// lame way to communicate with the coprocessor, // since it is loaded by a different class loader @Override public void prePut( final ObserverContext<RegionCoprocessorEnvironment> c, final Put put, final WALEdit edit, final Durability durability) throws IOException { if (put.getAttribute("ttl") != null) { Cell cell = put.getFamilyCellMap().values().iterator().next().get(0); KeyValue kv = KeyValueUtil.ensureKeyValue(cell); ttls.put(TableName.valueOf(kv.getQualifier()), Bytes.toLong(kv.getValue())); c.bypass(); } else if (put.getAttribute("versions") != null) { Cell cell = put.getFamilyCellMap().values().iterator().next().get(0); KeyValue kv = KeyValueUtil.ensureKeyValue(cell); versions.put(TableName.valueOf(kv.getQualifier()), Bytes.toInt(kv.getValue())); c.bypass(); } }
@Override public void prePut( ObserverContext<RegionCoprocessorEnvironment> e, Put put, WALEdit edit, Durability durability) throws IOException { Region region = e.getEnvironment().getRegion(); if (!region.getRegionInfo().isMetaTable() && !region.getRegionInfo().getTable().isSystemTable()) { if (put.getAttribute(TEST_ATR_KEY) != null) { LOG.debug("allow any put to happen " + region.getRegionInfo().getRegionNameAsString()); } else { e.bypass(); } } }
@Override public void prePut( final ObserverContext<RegionCoprocessorEnvironment> e, final Put put, final WALEdit edit, final Durability durability) throws IOException { byte[] attribute = put.getAttribute("visibility"); byte[] cf = null; List<Cell> updatedCells = new ArrayList<Cell>(); if (attribute != null) { for (List<? extends Cell> edits : put.getFamilyCellMap().values()) { for (Cell cell : edits) { KeyValue kv = KeyValueUtil.ensureKeyValue(cell); if (cf == null) { cf = kv.getFamily(); } Tag tag = new Tag(TAG_TYPE, attribute); List<Tag> tagList = new ArrayList<Tag>(); tagList.add(tag); KeyValue newKV = new KeyValue( kv.getRow(), 0, kv.getRowLength(), kv.getFamily(), 0, kv.getFamilyLength(), kv.getQualifier(), 0, kv.getQualifierLength(), kv.getTimestamp(), KeyValue.Type.codeToType(kv.getType()), kv.getValue(), 0, kv.getValueLength(), tagList); ((List<Cell>) updatedCells).add(newKV); } } put.getFamilyCellMap().remove(cf); // Update the family map put.getFamilyCellMap().put(cf, updatedCells); } }