery( cassandraArchivaManager.getKeyspace(), ss, ss, ss ) //
      .setColumnFamily( cassandraArchivaManager.getLicenseFamilyName() ) //
      .setColumnNames( NAME.toString() ) //
      .setRowCount( Integer.MAX_VALUE ) //
      .addEqualsExpression( "projectVersionMetadataModel.key", projectVersionMetadataKey ) //
      .execute();
  for ( Row<String, String, String> row : result.get() )
  {
    this.licenseTemplate.deleteRow( row.getKey() );
  }
}

代码示例来源：origin: org.apache.archiva/metadata-store-cassandra

protected void removeDependencies( String projectVersionMetadataKey )
{
  QueryResult<OrderedRows<String, String, String>> result =
    HFactory.createRangeSlicesQuery( cassandraArchivaManager.getKeyspace(), ss, ss, ss ) //
      .setColumnFamily( cassandraArchivaManager.getDependencyFamilyName() ) //
      .setColumnNames( GROUP_ID.toString() ) //
      .setRowCount( Integer.MAX_VALUE ) //
      .addEqualsExpression( "projectVersionMetadataModel.key", projectVersionMetadataKey ) //
      .execute();
  for ( Row<String, String, String> row : result.get() )
  {
    this.dependencyTemplate.deleteRow( row.getKey() );
  }
}

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