| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you 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 org.apache.olingo.client.core.communication.request.batch; |
| |
| import java.util.HashMap; |
| import java.util.Iterator; |
| import java.util.Map; |
| |
| import org.apache.olingo.client.api.communication.request.batch.ODataBatchLineIterator; |
| import org.apache.olingo.client.api.communication.request.batch.ODataBatchResponseItem; |
| import org.apache.olingo.client.api.communication.response.ODataResponse; |
| import org.slf4j.Logger; |
| import org.slf4j.LoggerFactory; |
| |
| /** |
| * Abstract representation of a response item about a batch request. |
| */ |
| public abstract class AbstractODataBatchResponseItem implements ODataBatchResponseItem { |
| |
| /** |
| * Logger. |
| */ |
| protected static final Logger LOG = LoggerFactory.getLogger(ODataBatchResponseItem.class); |
| |
| /** |
| * Expected OData responses for the current batch response item. |
| */ |
| protected final Map<String, ODataResponse> responses = new HashMap<String, ODataResponse>(); |
| |
| /** |
| * Expected OData responses iterator. |
| */ |
| protected Iterator<ODataResponse> expectedItemsIterator; |
| |
| /** |
| * Changeset controller. Gives more information about the type of batch item. |
| */ |
| private final boolean changeset; |
| |
| /** |
| * Batch response line iterator. |
| */ |
| protected ODataBatchLineIterator batchLineIterator; |
| |
| /** |
| * Batch boundary. |
| */ |
| protected String boundary; |
| |
| /** |
| * Gives information about the batch response item status. |
| */ |
| protected boolean closed = false; |
| |
| /** |
| * Last cached OData response. |
| */ |
| protected ODataResponse current; |
| |
| protected boolean breaking = false; |
| |
| /** |
| * Constructor. |
| * |
| * @param isChangeset 'TRUE' if the current batch response item is a changeset. |
| */ |
| public AbstractODataBatchResponseItem(boolean isChangeset) { |
| this.changeset = isChangeset; |
| this.current = null; |
| } |
| |
| /** |
| * {@inheritDoc } |
| */ |
| @Override |
| public void addResponse(final String contentId, final ODataResponse res) { |
| if (closed) { |
| throw new IllegalStateException("Invalid batch item because explicitely closed"); |
| } |
| responses.put(contentId, res); |
| } |
| |
| /** |
| * {@inheritDoc } |
| */ |
| @Override |
| public void initFromBatch(final ODataBatchLineIterator batchLineIterator, final String boundary) { |
| if (closed) { |
| throw new IllegalStateException("Invalid batch item because explicitely closed"); |
| } |
| LOG.debug("Init from batch - boundary '{}'", boundary); |
| this.batchLineIterator = batchLineIterator; |
| this.boundary = boundary; |
| } |
| |
| /** |
| * Gets response about the given contentId. |
| * |
| * @param contentId response identifier (a specific contentId in case of changeset item). |
| * @return ODataResponse corresponding to the given contentId. |
| */ |
| protected ODataResponse getResponse(final String contentId) { |
| if (closed) { |
| throw new IllegalStateException("Invalid batch item because explicitely closed"); |
| } |
| return responses.get(contentId); |
| } |
| |
| /** |
| * Gets OData responses iterator. |
| * |
| * @return OData responses iterator. |
| */ |
| protected Iterator<ODataResponse> getResponseIterator() { |
| if (closed) { |
| throw new IllegalStateException("Invalid batch item because explicitely closed"); |
| } |
| return responses.values().iterator(); |
| } |
| |
| @Override |
| public boolean hasNext() { |
| if (closed) { |
| throw new IllegalStateException("Invalid request - the item has been closed"); |
| } |
| |
| if (expectedItemsIterator == null) { |
| expectedItemsIterator = responses.values().iterator(); |
| } |
| |
| return !breaking && expectedItemsIterator.hasNext(); |
| } |
| |
| /** |
| * {@inheritDoc } |
| */ |
| @Override |
| public boolean isBreaking() { |
| return breaking; |
| } |
| |
| /** |
| * {@inheritDoc } |
| */ |
| @Override |
| public final boolean isChangeset() { |
| return changeset; |
| } |
| |
| /** |
| * {@inheritDoc } |
| */ |
| @Override |
| public void close() { |
| for (ODataResponse response : responses.values()) { |
| response.close(); |
| } |
| closed = true; |
| } |
| } |