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package eu.dnetlib.index;
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import java.util.Map;
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import com.google.common.collect.Maps;
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import org.springframework.beans.BeansException;
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import org.springframework.beans.factory.BeanFactory;
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import org.springframework.beans.factory.BeanFactoryAware;
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import org.springframework.beans.factory.ListableBeanFactory;
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/**
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* The Class IndexBackendEnumerator.
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*/
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public class IndexBackendEnumerator implements BeanFactoryAware {
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/**
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* The bean factory.
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*/
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private ListableBeanFactory beanFactory;
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/**
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* Gets the all.
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*
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* @return the all
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*/
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public Map<String, IndexBackendDescriptor> getAll() {
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return beanFactory.getBeansOfType(IndexBackendDescriptor.class);
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}
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/**
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* Gets the bean factory.
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*
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* @return the beanFactory
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*/
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public ListableBeanFactory getBeanFactory() {
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return beanFactory;
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}
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/**
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* {@inheritDoc}
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*
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* @see BeanFactoryAware#setBeanFactory(BeanFactory)
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*/
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@Override
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public void setBeanFactory(final BeanFactory beanFactory) throws BeansException {
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this.beanFactory = (ListableBeanFactory) beanFactory;
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}
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/**
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* Gets the all protocols.
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*
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* @return the all protocols
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*/
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public Map<String, String> getAllProtocols() {
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final Map<String, String> res = Maps.newHashMap();
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for (IndexBackendDescriptor desc : getAll().values()) {
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String id = desc.getEndpoint().get(IndexBackendDescriptor.ID);
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String address = desc.getEndpoint().get(IndexBackendDescriptor.ADDRESS);
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res.put(id, address);
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}
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return res;
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}
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/**
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* Gets the all service properties.
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*
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* @return the all service properties
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*/
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public Map<String, String> getAllServiceProperties() {
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final Map<String, String> res = Maps.newHashMap();
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for (IndexBackendDescriptor desc : getAll().values()) {
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String name = desc.getEndpoint().get(IndexBackendDescriptor.ID);
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if (name == null) throw new IllegalStateException("Missing field name");
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Map<String, String> currentProp = desc.getServiceProperties();
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for (String key : currentProp.keySet()) {
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// Append Prefix Name to each property key
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res.put(name + ":" + key, currentProp.get(key));
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}
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}
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return res;
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}
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@SuppressWarnings("unchecked")
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public <T extends IndexBackendDescriptor> T getDescriptor(final String identifier) {
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// TODO implement a faster access to the IndexBackendDescriptor
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for (IndexBackendDescriptor desc : getAll().values()) {
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String name = desc.getEndpoint().get(IndexBackendDescriptor.ID);
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if (name.equals(identifier)) return (T) desc;
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}
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return null;
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}
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}
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