BulkDeleteDocument.java

package org.ektorp;

import java.io.*;

import com.fasterxml.jackson.core.*;
import com.fasterxml.jackson.databind.*;
import com.fasterxml.jackson.databind.annotation.JsonSerialize;
import org.ektorp.util.*;
/**
 * This class can be used to delete documents in bulk operations.
 * Add an instance for each document to be deleted to the objects collection.
 * @author henrik lundgren
 *
 */
@JsonSerialize(using = BulkDeleteDocument.Serializer.class)
public class BulkDeleteDocument implements Serializable {

	private static final long serialVersionUID = 6517134960185042866L;
	private final String id;
	private final String revision;
	/**
	 * Will create a bulk delete document based on the specified object.
	 * @param o
	 * @return
	 */
	public static BulkDeleteDocument of(Object o) {
		return new BulkDeleteDocument(Documents.getId(o), Documents.getRevision(o));
	}

	public BulkDeleteDocument(String id, String rev) {
		this.id = id;
		this.revision = rev;
	}

	public String getId() {
		return id;
	}

	public String getRevision() {
		return revision;
	}

	@Override
	public boolean equals(Object o) {
		if (o == this) return true;
		if (o instanceof BulkDeleteDocument) {
			BulkDeleteDocument bd = (BulkDeleteDocument) o;
			return bd.id.equals(id);
		}
		return false;
	}

	@Override
	public int hashCode() {
		return id.hashCode();
	}
	/**
	 * Dummy setter, only exists because the BulkOperationResponseHandler tries to set revision
	 * on all objects, no matter what.
	 * @param s
	 */
	public void setRevision(String s) {
		// do nothing
	}

	public static class Serializer extends JsonSerializer<BulkDeleteDocument> {

		@Override
		public void serialize(BulkDeleteDocument value, JsonGenerator jgen,
				SerializerProvider provider) throws IOException,
				JsonProcessingException {
			jgen.writeStartObject();
			jgen.writeStringField("_id", value.id);
			jgen.writeStringField("_rev", value.revision);
			jgen.writeBooleanField("_deleted", true);
			jgen.writeEndObject();
		}

	}
}