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To add new module for Dubbo Event (#4099)
fixes #4096
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66 changes: 66 additions & 0 deletions
66
dubbo-common/src/main/java/org/apache/dubbo/common/function/ThrowableConsumer.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,66 @@ | ||
| /* | ||
| * 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.dubbo.common.function; | ||
|
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| import java.util.function.Consumer; | ||
| import java.util.function.Function; | ||
|
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| /** | ||
| * {@link Consumer} with {@link Throwable} | ||
| * | ||
| * @param <T> the source type | ||
| * @see Function | ||
| * @see Throwable | ||
| * @since 2.7.2 | ||
| */ | ||
| @FunctionalInterface | ||
| public interface ThrowableConsumer<T> { | ||
|
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| /** | ||
| * Applies this function to the given argument. | ||
| * | ||
| * @param t the function argument | ||
| * @throws Throwable if met with any error | ||
| */ | ||
| void accept(T t) throws Throwable; | ||
|
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| /** | ||
| * Executes {@link ThrowableConsumer} | ||
| * | ||
| * @param t the function argument | ||
| * @throws RuntimeException wrappers {@link Throwable} | ||
| */ | ||
| default void execute(T t) throws RuntimeException { | ||
| try { | ||
| accept(t); | ||
| } catch (Throwable e) { | ||
| throw new RuntimeException(e.getMessage(), e.getCause()); | ||
| } | ||
| } | ||
|
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| /** | ||
| * Executes {@link ThrowableConsumer} | ||
| * | ||
| * @param t the function argument | ||
| * @param consumer {@link ThrowableConsumer} | ||
| * @param <T> the source type | ||
| * @return the result after execution | ||
| */ | ||
| static <T> void execute(T t, ThrowableConsumer<T> consumer) { | ||
| consumer.execute(t); | ||
| } | ||
| } |
71 changes: 71 additions & 0 deletions
71
dubbo-common/src/main/java/org/apache/dubbo/common/function/ThrowableFunction.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| /* | ||
| * 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.dubbo.common.function; | ||
|
|
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| import java.util.function.Function; | ||
|
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| /** | ||
| * {@link Function} with {@link Throwable} | ||
| * | ||
| * @param <T> the source type | ||
| * @param <R> the return type | ||
| * @see Function | ||
| * @see Throwable | ||
| * @since 2.7.2 | ||
| */ | ||
| @FunctionalInterface | ||
| public interface ThrowableFunction<T, R> { | ||
|
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| /** | ||
| * Applies this function to the given argument. | ||
| * | ||
| * @param t the function argument | ||
| * @return the function result | ||
| * @throws Throwable if met with any error | ||
| */ | ||
| R apply(T t) throws Throwable; | ||
|
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| /** | ||
| * Executes {@link ThrowableFunction} | ||
| * | ||
| * @param t the function argument | ||
| * @return the function result | ||
| * @throws RuntimeException wrappers {@link Throwable} | ||
| */ | ||
| default R execute(T t) throws RuntimeException { | ||
| R result = null; | ||
| try { | ||
| result = apply(t); | ||
| } catch (Throwable e) { | ||
| throw new RuntimeException(e.getCause()); | ||
| } | ||
| return result; | ||
| } | ||
|
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||
| /** | ||
| * Executes {@link ThrowableFunction} | ||
| * | ||
| * @param t the function argument | ||
| * @param function {@link ThrowableFunction} | ||
| * @param <T> the source type | ||
| * @param <R> the return type | ||
| * @return the result after execution | ||
| */ | ||
| static <T, R> R execute(T t, ThrowableFunction<T, R> function) { | ||
| return function.execute(t); | ||
| } | ||
| } |
71 changes: 71 additions & 0 deletions
71
dubbo-common/src/main/java/org/apache/dubbo/common/utils/DefaultPage.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| /* | ||
| * 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.dubbo.common.utils; | ||
|
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| import java.io.Serializable; | ||
| import java.util.List; | ||
|
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| /** | ||
| * The default implementation of {@link Page} | ||
| * | ||
| * @since 2.7.2 | ||
| */ | ||
| public class DefaultPage<T> implements Page<T>, Serializable { | ||
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| private static final long serialVersionUID = 1099331838954070419L; | ||
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| private final int requestOffset; | ||
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| private final int requestSize; | ||
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| private int totalSize; | ||
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| private List<T> data; | ||
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| public DefaultPage(int requestOffset, int requestSize) { | ||
| this.requestOffset = requestOffset; | ||
| this.requestSize = requestSize; | ||
| } | ||
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| @Override | ||
| public int getRequestOffset() { | ||
| return requestOffset; | ||
| } | ||
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| @Override | ||
| public int getRequestSize() { | ||
| return requestSize; | ||
| } | ||
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| @Override | ||
| public int getTotalSize() { | ||
| return totalSize; | ||
| } | ||
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| public void setTotalSize(int totalSize) { | ||
| this.totalSize = totalSize; | ||
| } | ||
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| @Override | ||
| public List<T> getData() { | ||
| return data; | ||
| } | ||
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| public void setData(List<T> data) { | ||
| this.data = data; | ||
| } | ||
| } |
73 changes: 73 additions & 0 deletions
73
dubbo-common/src/main/java/org/apache/dubbo/common/utils/Page.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,73 @@ | ||
| /* | ||
| * 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.dubbo.common.utils; | ||
|
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| import java.util.List; | ||
|
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| /** | ||
| * The model class of pagination | ||
| * | ||
| * @since 2.7.2 | ||
| */ | ||
| public interface Page<T> { | ||
|
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| /** | ||
| * Gets the offset of request | ||
| * | ||
| * @return positive integer | ||
| */ | ||
| int getRequestOffset(); | ||
|
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| /** | ||
| * Gets the size of request for query | ||
| * | ||
| * @return positive integer | ||
| */ | ||
| int getRequestSize(); | ||
|
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| /** | ||
| * Returns the total amount of elements. | ||
| * | ||
| * @return the total amount of elements | ||
| */ | ||
| int getTotalSize(); | ||
|
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| /** | ||
| * The data of current page | ||
| * | ||
| * @return non-null {@link List} | ||
| */ | ||
| List<T> getData(); | ||
|
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| /** | ||
| * The size of {@link #getData() data} | ||
| * | ||
| * @return positive integer | ||
| */ | ||
| default int getDataSize() { | ||
| return getData().size(); | ||
| } | ||
|
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| /** | ||
| * Returns whether the page has data at all. | ||
| * | ||
| * @return | ||
| */ | ||
| default boolean hasData() { | ||
| return getDataSize() > 0; | ||
| } | ||
| } |
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