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/*-
* ============LICENSE_START=======================================================
* org.openecomp.aai
* ================================================================================
* Copyright (C) 2017 AT&T Intellectual Property. All rights reserved.
* ================================================================================
* 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.
* ============LICENSE_END=========================================================
*/
package org.openecomp.aai.introspection.sideeffect;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.InvocationTargetException;
import java.net.URISyntaxException;
import java.util.LinkedHashSet;
import java.util.Set;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.openecomp.aai.exceptions.AAIException;
import org.openecomp.aai.introspection.Introspector;
import org.openecomp.aai.serialization.db.DBSerializer;
import org.openecomp.aai.serialization.engines.TransactionalGraphEngine;
public class SideEffectRunner {
protected final TransactionalGraphEngine dbEngine;
protected final DBSerializer serializer;
protected final Set<Class<? extends SideEffect>> sideEffects;
protected SideEffectRunner(Builder builder) {
this.dbEngine = builder.getDbEngine();
this.serializer = builder.getSerializer();
this.sideEffects = builder.getSideEffects();
}
public void execute(Introspector obj, Vertex self) throws AAIException {
for (Class<? extends SideEffect> se : sideEffects) {
try {
se.getConstructor(Introspector.class, Vertex.class, TransactionalGraphEngine.class, DBSerializer.class)
.newInstance(obj, self, dbEngine, serializer).execute();
} catch (UnsupportedEncodingException | InstantiationException | IllegalAccessException
| IllegalArgumentException | InvocationTargetException | NoSuchMethodException | SecurityException
| URISyntaxException e) {
throw new AAIException("strange exception", e);
}
}
}
public static class Builder {
private final TransactionalGraphEngine dbEngine;
private final DBSerializer serializer;
private final Set<Class<? extends SideEffect>> sideEffects;
public Builder(final TransactionalGraphEngine dbEngine, final DBSerializer serializer) {
this.dbEngine = dbEngine;
this.serializer = serializer;
this.sideEffects = new LinkedHashSet<>();
}
public Builder addSideEffect(Class<? extends SideEffect> se) {
sideEffects.add(se);
return this;
}
public Builder addSideEffects(Class<? extends SideEffect>... sideEffects) {
for (Class<? extends SideEffect> se : sideEffects) {
this.addSideEffect(se);
}
return this;
}
public SideEffectRunner build() {
return new SideEffectRunner(this);
}
protected TransactionalGraphEngine getDbEngine() {
return dbEngine;
}
protected DBSerializer getSerializer() {
return serializer;
}
protected Set<Class<? extends SideEffect>> getSideEffects() {
return sideEffects;
}
}
}
|
