/**
* Copyright Microsoft Corporation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.microsoft.azure.storage.table;
import com.microsoft.azure.storage.RequestOptions;
import com.microsoft.azure.storage.core.Utility;
/**
* Represents a set of timeout, payload format, and retry policy options that may be specified for a table operation
* request.
*/
public class TableRequestOptions extends RequestOptions {
/**
* The interface whose function is used to get the <see cref="EdmType"/> for an entity property
* given the partition key, row, key, and the property name, if the interface is implemented
*/
public interface PropertyResolver {
/**
* Given the partition key, row, key, and the property name, produces the EdmType
*
* @param pk
* A <code>String</code> which represents the partition key.
* @param rk
* A <code>String</code> which represents the row key.
* @param key
* A <code>String</code> which represents the property name.
* @param value
* A <code>String</code> which represents the property value.
* @return
* The {@link EdmType} of the property.
*/
public EdmType propertyResolver(String pk, String rk, String key, String value);
}
/**
* The interface whose function is used to get the <see cref="EdmType"/> for an entity property
* given the partition key, row, key, and the property name, if the interface is implemented
*/
private PropertyResolver propertyResolver;
/**
* The <see {@link TablePayloadFormat} that is used for any table accessed with this {@link TableRequest} object.
*
* Default is Json Minimal Metadata.
*/
private TablePayloadFormat payloadFormat;
/**
* Creates an instance of the <code>TableRequestOptions</code>
*/
public TableRequestOptions() {
super();
}
/**
* Creates an instance of the <code>RequestOptions</code> class by copying values from another
* <code>TableRequestOptions</code> instance.
*
* @param other
* A <code>TableRequestOptions</code> object that represents the request options to copy.
*/
public TableRequestOptions(final TableRequestOptions other) {
super(other);
if (other != null) {
this.setTablePayloadFormat(other.getTablePayloadFormat());
this.setPropertyResolver(other.getPropertyResolver());
}
}
/**
* Reserved for internal use. Initializes the values for this <code>TableRequestOptions</code> instance, if they are
* currently <code>null</code>, using the values specified in the {@link CloudTableClient} parameter.
*
* @param options
* A {@link TableRequestOptions} object which represents the input options to copy from when applying defaults.
* @param client
* A {@link CloudTableClient} object from which to copy the timeout and retry policy.
*
* @return A {@link TableRequestOptions} object.
*
*/
protected static final TableRequestOptions applyDefaults(final TableRequestOptions options,
final CloudTableClient client) {
TableRequestOptions modifiedOptions = new TableRequestOptions(options);
TableRequestOptions.populateRequestOptions(modifiedOptions, client.getDefaultRequestOptions());
return TableRequestOptions.applyDefaultsInternal(modifiedOptions, client);
}
private static final TableRequestOptions applyDefaultsInternal(final TableRequestOptions modifiedOptions,
CloudTableClient client) {
Utility.assertNotNull("modifiedOptions", modifiedOptions);
RequestOptions.applyBaseDefaultsInternal(modifiedOptions);
if (modifiedOptions.getTablePayloadFormat() == null) {
modifiedOptions.setTablePayloadFormat(TablePayloadFormat.Json);
}
return modifiedOptions;
}
/**
* Populates any null fields in the first requestOptions object with values from the second requestOptions object.
*
* @param modifiedOptions
* A {@link TableRequestOptions} object from which to copy options.
* @param clientOptions
* A {@link TableRequestOptions} object where options will be copied.
*
* @return A {@link RequestOptions} object.
*/
private static final RequestOptions populateRequestOptions(TableRequestOptions modifiedOptions,
final TableRequestOptions clientOptions) {
RequestOptions.populateRequestOptions(modifiedOptions, clientOptions, false);
if (modifiedOptions.getTablePayloadFormat() == null) {
modifiedOptions.setTablePayloadFormat(clientOptions.getTablePayloadFormat());
}
if (modifiedOptions.getPropertyResolver() == null) {
modifiedOptions.setPropertyResolver(clientOptions.getPropertyResolver());
}
return modifiedOptions;
}
/**
* Gets the {@link TablePayloadFormat} to be used. For more information about {@link TablePayloadFormat} defaults,
* see {@link #setTablePayloadFormat(TablePayloadFormat)}.
*
* @return
* The {@link TablePayloadFormat} used by this {@link TableRequest}.
*/
public TablePayloadFormat getTablePayloadFormat() {
return this.payloadFormat;
}
/**
* Gets the interface that contains a function which is used to get the <see cref="EdmType"/> for an entity property
* given the partition key, row, key, and the property name. For more information about the {@link PropertyResolver}
* defaults, see {@link #setPropertyResolver(PropertyResolver)}.
*
* @return
* The current {@link PropertyResolver} object.
*/
public PropertyResolver getPropertyResolver() {
return this.propertyResolver;
}
/**
* Sets the {@link TablePayloadFormat} to be used.
* <p>
* The default {@link TablePayloadFormat} is set in the client and is by default {@link TablePayloadFormat#Json}.
* You can change the {@link TablePayloadFormat} on this request by setting this property. You can also change the
* value on the {@link TableServiceClient#getDefaultRequestOptions()} object so that all subsequent requests made
* via the service client will use that {@link TablePayloadFormat}.
*
* @param payloadFormat
* Specifies the {@link TablePayloadFormat} to set.
*/
public void setTablePayloadFormat(TablePayloadFormat payloadFormat) {
this.payloadFormat = payloadFormat;
}
/**
* Sets the interface that contains a function which is used to get the <see cref="EdmType"/> for an entity property
* given the partition key, row, key, and the property name.
* <p>
* The default {@link PropertyResolver} is set in the client and is by default null, indicating not to use a
* property resolver. You can change the {@link PropertyResolver} on this request by setting this property. You can
* also change the value on the {@link TableServiceClient#getDefaultRequestOptions()} object so that all subsequent
* requests made via the service client will use that {@link PropertyResolver}.
*
* @param propertyResolver
* Specifies the {@link PropertyResolver} to set.
*/
public void setPropertyResolver(PropertyResolver propertyResolver) {
this.propertyResolver = propertyResolver;
}
}