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Bigtable: Add createUnsafe factory method in Mutation model #3800

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merged 3 commits into from
Oct 10, 2018
Merged

Bigtable: Add createUnsafe factory method in Mutation model #3800

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cf57fe8
creates unsafe mutation which allows server side timestamp
ajaaym Oct 10, 2018
f5d0ade
update doc and use constant for server side timestamp
ajaaym Oct 10, 2018
bf614d6
update doc
ajaaym Oct 10, 2018
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20 changes: 17 additions & 3 deletions ...oogle-cloud-bigtable/src/main/java/com/google/cloud/bigtable/data/v2/models/Mutation.java
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Original file line number Diff line number Diff line change
Expand Up @@ -44,17 +44,29 @@ public final class Mutation implements MutationApi<Mutation>, Serializable {
@InternalApi("Visible for testing")
static final int MAX_BYTE_SIZE = 200 * 1024 * 1024;

private final boolean allowServersideTimestamp;

private transient ImmutableList.Builder<com.google.bigtable.v2.Mutation> mutations =
ImmutableList.builder();

private int numMutations;
private long byteSize;

public static Mutation create() {
return new Mutation();
return new Mutation(false);
}

private Mutation() {}
/**
* Creates Mutation object which allows setCell operation to set server side timestamp.

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* @return Mutation object.
*/
public static Mutation createUnsafe() {
return new Mutation(true);
}

private Mutation(boolean allowServersideTimestamp) {
this.allowServersideTimestamp = allowServersideTimestamp;
}

private void readObject(ObjectInputStream input) throws IOException, ClassNotFoundException {
input.defaultReadObject();
Expand Down Expand Up @@ -102,7 +114,9 @@ public Mutation setCell(
Validations.validateFamily(familyName);
Preconditions.checkNotNull(qualifier, "qualifier can't be null.");
Preconditions.checkNotNull(value, "value can't be null.");
Preconditions.checkArgument(timestamp != -1, "Serverside timestamps are not supported");
if (!allowServersideTimestamp) {
Preconditions.checkArgument(timestamp != -1, "Serverside timestamps are not supported");

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}

addMutation(
com.google.bigtable.v2.Mutation.newBuilder()
Expand Down
13 changes: 13 additions & 0 deletions ...e-cloud-bigtable/src/test/java/com/google/cloud/bigtable/data/v2/models/MutationTest.java
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Original file line number Diff line number Diff line change
Expand Up @@ -97,6 +97,19 @@ public void setCellTest() {
assertThat(actual.get(3).getSetCell().getTimestampMicros()).isIn(expectedTimestampRange);
}

@Test
public void setCellWithServerSideTimestamp() {
Mutation mutation = Mutation.createUnsafe();
mutation
.setCell(
"fake-family",
ByteString.copyFromUtf8("fake-qualifier"),
-1,

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ByteString.copyFromUtf8("fake-value"));
List<com.google.bigtable.v2.Mutation> actual = mutation.getMutations();
assertThat(actual.get(0).getSetCell().getTimestampMicros()).isEqualTo(-1);
}

@Test
public void deleteColumnTest() {
mutation
Expand Down