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openstack-glance: following example in swift and not extending openstack-common BaseListOptions

This commit is contained in:
Adam Lowe 2012-05-31 14:40:45 +01:00
parent fe53765de0
commit 57c11155fb
3 changed files with 34 additions and 45 deletions
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25
common/openstack/src/main/java/org/jclouds/openstack/options/BaseListOptions.java
View File

@ -48,10 +48,6 @@ public class BaseListOptions extends BaseHttpRequestOptions {
* Indicates where to begin listing. The list will only include objects that occur after the
* offset. This is convenient for pagination: To get the next page of results use the last result
* number of the current page + current page offset as the offset.
* <p/>
* This isn't supported by newer openstack API implementations
*
* @see #marker(String) for the new mechanism to set the page offset
*/
public BaseListOptions startAt(long offset) {
checkState(offset >= 0, "offset must be >= 0");
@ -59,19 +55,6 @@ public class BaseListOptions extends BaseHttpRequestOptions {
return this;
}
/**
* The marker parameter is the ID of the last item in the previous list
* (i.e. return the page of items after the marker).
* <p/>
* This is only supported by newer openstack API implementations
*
* @see #startAt for the old mechanism to set the page offset
*/
public BaseListOptions marker(String marker) {
queryParameters.put("marker", checkNotNull(marker, "marker"));
return this;
}
/**
* To reduce load on the service, list operations will return a maximum of 1,000 items at a time.
* To navigate the collection, the parameters limit and offset can be set in the URI
@ -97,14 +80,6 @@ public class BaseListOptions extends BaseHttpRequestOptions {
return options.startAt(prefix);
}
/**
* @see BaseListOptions#marker
*/
public static BaseListOptions marker(String marker) {
BaseListOptions options = new BaseListOptions();
return options.marker(marker);
}
/**
* @see BaseListOptions#maxResults
*/

48
labs/openstack-glance/src/main/java/org/jclouds/openstack/glance/v1_0/options/ListImageOptions.java
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@ -18,14 +18,14 @@
*/
package org.jclouds.openstack.glance.v1_0.options;
import static com.google.common.base.Preconditions.checkNotNull;
import static com.google.common.base.Preconditions.checkState;
import static org.jclouds.openstack.glance.v1_0.options.ImageField.*;
import java.util.Date;
import org.jclouds.http.options.BaseHttpRequestOptions;
import org.jclouds.openstack.glance.v1_0.domain.ContainerFormat;
import org.jclouds.openstack.glance.v1_0.domain.DiskFormat;
import org.jclouds.openstack.glance.v1_0.domain.Image.Status;
import org.jclouds.openstack.options.BaseListOptions;
/**
* <h2></h2>Usage</h2> The recommended way to instantiate a ListImageOptions object is to statically import
@ -36,13 +36,33 @@ import org.jclouds.openstack.options.BaseListOptions;
*
*
* // this will list the first 10 images with the name "name", minimum required disk of 5GB.
* list = client.list(name("newName"), maxResults(10), minDisk(5));
* list = client.list(name("newName"), limit(10), minDisk(5));
* <code>
*
* @author Adam Lowe
* @see <a href="http://glance.openstack.org/glanceapi.html"/>
*/
public class ListImageOptions extends BaseListOptions {
public class ListImageOptions extends BaseHttpRequestOptions {
public static final ListImageOptions NONE = new ListImageOptions();
/**
* Given a string value x, return object names greater in value than the specified marker.
*/
public ListImageOptions marker(String marker) {
queryParameters.put("marker", checkNotNull(marker, "marker"));
return this;
}
/**
* For an integer value n, limits the number of results to n values.
*/
public ListImageOptions limit(int limit) {
checkState(limit >= 0, "limit must be >= 0");
checkState(limit <= 10000, "limit must be <= 10000");
queryParameters.put("limit", Integer.toString(limit));
return this;
}
/**
* Return only those images having a matching name attribute
*/
@ -228,24 +248,18 @@ public class ListImageOptions extends BaseListOptions {
}
/**
* @see BaseListOptions#maxResults
* @see ListImageOptions#limit
*/
public static ListImageOptions maxResults(int limit) {
return ListImageOptions.class.cast(new ListImageOptions().maxResults(limit));
public static ListImageOptions limit(int limit) {
return new ListImageOptions().limit(limit);
}
/**
* @see BaseListOptions#marker
* @see ListImageOptions#marker
*/
public static ListImageOptions marker(String marker) {
return ListImageOptions.class.cast(new ListImageOptions().marker(marker));
}
/**
* @see BaseListOptions#changesSince
*/
public static ListImageOptions changesSince(Date ifModifiedSince) {
return ListImageOptions.class.cast(new BaseListOptions().changesSince(ifModifiedSince));
ListImageOptions options = new ListImageOptions();
return options.marker(marker);
}
}
}

6
labs/openstack-glance/src/test/java/org/jclouds/openstack/glance/v1_0/features/ImageClientLiveTest.java
View File

@ -49,7 +49,7 @@ public class ImageClientLiveTest extends BaseGlanceClientLiveTest {
public void testList() throws Exception {
for (String zoneId : glanceContext.getApi().getConfiguredRegions()) {
ImageClient client = glanceContext.getApi().getImageClientForRegion(zoneId);
Set<Image> response = client.list(ListImageOptions.Builder.maxResults(100));
Set<Image> response = client.list(ListImageOptions.Builder.limit(100));
assert null != response;
for (Image image : response) {
checkImage(image);
@ -103,7 +103,7 @@ public class ImageClientLiveTest extends BaseGlanceClientLiveTest {
assertEquals(details.getName(), "jclouds-live-test2");
assertEquals(details.getMinDisk(), 10);
Image fromListing = Iterables.getOnlyElement(client.list(ListImageOptions.Builder.name("jclouds-live-test2"), ListImageOptions.Builder.maxResults(2), ListImageOptions.Builder.containerFormat(ContainerFormat.BARE)));
Image fromListing = Iterables.getOnlyElement(client.list(ListImageOptions.Builder.name("jclouds-live-test2"), ListImageOptions.Builder.limit(2), ListImageOptions.Builder.containerFormat(ContainerFormat.BARE)));
assertEquals(fromListing.getId(), details.getId());
assertEquals(fromListing.getSize(), details.getSize());
@ -128,7 +128,7 @@ public class ImageClientLiveTest extends BaseGlanceClientLiveTest {
assertEquals(details.getSize().get().longValue(), imageData.getRawContent().length());
assertEquals(details.getMinDisk(), 10);
Image fromListing = Iterables.getOnlyElement(client.list(ListImageOptions.Builder.name("jclouds-live-res-test2"), ListImageOptions.Builder.maxResults(2), ListImageOptions.Builder.containerFormat(ContainerFormat.BARE)));
Image fromListing = Iterables.getOnlyElement(client.list(ListImageOptions.Builder.name("jclouds-live-res-test2"), ListImageOptions.Builder.limit(2), ListImageOptions.Builder.containerFormat(ContainerFormat.BARE)));
assertEquals(fromListing.getId(), details.getId());
assertEquals(fromListing.getSize(), details.getSize());