com.hazelcast.jet.impl.aggregate.AggregateOperation1Impl Maven / Gradle / Ivy
/*
* Copyright (c) 2008-2023, Hazelcast, Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.jet.impl.aggregate;
import com.hazelcast.function.BiConsumerEx;
import com.hazelcast.function.FunctionEx;
import com.hazelcast.function.SupplierEx;
import com.hazelcast.jet.aggregate.AggregateOperation1;
import com.hazelcast.jet.core.JetDataSerializerHook;
import com.hazelcast.jet.datamodel.Tag;
import com.hazelcast.nio.ObjectDataInput;
import com.hazelcast.nio.ObjectDataOutput;
import com.hazelcast.nio.serialization.IdentifiedDataSerializable;
import javax.annotation.Nonnull;
import javax.annotation.Nullable;
import java.io.IOException;
import static com.hazelcast.internal.serialization.impl.SerializationUtil.checkSerializable;
public class AggregateOperation1Impl
extends AggregateOperationImpl
implements AggregateOperation1 {
public AggregateOperation1Impl() {
}
public AggregateOperation1Impl(
@Nonnull SupplierEx createFn,
@Nonnull BiConsumerEx super A, ? super T0> accumulateFn,
@Nullable BiConsumerEx super A, ? super A> combineFn,
@Nullable BiConsumerEx super A, ? super A> deductFn,
@Nonnull FunctionEx super A, ? extends R> exportFn,
@Nonnull FunctionEx super A, ? extends R> finishFn
) {
super(createFn, accumulateFns(accumulateFn), combineFn, deductFn, exportFn, finishFn);
}
@Nonnull
@SuppressWarnings("unchecked")
public BiConsumerEx super A, ? super T0> accumulateFn() {
return (BiConsumerEx super A, ? super T0>) accumulateFns[0];
}
@Nonnull @Override
public AggregateOperation1 withAccumulateFn(
BiConsumerEx super A, ? super NEW_T> accumulateFn
) {
checkSerializable(accumulateFn, "accumulateFn");
return new AggregateOperation1Impl<>(
createFn(), accumulateFn, combineFn(), deductFn(), exportFn(), finishFn());
}
@Nonnull @Override
@SuppressWarnings("unchecked")
public BiConsumerEx super A, ? super T> accumulateFn(@Nonnull Tag tag) {
if (tag.index() != 0) {
throw new IllegalArgumentException("AggregateOperation1 recognizes only tag with index 0, but asked for "
+ tag.index());
}
return (BiConsumerEx super A, ? super T>) accumulateFns[0];
}
@Nonnull @Override
public AggregateOperation1 withIdentityFinish() {
return new AggregateOperation1Impl<>(
createFn(), accumulateFn(), combineFn(), deductFn(),
unsupportedExportFn(), FunctionEx.identity());
}
@Nonnull @Override
public AggregateOperation1 andThen(FunctionEx super R, ? extends R_NEW> thenFn) {
return new AggregateOperation1Impl<>(
createFn(), accumulateFn(), combineFn(), deductFn(),
exportFn().andThen(thenFn), finishFn().andThen(thenFn)
);
}
@Override
public int getClassId() {
return AggregateDataSerializerHook.AGGREGATE_OPERATION_1_IMPL;
}
public static class AggregateCombiningAccumulate implements IdentifiedDataSerializable, BiConsumerEx {
private FunctionEx getAccFn;
private BiConsumerEx super A, ? super A> combineFn;
public AggregateCombiningAccumulate() {
}
public AggregateCombiningAccumulate(FunctionEx getAccFn, BiConsumerEx super A, ? super A> combineFn) {
this.getAccFn = getAccFn;
this.combineFn = combineFn;
}
@Override
public void acceptEx(A acc, T item) throws Exception {
combineFn.accept(acc, getAccFn.apply(item));
}
@Override
public void writeData(ObjectDataOutput out) throws IOException {
out.writeObject(getAccFn);
out.writeObject(combineFn);
}
@Override
public void readData(ObjectDataInput in) throws IOException {
getAccFn = in.readObject();
combineFn = in.readObject();
}
@Override
public int getFactoryId() {
return JetDataSerializerHook.FACTORY_ID;
}
@Override
public int getClassId() {
return JetDataSerializerHook.AGGREGATE_COMBINING_ACCUMULATE;
}
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy