com.marklogic.mgmt.resource.rebalancer.PartitionManager Maven / Gradle / Ivy

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Java client for the MarkLogic REST Management API and for deploying applications to MarkLogic

There is a newer version: 5.0.0

package com.marklogic.mgmt.resource.rebalancer;

import com.fasterxml.jackson.databind.JsonNode;
import com.marklogic.mgmt.ManageClient;
import com.marklogic.mgmt.resource.AbstractResourceManager;
import com.marklogic.mgmt.util.ObjectMapperFactory;
import org.springframework.http.ResponseEntity;

import java.io.IOException;

public class PartitionManager extends AbstractResourceManager {

	private String databaseIdOrName;

	/**
	 * The "update properties" endpoint for partitions - http://docs.marklogic.com/REST/PUT/manage/v2/databases/[id-or-name]/partitions/[name]/properties
	 * - only supports a couple inputs for affecting the status of a partition. The inputs used for creating a
	 * partition are not supported. Thus, the concept of "updates" in this class are not supported either.
	 *
	 * @param client
	 * @param databaseIdOrName
	 */
	public PartitionManager(ManageClient client, String databaseIdOrName) {
		super(client);
		this.databaseIdOrName = databaseIdOrName;
		setUpdateAllowed(false);
	}

	@Override
	public String getResourcesPath() {
		return format("/manage/v2/databases/%s/partitions", databaseIdOrName);
	}

	@Override
	protected String getIdFieldName() {
		return "partition-name";
	}

	public ResponseEntity takePartitionOnline(String partitionName) {
		return getManageClient().putJson(getPropertiesPath(partitionName), "{\"availability\":\"online\"}");
	}

	public ResponseEntity takePartitionOffline(String partitionName) {
		return getManageClient().putJson(getPropertiesPath(partitionName), "{\"availability\":\"offline\"}");
	}

	public PartitionProperties getPartitionProperties(String partitionName) {
		JsonNode json = getManageClient().getJsonNode(getPropertiesPath(partitionName));
		if (json != null && json.has("partition-properties")) {
			JsonNode props = json.get("partition-properties");
			try {
				return ObjectMapperFactory.getObjectMapper().readerFor(PartitionProperties.class).readValue(props.toString());
			} catch (IOException e) {
				throw new RuntimeException("Unable to unmarshal partition properties JSON response: " + json, e);
			}
		} else {
			throw new RuntimeException("Unexpected payload for partition properties, could not find " +
				"partition-properties key; payload; " + json);
		}
	}
}