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Migrate from partitionManager to partitionDistribution API #8

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Migrate from partitionManager to partitionDistribution API #8

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cd2ed0a
Migrate from partitionManager to partitionDistribution API
sdarlington Jan 7, 2026
f8d6247
Temporarily use GG 9.1.16
sdarlington Jan 7, 2026
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2 changes: 1 addition & 1 deletion pom.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -12,7 +12,7 @@
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
<ignite.project>org.gridgain</ignite.project>
<ignite.version>9.1.8</ignite.version>
<ignite.version>9.1.16</ignite.version>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<exec.cleanupDaemonThreads>false</exec.cleanupDaemonThreads>
</properties>
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9 changes: 4 additions & 5 deletions src/main/java/training/ComputeApp.java
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Expand Up @@ -90,14 +90,13 @@ public Marshaller<TopCustomer[], byte[]> reduceJobResultMarshaller() {
@Override
public CompletableFuture<List<MapReduceJob<Tuple, CustomerPrice[]>>> splitAsync(TaskExecutionContext taskExecutionContext, Integer customersCount) {
this.customerCount = customersCount;
return taskExecutionContext.ignite().tables().table("InvoiceLine").partitionManager().primaryReplicasAsync()
return taskExecutionContext.ignite().tables().table("InvoiceLine").partitionDistribution().primaryReplicasAsync()
.thenApply(x -> x.entrySet().stream()
.map(jobParameter ->
MapReduceJob.<Tuple,CustomerPrice[]>builder()
.nodes(List.of(jobParameter.getValue()))
.args(Tuple.create()
// FIXME: don't use hashCode once API is finalised
.set("partition",jobParameter.getKey().hashCode())
.set("partition", jobParameter.getKey().id())
.set("count", customersCount))
.jobDescriptor(
JobDescriptor.builder(TopPayingCustomersJob.class)
Expand All @@ -112,7 +111,7 @@ public CompletableFuture<List<MapReduceJob<Tuple, CustomerPrice[]>>> splitAsync(

private static class TopPayingCustomersJob implements ComputeJob<Tuple, CustomerPrice[]> {
// Verify results with: select customerid, sum(quantity * unitprice) as price from invoiceline group by customerid order by price desc limit 5
private static String sql = "select customerid, quantity * unitprice as price from invoiceline where \"__part\" = ?";
private static final String sql = "select customerid, quantity * unitprice as price from invoiceline where \"__partition_id\" = ?";

private int customerCount = 5;

Expand All @@ -127,7 +126,7 @@ public CompletableFuture<CustomerPrice[]> executeAsync(JobExecutionContext jobEx

customerCount = parameters.intValue("count");

try (var results = jobExecutionContext.ignite().sql().execute((Transaction) null, sql, parameters.intValue("partition"))) {
try (var results = jobExecutionContext.ignite().sql().execute((Transaction) null, sql, parameters.longValue("partition"))) {
while (results.hasNext()) {
var row = results.next();
customerPurchases.merge(row.intValue("customerId"), row.value("price"), BigDecimal::add);
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