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Initial check in. The Queryable and Enumeration APIs are completed, a…

…lthough only a few methods are implemented. Tests pass for simple calls to select, where, and selectMany.
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1 parent 6d21837 commit ab31757589ed2423abe6a9454edafb5e77e69ffd @julianhyde committed
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  1. +2 −0 .gitignore
  2. +1 −0 .idea/.name
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  4. +21 −0 .idea/compiler.xml
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  14. +202 −0 LICENSE
  15. +17 −0 NOTICE
  16. +16 −0 linq4j.iml
  17. +53 −0 pom.xml
  18. +36 −0 src/main/java/net/hydromatic/linq4j/AbstractEnumerable.java
  19. +34 −0 src/main/java/net/hydromatic/linq4j/AbstractEnumerable2.java
  20. +34 −0 src/main/java/net/hydromatic/linq4j/AbstractQueryable.java
  21. +702 −0 src/main/java/net/hydromatic/linq4j/DefaultEnumerable.java
  22. +496 −0 src/main/java/net/hydromatic/linq4j/DefaultQueryable.java
  23. +52 −0 src/main/java/net/hydromatic/linq4j/Enumerable.java
  24. +122 −0 src/main/java/net/hydromatic/linq4j/Enumerator.java
  25. +662 −0 src/main/java/net/hydromatic/linq4j/ExtendedEnumerable.java
  26. +533 −0 src/main/java/net/hydromatic/linq4j/ExtendedQueryable.java
  27. +1,489 −0 src/main/java/net/hydromatic/linq4j/Extensions.java
  28. +30 −0 src/main/java/net/hydromatic/linq4j/Grouping.java
  29. +29 −0 src/main/java/net/hydromatic/linq4j/MultiMap.java
  30. +24 −0 src/main/java/net/hydromatic/linq4j/QueryProvider.java
  31. +43 −0 src/main/java/net/hydromatic/linq4j/Queryable.java
  32. +27 −0 src/main/java/net/hydromatic/linq4j/expressions/BinaryExpression.java
  33. +28 −0 src/main/java/net/hydromatic/linq4j/expressions/BlockExpression.java
  34. +25 −0 src/main/java/net/hydromatic/linq4j/expressions/CallSiteBinder.java
  35. +24 −0 src/main/java/net/hydromatic/linq4j/expressions/CatchBlock.java
  36. +27 −0 src/main/java/net/hydromatic/linq4j/expressions/ConditionalExpression.java
  37. +27 −0 src/main/java/net/hydromatic/linq4j/expressions/ConstantExpression.java
  38. +27 −0 src/main/java/net/hydromatic/linq4j/expressions/DefaultExpression.java
  39. +27 −0 src/main/java/net/hydromatic/linq4j/expressions/DynamicExpression.java
  40. +25 −0 src/main/java/net/hydromatic/linq4j/expressions/ElementInit.java
  41. +50 −0 src/main/java/net/hydromatic/linq4j/expressions/Expression.java
  42. +371 −0 src/main/java/net/hydromatic/linq4j/expressions/ExpressionType.java
  43. +24 −0 src/main/java/net/hydromatic/linq4j/expressions/ExpressionVisitor.java
  44. +1,511 −0 src/main/java/net/hydromatic/linq4j/expressions/Expressions.java
  45. +30 −0 src/main/java/net/hydromatic/linq4j/expressions/FunctionExpression.java
  46. +31 −0 src/main/java/net/hydromatic/linq4j/expressions/GotoExpression.java
  47. +37 −0 src/main/java/net/hydromatic/linq4j/expressions/GotoExpressionKind.java
  48. +27 −0 src/main/java/net/hydromatic/linq4j/expressions/IndexExpression.java
  49. +28 −0 src/main/java/net/hydromatic/linq4j/expressions/InvocationExpression.java
  50. +34 −0 src/main/java/net/hydromatic/linq4j/expressions/LabelExpression.java
  51. +24 −0 src/main/java/net/hydromatic/linq4j/expressions/LabelTarget.java
  52. +30 −0 src/main/java/net/hydromatic/linq4j/expressions/LambdaExpression.java
