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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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. | ||
| */ | ||
|
|
||
| using Apache.Ignite.Core; | ||
| using Apache.Ignite.Core.Compute; | ||
| using Apache.Ignite.Core.Resource; | ||
|
|
||
| namespace dotnet_helloworld | ||
| { | ||
| public class JobScheduling | ||
| { | ||
| public void Priority() | ||
| { | ||
| // tag::priority[] | ||
| // PriorityQueueCollisionSpi must be configured in the Spring XML configuration file ignite-helloworld.xml | ||
| var cfg = new IgniteConfiguration | ||
| { | ||
| SpringConfigUrl = "ignite-helloworld.xml" | ||
| }; | ||
|
|
||
| // Start a node. | ||
| using var ignite = Ignition.Start(cfg); | ||
| // end::priority[] | ||
| } | ||
|
|
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| // tag::task-priority[] | ||
| // Compute tasks must be annotated with the ComputeTaskSessionFullSupport attribute to support distributing | ||
| // the task's session attributes to compute jobs that the task creates. | ||
| [ComputeTaskSessionFullSupport] | ||
| public class MyUrgentTask : ComputeTaskSplitAdapter<int, bool, bool> | ||
| { | ||
| // Auto-injected task session. | ||
| [TaskSessionResource] private IComputeTaskSession _taskSes; | ||
|
|
||
| /// <inheritdoc /> | ||
| protected override ICollection<IComputeJob<bool>> Split(int gridSize, int arg) | ||
| { | ||
| // Set high task priority. | ||
| _taskSes.SetAttribute("grid.task.priority", 10); | ||
|
|
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| var jobs = new List<IComputeJob<bool>>(gridSize); | ||
|
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| for (var i = 1; i <= gridSize; i++) | ||
| { | ||
| jobs.Add(new MyUrgentJob()); | ||
| } | ||
|
|
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| // These jobs will be executed with higher priority. | ||
| return jobs; | ||
| } | ||
|
|
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| /// <inheritdoc /> | ||
| public override bool Reduce(IList<IComputeJobResult<bool>> results) => results.All(r => r.Data); | ||
| } | ||
| // end::task-priority[] | ||
|
|
||
| private class MyUrgentJob : ComputeJobAdapter<bool> | ||
| { | ||
| public override bool Execute() => true; | ||
| } | ||
| } | ||
| } |
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134 changes: 134 additions & 0 deletions
134
.../java/org/apache/ignite/internal/processors/query/calcite/exec/exp/IgniteExpressions.java
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| Original file line number | Diff line number | Diff line change |
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| /* | ||
| * Licensed to the Apache Software Foundation (ASF) under one or more | ||
| * contributor license agreements. See the NOTICE file distributed with | ||
| * this work for additional information regarding copyright ownership. | ||
| * The ASF licenses this file to You 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 org.apache.ignite.internal.processors.query.calcite.exec.exp; | ||
|
|
||
| import java.lang.reflect.Type; | ||
| import java.math.BigDecimal; | ||
| import org.apache.calcite.linq4j.tree.Expression; | ||
| import org.apache.calcite.linq4j.tree.ExpressionType; | ||
| import org.apache.calcite.linq4j.tree.Expressions; | ||
| import org.apache.calcite.linq4j.tree.Primitive; | ||
| import org.apache.calcite.runtime.SqlFunctions; | ||
| import org.apache.ignite.internal.processors.query.calcite.util.IgniteMath; | ||
| import org.jetbrains.annotations.Nullable; | ||
|
|
||
| /** Calcite liq4j expressions customized for Ignite. */ | ||
| public class IgniteExpressions { | ||
| /** Make binary expression with arithmetic operations override. */ | ||
| public static Expression makeBinary(ExpressionType binaryType, Expression left, Expression right) { | ||
| switch (binaryType) { | ||
| case Add: | ||
| return addExact(left, right); | ||
| case Subtract: | ||
| return subtractExact(left, right); | ||
| case Multiply: | ||
| return multiplyExact(left, right); | ||
| case Divide: | ||
| return divideExact(left, right); | ||
| default: | ||
| return Expressions.makeBinary(binaryType, left, right); | ||
| } | ||
| } | ||
|
|
||
| /** Make unary expression with arithmetic operations override. */ | ||
| public static Expression makeUnary(ExpressionType unaryType, Expression operand) { | ||
| switch (unaryType) { | ||
| case Negate: | ||
| case NegateChecked: | ||
| return negateExact(unaryType, operand); | ||
| default: | ||
| return Expressions.makeUnary(unaryType, operand); | ||
| } | ||
| } | ||
|
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||
| /** Generate expression for method IgniteMath.addExact() for integer subtypes. */ | ||
