Examples of com.mongodb.WriteResult

com.mongodb.WriteResult
This class lets you access the results of the previous write. if you have STRICT mode on, this just stores the result of that getLastError call if you don't, then this will actually do the getlasterror call. if another operation has been done on this connection in the interim, calls will fail

    @Test
    public void testNoWriteConcern() throws Exception {
        assertEquals(0, testCollection.count());
        Object result = template.requestBody("direct:noWriteConcern", "{\"scientist\":\"newton\"}");
        assertTrue("Result is not of type WriteResult", result instanceof WriteResult);
        WriteResult wr = (WriteResult) result;
        WriteConcern wc = wr.getLastConcern();
        // check the WriteConcern's behaviour
        if (wc.callGetLastError()) {
            assertNotNull(wr.getCachedLastError());
        } else {
            assertNull(wr.getCachedLastError());
        }
        CommandResult cr = wr.getLastError();
        assertTrue(cr.ok());
    }

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        assertEquals(0, testCollection.count());
        
        // test with object first
        Object result = template.requestBodyAndHeader("direct:noWriteConcern", "{\"scientist\":\"newton\"}", MongoDbConstants.WRITECONCERN, WriteConcern.SAFE);
        assertTrue("Result is not of type WriteResult", result instanceof WriteResult);
        WriteResult wr = (WriteResult) result;
        // should not be null because with WriteConcern.SAFE, getLastError was called implicitly by the driver
        assertNotNull(wr.getCachedLastError());
        CommandResult cr = wr.getLastError();
        assertTrue(cr.ok());
        
        // same behaviour should be reproduced with String 'SAFE'
        result = template.requestBodyAndHeader("direct:noWriteConcern", "{\"scientist\":\"newton\"}", MongoDbConstants.WRITECONCERN, "SAFE");
        assertTrue("Result is not of type WriteResult", result instanceof WriteResult);
        wr = (WriteResult) result;
        // should not be null because with WriteConcern.SAFE, getLastError was called implicitly by the driver
        assertNotNull(wr.getCachedLastError());
        cr = wr.getLastError();
        assertTrue(cr.ok());
    }

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    protected void doRemove(Exchange exchange) throws Exception {
        DBCollection dbCol = calculateCollection(exchange);
        DBObject removeObj = exchange.getIn().getMandatoryBody(DBObject.class);
        
        WriteConcern wc = extractWriteConcern(exchange);
        WriteResult result = wc == null ? dbCol.remove(removeObj) : dbCol.remove(removeObj, wc);
        processWriteResult(result, exchange);
        
        Message out = exchange.getOut();
        // we always return the WriteResult, because whether the getLastError was called or not, the user will have the means to call it or 
        // obtain the cached CommandResult
        out.setBody(result);
        out.setHeader(MongoDbConstants.RECORDS_AFFECTED, result.getN());
    }

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        DBObject objNew = saveObj.get(1);
        
        Boolean multi = exchange.getIn().getHeader(MongoDbConstants.MULTIUPDATE, Boolean.class);
        Boolean upsert = exchange.getIn().getHeader(MongoDbConstants.UPSERT, Boolean.class);
        
        WriteResult result;
        WriteConcern wc = extractWriteConcern(exchange);
        // In API 2.7, the default upsert and multi values of update(DBObject, DBObject) are false, false, so we unconditionally invoke the
        // full-signature method update(DBObject, DBObject, boolean, boolean). However, the default behaviour may change in the future, 
        // so it's safer to be explicit at this level for full determinism
        if (multi == null && upsert == null) {
            // for update with no multi nor upsert but with specific WriteConcern there is no update signature without multi and upsert args,
            // so assume defaults
            result = wc == null ? dbCol.update(updateCriteria, objNew) : dbCol.update(updateCriteria, objNew, false, false, wc);
        } else {
            // we calculate the final boolean values so that if any of these parameters is null, it is resolved to false
            result = wc == null ? dbCol.update(updateCriteria, objNew, calculateBooleanValue(upsert), calculateBooleanValue(multi)) 
                    : dbCol.update(updateCriteria, objNew, calculateBooleanValue(upsert), calculateBooleanValue(multi), wc);
        }
        
        processWriteResult(result, exchange);
        Message out = exchange.getOut();
        // we always return the WriteResult, because whether the getLastError was called or not, the user will have the means to call it or 
        // obtain the cached CommandResult
        out.setBody(result);
        out.setHeader(MongoDbConstants.RECORDS_AFFECTED, result.getN());
    }

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    protected void doSave(Exchange exchange) throws Exception {
        DBCollection dbCol = calculateCollection(exchange);
        DBObject saveObj = exchange.getIn().getMandatoryBody(DBObject.class);
        
        WriteConcern wc = extractWriteConcern(exchange);
        WriteResult result = wc == null ? dbCol.save(saveObj) : dbCol.save(saveObj, wc);
        processWriteResult(result, exchange);
        // we always return the WriteResult, because whether the getLastError was called or not, the user will have the means to call it or 
        // obtain the cached CommandResult
        exchange.getOut().setBody(result);
    }

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            } else {
                throw new CamelMongoDbException("MongoDB operation = insert, Body is not conversible to type DBObject nor List<DBObject>");
            }
        }
        
        WriteResult result;
        WriteConcern wc = extractWriteConcern(exchange);
        if (singleInsert) {
            result = wc == null ? dbCol.insert((DBObject) insert) : dbCol.insert((DBObject) insert, wc);
        } else {
            result = wc == null ? dbCol.insert((List<DBObject>) insert) : dbCol.insert((List<DBObject>) insert, wc);

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    protected void doRemove(Exchange exchange) throws Exception {
        DBCollection dbCol = calculateCollection(exchange);
        DBObject removeObj = exchange.getIn().getMandatoryBody(DBObject.class);


        WriteConcern wc = extractWriteConcern(exchange);
        WriteResult result = wc == null ? dbCol.remove(removeObj) : dbCol.remove(removeObj, wc);


        Message resultMessage = prepareResponseMessage(exchange, MongoDbOperation.remove);
        // we always return the WriteResult, because whether the getLastError was called or not,
        // the user will have the means to call it or obtain the cached CommandResult
        processAndTransferWriteResult(result, exchange);
        resultMessage.setHeader(MongoDbConstants.RECORDS_AFFECTED, result.getN());
    }

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        DBObject objNew = saveObj.get(1);


        Boolean multi = exchange.getIn().getHeader(MongoDbConstants.MULTIUPDATE, Boolean.class);
        Boolean upsert = exchange.getIn().getHeader(MongoDbConstants.UPSERT, Boolean.class);


        WriteResult result;
        WriteConcern wc = extractWriteConcern(exchange);
        // In API 2.7, the default upsert and multi values of update(DBObject, DBObject) are false, false, so we unconditionally invoke the
        // full-signature method update(DBObject, DBObject, boolean, boolean). However, the default behaviour may change in the future, 
        // so it's safer to be explicit at this level for full determinism
        if (multi == null && upsert == null) {
            // for update with no multi nor upsert but with specific WriteConcern there is no update signature without multi and upsert args,
            // so assume defaults
            result = wc == null ? dbCol.update(updateCriteria, objNew) : dbCol.update(updateCriteria, objNew, false, false, wc);
        } else {
            // we calculate the final boolean values so that if any of these
            // parameters is null, it is resolved to false
            result = wc == null ? dbCol.update(updateCriteria, objNew, calculateBooleanValue(upsert), calculateBooleanValue(multi)) : dbCol
                .update(updateCriteria, objNew, calculateBooleanValue(upsert), calculateBooleanValue(multi), wc);
        }


        Message resultMessage = prepareResponseMessage(exchange, MongoDbOperation.update);
        // we always return the WriteResult, because whether the getLastError was called or not, the user will have the means to call it or 
        // obtain the cached CommandResult
        processAndTransferWriteResult(result, exchange);
        resultMessage.setHeader(MongoDbConstants.RECORDS_AFFECTED, result.getN());
    }

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    protected void doSave(Exchange exchange) throws Exception {
        DBCollection dbCol = calculateCollection(exchange);
        DBObject saveObj = exchange.getIn().getMandatoryBody(DBObject.class);


        WriteConcern wc = extractWriteConcern(exchange);
        WriteResult result = wc == null ? dbCol.save(saveObj) : dbCol.save(saveObj, wc);


        prepareResponseMessage(exchange, MongoDbOperation.save);
        // we always return the WriteResult, because whether the getLastError was called or not, the user will have the means to call it or 
        // obtain the cached CommandResult
        processAndTransferWriteResult(result, exchange);

View Full Code Here

            } else {
                throw new CamelMongoDbException("MongoDB operation = insert, Body is not conversible to type DBObject nor List<DBObject>");
            }
        }


        WriteResult result;
        WriteConcern wc = extractWriteConcern(exchange);
        if (singleInsert) {
            result = wc == null ? dbCol.insert((DBObject)insert) : dbCol.insert((DBObject)insert, wc);
        } else {
            result = wc == null ? dbCol.insert((List<DBObject>)insert) : dbCol.insert((List<DBObject>)insert, wc);

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