  53. +27 −0 src/main/java/net/hydromatic/linq4j/expressions/ListInitExpression.java
  54. +27 −0 src/main/java/net/hydromatic/linq4j/expressions/LoopExpression.java
  55. +24 −0 src/main/java/net/hydromatic/linq4j/expressions/MemberAssignment.java
  56. +25 −0 src/main/java/net/hydromatic/linq4j/expressions/MemberBinding.java
  57. +27 −0 src/main/java/net/hydromatic/linq4j/expressions/MemberExpression.java
  58. +28 −0 src/main/java/net/hydromatic/linq4j/expressions/MemberInitExpression.java
  59. +25 −0 src/main/java/net/hydromatic/linq4j/expressions/MemberListBinding.java
  60. +24 −0 src/main/java/net/hydromatic/linq4j/expressions/MemberMemberBinding.java
  61. +27 −0 src/main/java/net/hydromatic/linq4j/expressions/MethodCallExpression.java
  62. +28 −0 src/main/java/net/hydromatic/linq4j/expressions/NewArrayExpression.java
  63. +27 −0 src/main/java/net/hydromatic/linq4j/expressions/NewExpression.java
  64. +27 −0 src/main/java/net/hydromatic/linq4j/expressions/ParameterExpression.java
  65. +24 −0 src/main/java/net/hydromatic/linq4j/expressions/SwitchCase.java
  66. +28 −0 src/main/java/net/hydromatic/linq4j/expressions/SwitchExpression.java
  67. +27 −0 src/main/java/net/hydromatic/linq4j/expressions/TryExpression.java
  68. +27 −0 src/main/java/net/hydromatic/linq4j/expressions/TypeBinaryExpression.java
  69. +27 −0 src/main/java/net/hydromatic/linq4j/expressions/UnaryExpression.java
  70. +25 −0 src/main/java/net/hydromatic/linq4j/function/BigDecimalFunction1.java
  71. +25 −0 src/main/java/net/hydromatic/linq4j/function/DoubleFunction1.java
  72. +25 −0 src/main/java/net/hydromatic/linq4j/function/EqualityComparer.java
  73. +25 −0 src/main/java/net/hydromatic/linq4j/function/FloatFunction1.java
  74. +29 −0 src/main/java/net/hydromatic/linq4j/function/Function.java
  75. +29 −0 src/main/java/net/hydromatic/linq4j/function/Function0.java
  76. +30 −0 src/main/java/net/hydromatic/linq4j/function/Function1.java
  77. +31 −0 src/main/java/net/hydromatic/linq4j/function/Function2.java
  78. +25 −0 src/main/java/net/hydromatic/linq4j/function/IntegerFunction1.java
  79. +25 −0 src/main/java/net/hydromatic/linq4j/function/LongFunction1.java
  80. +29 −0 src/main/java/net/hydromatic/linq4j/function/NullableBigDecimalFunction1.java
  81. +24 −0 src/main/java/net/hydromatic/linq4j/function/NullableDoubleFunction1.java
  82. +24 −0 src/main/java/net/hydromatic/linq4j/function/NullableFloatFunction1.java
  83. +24 −0 src/main/java/net/hydromatic/linq4j/function/NullableIntegerFunction1.java
  84. +24 −0 src/main/java/net/hydromatic/linq4j/function/NullableLongFunction1.java
  85. +27 −0 src/main/java/net/hydromatic/linq4j/function/Predicate1.java
  86. +131 −0 src/test/java/net/hydromatic/linq4j/test/Linq4jTest.java
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View
202 LICENSE
@@ -0,0 +1,202 @@
+
+ Apache License
+ Version 2.0, January 2004
+ http://www.apache.org/licenses/
+
+ TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION
+
+ 1. Definitions.
+
+ "License" shall mean the terms and conditions for use, reproduction,
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+ direction or management of such entity, whether by contract or
+ otherwise, or (ii) ownership of fifty percent (50%) or more of the
+ outstanding shares, or (iii) beneficial ownership of such entity.
