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Refator - move calls behind service facade, add NarLoaderHoader and i…
…nject to NarManager
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39 changes: 39 additions & 0 deletions
39
...mework/nifi-framework-core/src/main/java/org/apache/nifi/spring/NarLoaderFactoryBean.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,39 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
|
|
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| package org.apache.nifi.spring; | ||
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| import org.apache.nifi.nar.NarLoader; | ||
| import org.apache.nifi.nar.NarLoaderHolder; | ||
| import org.springframework.beans.factory.FactoryBean; | ||
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| /** | ||
| * Factory bean that provides the NarLoader instance from the holder. | ||
| */ | ||
| public class NarLoaderFactoryBean implements FactoryBean<NarLoader> { | ||
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| @Override | ||
| public NarLoader getObject() throws Exception { | ||
| return NarLoaderHolder.getNarLoader(); | ||
| } | ||
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| @Override | ||
| public Class<?> getObjectType() { | ||
| return NarLoader.class; | ||
| } | ||
|
|
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| } |
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54 changes: 54 additions & 0 deletions
54
...k/nifi-framework-nar-loading-utils/src/main/java/org/apache/nifi/nar/NarLoaderHolder.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| /* | ||
| * 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. | ||
| */ | ||
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| package org.apache.nifi.nar; | ||
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| public class NarLoaderHolder { | ||
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| private static volatile NarLoader INSTANCE; | ||
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| public static void init(final NarLoader narLoader) { | ||
| if (INSTANCE == null) { | ||
| synchronized (NarLoader.class) { | ||
| if (INSTANCE == null) { | ||
| INSTANCE = narLoader; | ||
| } else { | ||
| throw new IllegalStateException("Cannot reinitialize NarLoaderHolder"); | ||
| } | ||
| } | ||
| } else { | ||
| throw new IllegalStateException("Cannot reinitialize NarLoaderHolder"); | ||
| } | ||
| } | ||
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| public static NarLoader getNarLoader() { | ||
| if (INSTANCE == null) { | ||
| synchronized (NarLoader.class) { | ||
| if (INSTANCE == null) { | ||
| throw new IllegalStateException("NarLoaderHolder was never initialized"); | ||
| } | ||
| } | ||
| } | ||
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| return INSTANCE; | ||
| } | ||
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| // Private access | ||
| private NarLoaderHolder() { | ||
|
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| } | ||
| } |
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