| public static Expression addExact(Expression left, Expression right) { | ||
| if (larger(left.getType(), right.getType()).isFixedNumeric()) | ||
| return Expressions.call(IgniteMath.class, "addExact", left, right); | ||
|
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| return Expressions.makeBinary(ExpressionType.Add, left, right); | ||
| } | ||
|
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| /** Generate expression for method IgniteMath.subtractExact() for integer subtypes. */ | ||
| public static Expression subtractExact(Expression left, Expression right) { | ||
| if (larger(left.getType(), right.getType()).isFixedNumeric()) | ||
| return Expressions.call(IgniteMath.class, "subtractExact", left, right); | ||
|
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| return Expressions.makeBinary(ExpressionType.Subtract, left, right); | ||
| } | ||
|
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| /** Generate expression for method IgniteMath.multiplyExact() for integer subtypes. */ | ||
| public static Expression multiplyExact(Expression left, Expression right) { | ||
| if (larger(left.getType(), right.getType()).isFixedNumeric()) | ||
| return Expressions.call(IgniteMath.class, "multiplyExact", left, right); | ||
|
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| return Expressions.makeBinary(ExpressionType.Multiply, left, right); | ||
| } | ||
|
|
||
| /** Generate expression for method IgniteMath.divideExact() for integer subtypes. */ | ||
| public static Expression divideExact(Expression left, Expression right) { | ||
| if (larger(left.getType(), right.getType()).isFixedNumeric()) | ||
| return Expressions.call(IgniteMath.class, "divideExact", left, right); | ||
|
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| return Expressions.makeBinary(ExpressionType.Divide, left, right); | ||
| } | ||
|
|
||
| /** Generate expression for method IgniteMath.negateExact() for integer subtypes. */ | ||
| private static Expression negateExact(ExpressionType unaryType, Expression operand) { | ||
| assert unaryType == ExpressionType.Negate || unaryType == ExpressionType.NegateChecked; | ||
|
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| Type opType = operand.getType(); | ||
|
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| if (opType == Integer.TYPE || opType == Long.TYPE || opType == Short.TYPE || opType == Byte.TYPE) | ||
| return Expressions.call(IgniteMath.class, "negateExact", operand); | ||
|
|
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| return Expressions.makeUnary(unaryType, operand); | ||
| } | ||
|
|
||
| /** Generate expression for conversion from numeric primitive to numeric primitive with bounds check. */ | ||
| public static Expression convertChecked(Expression exp, Primitive fromPrimitive, Primitive toPrimitive) { | ||
| if (fromPrimitive.ordinal() <= toPrimitive.ordinal() || !toPrimitive.isFixedNumeric()) | ||
| return Expressions.convert_(exp, toPrimitive.primitiveClass); | ||
|
|
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| return Expressions.call(IgniteMath.class, "convertTo" + | ||
| SqlFunctions.initcap(toPrimitive.primitiveName) + "Exact", exp); | ||
| } | ||
|
|
||
| /** Generate expression for conversion from string to numeric primitive with bounds check. */ | ||
| public static Expression parseStringChecked(Expression exp, Primitive toPrimitive) { | ||
| return Expressions.call(IgniteMath.class, "convertTo" + | ||
| SqlFunctions.initcap(toPrimitive.primitiveName) + "Exact", Expressions.new_(BigDecimal.class, exp)); | ||
| } | ||
|
|
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| /** Generate expression for conversion from Number to numeric primitive with bounds check. */ | ||
| public static Expression unboxChecked(Expression exp, @Nullable Primitive fromBox, Primitive toPrimitive) { | ||
| if ((fromBox != null && fromBox.ordinal() <= toPrimitive.ordinal()) || !toPrimitive.isFixedNumeric()) | ||
| return Expressions.unbox(exp, toPrimitive); | ||
|
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| return Expressions.call(IgniteMath.class, "convertTo" + | ||
| SqlFunctions.initcap(toPrimitive.primitiveName) + "Exact", exp); | ||
| } | ||
|
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| /** Find larger in type hierarchy. */ | ||
| private static Primitive larger(Type type0, Type type1) { | ||
| Primitive primitive0 = Primitive.ofBoxOr(type0); | ||
| Primitive primitive1 = Primitive.ofBoxOr(type1); | ||
|
|
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| return primitive0.ordinal() > primitive1.ordinal() ? primitive0 : primitive1; | ||
| } | ||
| } |
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