public void TestContextPartitionSelection()
{
var fields = "c0,c1,c2".Split(',');
_epService.EPAdministrator.CreateEPL("create context MyCtx as coalesce Consistent_hash_crc32(TheString) from SupportBean granularity 16 preallocate");
var stmt = _epService.EPAdministrator.CreateEPL("context MyCtx select context.id as c0, TheString as c1, Sum(IntPrimitive) as c2 from SupportBean.win:keepall() group by TheString");
_epService.EPRuntime.SendEvent(new SupportBean("E1", 1));
EPAssertionUtil.AssertPropsPerRow(stmt.GetEnumerator(), stmt.GetSafeEnumerator(), fields, new Object[][] { new Object[] { 5, "E1", 1 } });
_epService.EPRuntime.SendEvent(new SupportBean("E2", 10));
_epService.EPRuntime.SendEvent(new SupportBean("E1", 2));
_epService.EPRuntime.SendEvent(new SupportBean("E3", 100));
_epService.EPRuntime.SendEvent(new SupportBean("E3", 101));
_epService.EPRuntime.SendEvent(new SupportBean("E1", 3));
EPAssertionUtil.AssertPropsPerRowAnyOrder(stmt.GetEnumerator(), stmt.GetSafeEnumerator(), fields, new Object[][] { new Object[] { 5, "E1", 6 }, new Object[] { 15, "E2", 10 }, new Object[] { 9, "E3", 201 } });
// test iterator targeted hash
var selector = new SupportSelectorByHashCode(Collections.SingletonList(15));
EPAssertionUtil.AssertPropsPerRowAnyOrder(stmt.GetEnumerator(selector), stmt.GetSafeEnumerator(selector), fields, new Object[][] { new Object[] { 15, "E2", 10 } });
selector = new SupportSelectorByHashCode(new HashSet <int> {
1, 9, 5
});
EPAssertionUtil.AssertPropsPerRowAnyOrder(stmt.GetEnumerator(selector), stmt.GetSafeEnumerator(selector), fields, new Object[][] { new Object[] { 5, "E1", 6 }, new Object[] { 9, "E3", 201 } });
Assert.IsFalse(stmt.GetEnumerator(new SupportSelectorByHashCode(Collections.SingletonList(99))).MoveNext());
Assert.IsFalse(stmt.GetEnumerator(new SupportSelectorByHashCode(Collections.GetEmptySet <int>())).MoveNext());
Assert.IsFalse(stmt.GetEnumerator(new SupportSelectorByHashCode(null)).MoveNext());
// test iterator filtered
var filtered = new MySelectorFilteredHash(Collections.SingletonList(15));
EPAssertionUtil.AssertPropsPerRowAnyOrder(stmt.GetEnumerator(filtered), stmt.GetSafeEnumerator(filtered), fields, new Object[][] { new Object[] { 15, "E2", 10 } });
filtered = new MySelectorFilteredHash(new HashSet <int> {
1, 9, 5
});
EPAssertionUtil.AssertPropsPerRowAnyOrder(stmt.GetEnumerator(filtered), stmt.GetSafeEnumerator(filtered), fields, new Object[][] { new Object[] { 5, "E1", 6 }, new Object[] { 9, "E3", 201 } });
// test always-false filter - compare context partition info
filtered = new MySelectorFilteredHash(Collections.GetEmptySet <int>());
Assert.IsFalse(stmt.GetEnumerator(filtered).MoveNext());
Assert.AreEqual(16, filtered.Contexts.Count);
try {
stmt.GetEnumerator(new ProxyContextPartitionSelectorSegmented
{
ProcPartitionKeys = () => null
});
Assert.Fail();
}
catch (InvalidContextPartitionSelector ex) {
Assert.IsTrue(ex.Message.StartsWith("Invalid context partition selector, expected an implementation class of any of [ContextPartitionSelectorAll, ContextPartitionSelectorFiltered, ContextPartitionSelectorById, ContextPartitionSelectorHash] interfaces but received com."), "message: " + ex.Message);
}
}
public void Run(RegressionEnvironment env)
{
var fields = new[] {"c0", "c1", "c2"};
var path = new RegressionPath();
env.CompileDeploy(
