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Generate a basic HollowAPIFactory implementation as part of a generat…
…ed API
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hollow/src/main/java/com/netflix/hollow/api/codegen/HollowAPIFactoryJavaGenerator.java
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| /* | ||
| * | ||
| * Copyright 2016 Netflix, Inc. | ||
| * | ||
| * 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.netflix.hollow.api.codegen; | ||
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| import com.netflix.hollow.api.client.HollowAPIFactory; | ||
| import com.netflix.hollow.api.custom.HollowAPI; | ||
| import com.netflix.hollow.api.objects.provider.HollowFactory; | ||
| import com.netflix.hollow.core.read.dataaccess.HollowDataAccess; | ||
| import java.util.Collections; | ||
| import java.util.Set; | ||
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|
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| /** | ||
| * This class contains template logic for generating a {@link HollowAPIFactory} implementation. Not intended for external consumption. | ||
| * | ||
| * @see HollowAPIGenerator | ||
| * | ||
| */ | ||
| public class HollowAPIFactoryJavaGenerator implements HollowJavaFileGenerator { | ||
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| private final String packageName; | ||
| private final String className; | ||
| private final String apiClassname; | ||
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| public HollowAPIFactoryJavaGenerator(String packageName, String apiClassname) { | ||
| this.packageName = packageName; | ||
| this.apiClassname = apiClassname; | ||
| this.className = apiClassname + "Factory"; | ||
| } | ||
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| @Override | ||
| public String getClassName() { | ||
| return className; | ||
| } | ||
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| @Override | ||
| public String generate() { | ||
| StringBuilder builder = new StringBuilder(); | ||
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| if(!"".equals(packageName)) { | ||
| builder.append("package ").append(packageName).append(";\n\n"); | ||
| } | ||
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| builder.append("import ").append(HollowAPIFactory.class.getName()).append(";\n"); | ||
| builder.append("import ").append(HollowAPI.class.getName()).append(";\n"); | ||
| builder.append("import ").append(HollowFactory.class.getName()).append(";\n"); | ||
| builder.append("import ").append(HollowDataAccess.class.getName()).append(";\n"); | ||
| builder.append("import ").append(Collections.class.getName()).append(";\n"); | ||
| builder.append("import ").append(Set.class.getName()).append(";\n"); | ||
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| builder.append("\npublic class ").append(className).append(" implements HollowAPIFactory {\n\n"); | ||
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| builder.append(" private final Set<String> cachedTypes;\n\n"); | ||
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| builder.append(" public ").append(className).append("() {\n"); | ||
| builder.append(" this(Collections.<String>emptySet());\n"); | ||
| builder.append(" }\n\n"); | ||
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| builder.append(" public ").append(className).append("(Set<String> cachedTypes) {\n"); | ||
| builder.append(" this.cachedTypes = cachedTypes;\n"); | ||
| builder.append(" }\n\n"); | ||
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| builder.append(" @Override\n"); | ||
| builder.append(" public HollowAPI createAPI(HollowDataAccess dataAccess) {\n"); | ||
| builder.append(" return new ").append(apiClassname).append("(dataAccess);\n"); | ||
| builder.append(" }\n\n"); | ||
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| builder.append(" @Override\n"); | ||
| builder.append(" public HollowAPI createAPI(HollowDataAccess dataAccess, HollowAPI previousCycleAPI) {\n"); | ||
| builder.append(" return new ").append(apiClassname).append("(dataAccess, cachedTypes, Collections.<String, HollowFactory<?>>emptyMap(), (").append(apiClassname).append(") previousCycleAPI);\n"); | ||
| builder.append(" }\n\n"); | ||
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| builder.append("}"); | ||
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| return builder.toString(); | ||
| } | ||
|
|
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| } |
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