+
+ "You" (or "Your") shall mean an individual or Legal Entity
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+
+ "Work" shall mean the work of authorship, whether in Source or
+ Object form, made available under the License, as indicated by a
+ copyright notice that is included in or attached to the work
+ (an example is provided in the Appendix below).
+
+ "Derivative Works" shall mean any work, whether in Source or Object
+ form, that is based on (or derived from) the Work and for which the
+ editorial revisions, annotations, elaborations, or other modifications
+ represent, as a whole, an original work of authorship. For the purposes
+ of this License, Derivative Works shall not include works that remain
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+ the Work and Derivative Works thereof.
+
+ "Contribution" shall mean any work of authorship, including
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+
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View
17 NOTICE
@@ -0,0 +1,17 @@
+linq4j
+Copyright (C) 2012-2012, Julian Hyde
+
+This product includes software developed by Julian Hyde
+(http://www.hydromatic.net).
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this software 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.
View
16 linq4j.iml
@@ -0,0 +1,16 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module org.jetbrains.idea.maven.project.MavenProjectsManager.isMavenModule="true" type="JAVA_MODULE" version="4">
+ <component name="NewModuleRootManager" inherit-compiler-output="false">
+ <output url="file://$MODULE_DIR$/target/classes" />
+ <output-test url="file://$MODULE_DIR$/target/test-classes" />
+ <content url="file://$MODULE_DIR$">
+ <sourceFolder url="file://$MODULE_DIR$/src/main/java" isTestSource="false" />
+ <sourceFolder url="file://$MODULE_DIR$/src/test/java" isTestSource="true" />
+ <excludeFolder url="file://$MODULE_DIR$/target" />
+ </content>
+ <orderEntry type="inheritedJdk" />
+ <orderEntry type="sourceFolder" forTests="false" />
+ <orderEntry type="library" scope="TEST" name="Maven: junit:junit:3.8.1" level="project" />
+ </component>
+</module>
+
View
53 pom.xml
@@ -0,0 +1,53 @@
+<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+ xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd">
+ <modelVersion>4.0.0</modelVersion>
+
+ <groupId>net.hydromatic</groupId>
+ <artifactId>linq4j</artifactId>
+ <version>1.0-SNAPSHOT</version>
+ <packaging>jar</packaging>
+
+ <name>linq4j</name>
+ <description>linq4j is a port of LINQ (Language-Integrated Query) to Java</description>
+ <url>http://github.com/julianhyde/linq4j</url>
+ <inceptionYear>2012</inceptionYear>
+ <organization>
+ <name>Julian Hyde</name>
+ <url>http://www.hydromatic.net</url>
+ </organization>
+ <licenses>
+ <license>
+ <name>Apache 2</name>
+ <url>http://www.apache.org/licenses/LICENSE-2.0.txt</url>
+ </license>
+ </licenses>
+
+ <developers>
+ <developer>
+ <id>julianhyde</id>
+ <name>Julian Hyde</name>
+ <email>jhyde@pentaho.com</email>
+ <url>http://www.hydromatic.net</url>
+ <roles>
+ <role>architect</role>
+ <role>developer</role>
+ </roles>
+ <timezone>-8</timezone>
+ <properties>
+ <picUrl>http://www.hydromatic.net/jhyde-headshot7-512x512.jpg</picUrl>
+ </properties>
+ </developer>
+ </developers>
+ <properties>
+ <project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
+ </properties>
+
+ <dependencies>
+ <dependency>
+ <groupId>junit</groupId>
+ <artifactId>junit</artifactId>
+ <version>3.8.1</version>
+ <scope>test</scope>
+ </dependency>
+ </dependencies>
+</project>
View
36 src/main/java/net/hydromatic/linq4j/AbstractEnumerable.java
@@ -0,0 +1,36 @@
+/*
+// Licensed to Julian Hyde under one or more contributor license
+// agreements. See the NOTICE file distributed with this work for
+// additional information regarding copyright ownership.
