/*
* Copyright © 2014 Cask Data, 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 co.cask.cdap.internal.procedure;
import co.cask.cdap.api.ResourceSpecification;
import co.cask.cdap.api.procedure.Procedure;
import co.cask.cdap.api.procedure.ProcedureSpecification;
import co.cask.cdap.internal.lang.Reflections;
import co.cask.cdap.internal.specification.DataSetFieldExtractor;
import co.cask.cdap.internal.specification.PropertyFieldExtractor;
import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableSet;
import com.google.common.collect.Maps;
import com.google.common.collect.Sets;
import com.google.common.reflect.TypeToken;
import java.util.Map;
import java.util.Set;
/**
*
*/
public final class DefaultProcedureSpecification implements ProcedureSpecification {
private final String className;
private final String name;
private final String description;
private final Set<String> dataSets;
private final Map<String, String> properties;
private final ResourceSpecification resources;
private final int instances;
public DefaultProcedureSpecification(String name, String description,
Set<String> dataSets, Map<String, String> properties,
ResourceSpecification resources) {
this(null, name, description, dataSets, properties, resources);
}
public DefaultProcedureSpecification(Procedure procedure, int instances) {
ProcedureSpecification configureSpec = procedure.configure();
Set<String> dataSets = Sets.newHashSet(configureSpec.getDataSets());
Map<String, String> properties = Maps.newHashMap(configureSpec.getProperties());
Reflections.visit(procedure, TypeToken.of(procedure.getClass()),
new PropertyFieldExtractor(properties),
new DataSetFieldExtractor(dataSets));
this.className = procedure.getClass().getName();
this.name = configureSpec.getName();
this.description = configureSpec.getDescription();
this.dataSets = ImmutableSet.copyOf(dataSets);
this.properties = ImmutableMap.copyOf(properties);
this.resources = configureSpec.getResources();
this.instances = instances;
}
public DefaultProcedureSpecification(String className, String name, String description,
Set<String> dataSets, Map<String, String> properties,
ResourceSpecification resources) {
this(className, name, description, dataSets, properties, resources, 1);
}
public DefaultProcedureSpecification(String className, String name, String description,
Set<String> dataSets, Map<String, String> properties,
ResourceSpecification resources, int instances) {
this.className = className;
this.name = name;
this.description = description;
this.dataSets = ImmutableSet.copyOf(dataSets);
this.properties = properties == null ? ImmutableMap.<String, String>of() : ImmutableMap.copyOf(properties);
this.resources = resources;
this.instances = instances;
}
@Override
public String getClassName() {
return className;
}
@Override
public String getName() {
return name;
}
@Override
public String getDescription() {
return description;
}
@Override
public Set<String> getDataSets() {
return dataSets;
}
@Override
public Map<String, String> getProperties() {
return properties;
}
@Override
public String getProperty(String key) {
return properties.get(key);
}
@Override
public ResourceSpecification getResources() {
return resources;
}
@Override
public int getInstances() {
return instances;
}
}