"@Name('ctx') create context MyCtx as coalesce consistent_hash_crc32(TheString) from SupportBean granularity 16 preallocate",
path);
env.CompileDeploy(
"@Name('s0') context MyCtx select context.id as c0, TheString as c1, sum(IntPrimitive) as c2 from SupportBean#keepall group by TheString",
path);
env.Milestone(0);
env.SendEventBean(new SupportBean("E1", 1));
EPAssertionUtil.AssertPropsPerRow(
env.Statement("s0").GetEnumerator(),
env.Statement("s0").GetSafeEnumerator(),
fields,
new[] {
new object[] {5, "E1", 1}
});
env.SendEventBean(new SupportBean("E2", 10));
env.SendEventBean(new SupportBean("E1", 2));
env.Milestone(1);
env.SendEventBean(new SupportBean("E3", 100));
env.SendEventBean(new SupportBean("E3", 101));
env.SendEventBean(new SupportBean("E1", 3));
EPAssertionUtil.AssertPropsPerRowAnyOrder(
env.Statement("s0").GetEnumerator(),
env.Statement("s0").GetSafeEnumerator(),
fields,
new[] {
new object[] {5, "E1", 6},
new object[] {15, "E2", 10},
new object[] {9, "E3", 201}
});
SupportContextPropUtil.AssertContextProps(env, "ctx", "MyCtx", new[] {5, 15, 9}, null, null);
env.Milestone(2);
// test iterator targeted hash
var selector = new SupportSelectorByHashCode(Collections.SingletonSet(15));
EPAssertionUtil.AssertPropsPerRowAnyOrder(
env.Statement("s0").GetEnumerator(selector),
env.Statement("s0").GetSafeEnumerator(selector),
fields,
new[] {
new object[] {15, "E2", 10}
});
selector = new SupportSelectorByHashCode(new HashSet<int>(Arrays.AsList(1, 9, 5)));
EPAssertionUtil.AssertPropsPerRowAnyOrder(
env.Statement("s0").GetEnumerator(selector),
env.Statement("s0").GetSafeEnumerator(selector),
fields,
new[] {
new object[] {5, "E1", 6},
new object[] {9, "E3", 201}
});
Assert.IsFalse(
env.Statement("s0")
.GetEnumerator(
new SupportSelectorByHashCode(Collections.SingletonSet(99)))
.MoveNext());
Assert.IsFalse(
env.Statement("s0")
.GetEnumerator(
new SupportSelectorByHashCode(Collections.GetEmptySet<int>()))
.MoveNext());
Assert.IsFalse(
env.Statement("s0")
.GetEnumerator(
new SupportSelectorByHashCode(null))
.MoveNext());
// test iterator filtered
var filtered = new MySelectorFilteredHash(
Collections.SingletonSet(15));
EPAssertionUtil.AssertPropsPerRowAnyOrder(
env.Statement("s0").GetEnumerator(filtered),
env.Statement("s0").GetSafeEnumerator(filtered),
fields,
new[] {
new object[] {15, "E2", 10}
});
filtered = new MySelectorFilteredHash(new HashSet<int>(Arrays.AsList(1, 9, 5)));
EPAssertionUtil.AssertPropsPerRowAnyOrder(
env.Statement("s0").GetEnumerator(filtered),
env.Statement("s0").GetSafeEnumerator(filtered),
fields,
new[] {
new object[] {5, "E1", 6},
new object[] {9, "E3", 201}
});
// test always-false filter - compare context partition info
filtered = new MySelectorFilteredHash(Collections.GetEmptySet<int>());
Assert.IsFalse(env.Statement("s0").GetEnumerator(filtered).MoveNext());
Assert.AreEqual(16, filtered.Contexts.Count);
try {
env.Statement("s0")
.GetEnumerator(
new ProxyContextPartitionSelectorSegmented {
ProcPartitionKeys = () => null
});
Assert.Fail();
}
catch (InvalidContextPartitionSelector ex) {
Assert.IsTrue(
ex.Message.StartsWith(
"Invalid context partition selector, expected an implementation class of any of [ContextPartitionSelectorAll, ContextPartitionSelectorFiltered, ContextPartitionSelectorById, ContextPartitionSelectorHash] interfaces but received com."),
"message: " + ex.Message);
}
env.UndeployAll();
env.Milestone(3);
}