+//
+// Julian Hyde 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 net.hydromatic.linq4j;
+
+import java.util.Iterator;
+
+/**
+ * Abstract implementation of the {@link Enumerable} interface that
+ * implements the extension methods.
+ *
+ * <p>It is helpful to derive from this class if you are implementing
+ * {@code Enumerable}, because {@code Enumerable} has so many extension methods,
+ * but it is not required.</p>
+ */
+public abstract class AbstractEnumerable<T> extends DefaultEnumerable<T> {
+ public Iterator<T> iterator() {
+ return Extensions.enumeratorIterator(enumerator());
+ }
+}
+
+// End AbstractEnumerable.java
View
34 src/main/java/net/hydromatic/linq4j/AbstractEnumerable2.java
@@ -0,0 +1,34 @@
+/*
+// Licensed to Julian Hyde under one or more contributor license
+// agreements. See the NOTICE file distributed with this work for
+// additional information regarding copyright ownership.
+//
+// Julian Hyde 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 net.hydromatic.linq4j;
+
+/**
+ * Abstract implementation of the {@link net.hydromatic.linq4j.Enumerable} interface that
+ * implements the extension methods.
+ *
+ * <p>It is helpful to derive from this class if you are implementing
+ * {@code Enumerable}, because {@code Enumerable} has so many extension methods,
+ * but it is not required.</p>
+ */
+public abstract class AbstractEnumerable2<T> extends DefaultEnumerable<T> {
+ public Enumerator<T> enumerator() {
+ return Extensions.iteratorEnumerator(iterator());
+ }
+}
+
+// End AbstractEnumerable.java
View
34 src/main/java/net/hydromatic/linq4j/AbstractQueryable.java
@@ -0,0 +1,34 @@
+/*
+// Licensed to Julian Hyde under one or more contributor license
+// agreements. See the NOTICE file distributed with this work for
+// additional information regarding copyright ownership.
+//
+// Julian Hyde 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 net.hydromatic.linq4j;
+
+/**
+ * Abstract implementation of the {@link Queryable} interface that implements
+ * the extension methods.
+ *
+ * <p>It is helpful to derive from this class if you are implementing
+ * {@code Queryable}, because {@code Queryable} has so many extension methods,
+ * but it is not required.</p>
+ */
+public abstract class AbstractQueryable<T>
+ extends DefaultQueryable<T>
+ implements Queryable<T>
+{
+}
+
+// End AbstractQueryable.java
View
702 src/main/java/net/hydromatic/linq4j/DefaultEnumerable.java
@@ -0,0 +1,702 @@
+/*
+// Licensed to Julian Hyde under one or more contributor license
+// agreements. See the NOTICE file distributed with this work for
+// additional information regarding copyright ownership.
+//
+// Julian Hyde 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 net.hydromatic.linq4j;
+
+import net.hydromatic.linq4j.function.*;
+
+import java.math.BigDecimal;
+import java.util.*;
+
+/**
+ * Implementation of the {@link net.hydromatic.linq4j.Enumerable} interface that
+ * implements the extension methods by calling into the {@link Extensions}
+ * class.
+ *
+ * <p>The are two abstract methods:
+ * {@link #enumerator()} and {@link #iterator()}.
+ * The derived class can implement each separately, or implement one in terms of
+ * the other.</p>
+ */
+abstract class DefaultEnumerable<T> implements Enumerable<T> {
+
+ /**
+ * Derived classes might wish to override this method to return the "outer"
+ * enumerable.
