226 lines
4.9 KiB
Java
226 lines
4.9 KiB
Java
package eu.dnetlib.enabling.is.sn.resourcestate;
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import java.io.StringReader;
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import javax.persistence.Column;
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import javax.persistence.Entity;
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import javax.persistence.Id;
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import javax.persistence.Table;
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import javax.xml.transform.stream.StreamSource;
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import javax.xml.ws.EndpointReference;
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import javax.xml.ws.wsaddressing.W3CEndpointReference;
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import eu.dnetlib.enabling.is.sn.SubscriptionRequest;
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import org.apache.commons.lang3.builder.EqualsBuilder;
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import org.apache.commons.lang3.builder.HashCodeBuilder;
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/**
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* This class describes a ResourceState subscription, i.e. a subscription that is registered on a topic that depends on
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* some xpath on some resource, and which is triggered when the value of this xpath changes.
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*
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* Topics of this type could not be there.
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*
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* @author marko
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*
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*/
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@Entity(name = "subscriptions")
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@Table(name = "subscriptions")
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public class ResourceStateSubscription {
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/**
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* hash seed.
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*/
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private static final int HASH_SEED_2 = 59;
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/**
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* hash seed.
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*/
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private static final int HASH_SEED = 47;
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/**
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* create topic prefix.
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*/
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public static final String PREFIX_CREATE = "CREATE";
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/**
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* delete topic prefix.
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*/
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public static final String PREFIX_DELETE = "DELETE";
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/**
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* update topic prefix.
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*/
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public static final String PREFIX_UPDATE = "UPDATE";
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/**
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* pending create topic prefix.
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*/
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public static final String PREFIX_PENDING_CREATE = "PENDING_CREATE";
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/**
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* pending delete topic prefix.
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*/
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public static final String PREFIX_PENDING_DELETE = "PENDING_DELETE";
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/**
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* pending update topic prefix.
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*/
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public static final String PREFIX_PENDING_UPDATE = "PENDING_UPDATE";
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/**
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* subscription identifier.
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*/
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@Id
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@Column(name = "subscriptionid")
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private String subscriptionId;
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/**
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* prefix: crude.
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*/
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@Column(name = "prefix")
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private String prefix;
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/**
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* resource type.
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*/
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@Column(name = "type")
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private String type;
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/**
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* resource id.
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*/
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@Column(name = "resourceid")
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private String resourceId;
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/**
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* xpath.
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*/
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@Column(name = "xpath")
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private String xpath;
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/**
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* consumer (subscriber) reference.
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*/
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@Column(name = "subscriber", length = 4096)
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private String subscriber;
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/**
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* default constructor. for unit testing.
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*/
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public ResourceStateSubscription() {
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this.type = "*";
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this.resourceId = "*";
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}
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/**
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* create a new instance.
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*
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* @param request
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* original request.
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* @param prefix
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* prefix
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* @param type
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* resource type
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* @param resourceId
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* resource identifier
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* @param xpath
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* xpath
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*/
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public ResourceStateSubscription(final SubscriptionRequest request, final String prefix, final String type, final String resourceId,
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final String xpath) {
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super();
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setSubscriptionId(request.getSubscriptionId());
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setSubscriber(request.getSubscriber());
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setPrefix(prefix);
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setType(type);
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setResourceId(resourceId);
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setXpath(xpath);
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}
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/**
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* {@inheritDoc}
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*
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* @see java.lang.Object#hashCode()
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*/
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@Override
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public int hashCode() {
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return new HashCodeBuilder(HASH_SEED, HASH_SEED_2).append(subscriptionId).append(subscriber.toString()).append(prefix).append(type).append(xpath)
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.toHashCode();
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}
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/**
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* {@inheritDoc}
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*
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* @see java.lang.Object#equals(java.lang.Object)
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*/
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@Override
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public boolean equals(final Object obj) {
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if (!(obj instanceof ResourceStateSubscription))
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return false;
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if (this == obj)
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return true;
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final ResourceStateSubscription rhs = (ResourceStateSubscription) obj;
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return new EqualsBuilder().append(subscriptionId, rhs.getSubscriptionId()).append(prefix, rhs.getPrefix()).append(
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resourceId, rhs.getResourceId()).append(xpath, rhs.getXpath()).isEquals();
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}
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public String getSubscriptionId() {
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return subscriptionId;
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}
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public void setSubscriptionId(final String subscriptionId) {
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this.subscriptionId = subscriptionId;
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}
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public String getPrefix() {
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return prefix;
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}
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public void setPrefix(final String prefix) {
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this.prefix = prefix;
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}
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public String getType() {
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return type;
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}
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public void setType(final String type) {
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this.type = type == null || type.isEmpty() ? "*" : type;
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}
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public String getXpath() {
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return xpath;
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}
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public void setXpath(final String xpath) {
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this.xpath = xpath;
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}
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public String getSubscriber() {
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return subscriber;
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}
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public W3CEndpointReference getSubscriberAsEpr() {
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return (W3CEndpointReference) EndpointReference.readFrom(new StreamSource(new StringReader(getSubscriber())));
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}
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public void setSubscriber(final W3CEndpointReference epr) {
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this.subscriber = (epr != null) ? epr.toString() : null;;
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}
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public void setSubscriber(final String subscriber) {
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this.subscriber = subscriber;
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}
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public void setResourceId(final String resourceId) {
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this.resourceId = resourceId == null || resourceId.isEmpty() ? "*" : resourceId;
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}
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public String getResourceId() {
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return resourceId;
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}
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}
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