+ */
+ protected Enumerable<T> getThis() {
+ return this;
+ }
+
+ public Queryable<T> asQueryable() {
+ return Extensions.asQueryable(getThis());
+ }
+
+ public <T2> Enumerable<T2> cast(Class<T2> clazz) {
+ return Extensions.cast(getThis(), clazz);
+ }
+
+ public T aggregate(Function2<T, T, T> func) {
+ return Extensions.aggregate(getThis(), func);
+ }
+
+ public <TAccumulate> T aggregate(
+ TAccumulate seed, Function2<TAccumulate, T, TAccumulate> func)
+ {
+ return Extensions.aggregate(getThis(), seed, func);
+ }
+
+ public <TAccumulate, TResult> TResult aggregate(
+ TAccumulate seed,
+ Function2<TAccumulate, T, TAccumulate> func,
+ Function1<TAccumulate, TResult> selector)
+ {
+ return Extensions.aggregate(getThis(), seed, func, selector);
+ }
+
+ public boolean all(Predicate1<T> predicate) {
+ return Extensions.all(getThis(), predicate);
+ }
+
+ public boolean any() {
+ return Extensions.any(getThis());
+ }
+
+ public boolean any(Predicate1<T> predicate) {
+ return Extensions.any(getThis(), predicate);
+ }
+
+ public Enumerable<T> asEnumerable() {
+ return Extensions.asEnumerable(getThis());
+ }
+
+ public BigDecimal average(BigDecimalFunction1<T> selector) {
+ return Extensions.averageDecimal(getThis(), selector);
+ }
+
+ public BigDecimal average(NullableBigDecimalFunction1<T> selector) {
+ return Extensions.average(getThis(), selector);
+ }
+
+ public double average(DoubleFunction1<T> selector) {
+ return Extensions.average(getThis(), selector);
+ }
+
+ public Double average(NullableDoubleFunction1<T> selector) {
+ return Extensions.average(getThis(), selector);
+ }
+
+ public int average(IntegerFunction1<T> selector) {
+ return Extensions.average(getThis(), selector);
+ }
+
+ public Integer average(NullableIntegerFunction1<T> selector) {
+ return Extensions.average(getThis(), selector);
+ }
+
+ public long average(LongFunction1<T> selector) {
+ return Extensions.average(getThis(), selector);
+ }
+
+ public Long average(NullableLongFunction1<T> selector) {
+ return Extensions.average(getThis(), selector);
+ }
+
+ public float average(FloatFunction1<T> selector) {
+ return Extensions.average(getThis(), selector);
+ }
+
+ public Float average(NullableFloatFunction1<T> selector) {
+ return Extensions.average(getThis(), selector);
+ }
+
+ public <TResult> Enumerable<TResult> cast() {
+ return Extensions.cast(getThis());
+ }
+
+ public Enumerable<T> concat(Enumerable<T> enumerable1) {
+ return Extensions.concat(getThis(), enumerable1);
+ }
+
+ public boolean contains(T element) {
+ return Extensions.contains(getThis(), element);
+ }
+
+ public boolean contains(T element, EqualityComparer comparer) {
+ return Extensions.contains(getThis(), element, comparer);
+ }
+
+ public int count() {
+ return Extensions.count(getThis());
+ }
+
+ public int count(Predicate1<T> predicate) {
+ return Extensions.count(getThis(), predicate);
+ }
+
+ public Enumerable<T> defaultIfEmpty() {
+ return Extensions.defaultIfEmpty(getThis());
+ }
+
+ public T defaultIfEmpty(T value) {
+ return Extensions.defaultIfEmpty(getThis(), value);
+ }
+
+ public Enumerable<T> distinct() {
+ return Extensions.distinct(getThis());
+ }
+
+ public Enumerable<T> distinct(
+ EqualityComparer comparer)
+ {
+ return Extensions.distinct(getThis(), comparer);
+ }
+
+ public T elementAt(int index) {
+ return Extensions.elementAt(getThis(), index);
+ }
+
+ public T elementAtOrDefault(int index) {
+ return Extensions.elementAtOrDefault(getThis(), index);
+ }
+
+ public Enumerable<T> except(Enumerable<T> enumerable1) {
+ return Extensions.except(getThis(), enumerable1);
+ }
+
+ public Enumerable<T> except(
+ Enumerable<T> enumerable1, EqualityComparer comparer)
+ {
+ return Extensions.except(getThis(), enumerable1, comparer);
+ }
+
+ public T first() {
+ return Extensions.first(getThis());
+ }
+
+ public T first(Predicate1<T> predicate) {
+ return Extensions.first(getThis(), predicate);
+ }
+
+ public T firstOrDefault() {
+ return Extensions.firstOrDefault(getThis());
+ }
+