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/*
 * DISCLAIMER
 *
 * Copyright 2018 ArangoDB GmbH, Cologne, Germany
 *
 * 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.
 *
 * Copyright holder is ArangoDB GmbH, Cologne, Germany
 */

package com.arangodb.internal;

import com.arangodb.ArangoCollection;
import com.arangodb.ArangoDBException;
import com.arangodb.entity.*;
import com.arangodb.internal.util.DocumentUtil;
import com.arangodb.model.*;
import com.arangodb.util.RawData;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.util.Collection;

import static com.arangodb.internal.serde.SerdeUtils.constructParametricType;

/**
 * @author Mark Vollmary
 * @author Michele Rastelli
 */
public class ArangoCollectionImpl extends InternalArangoCollection
        implements ArangoCollection {

    private static final Logger LOGGER = LoggerFactory.getLogger(ArangoCollectionImpl.class);

    protected ArangoCollectionImpl(final ArangoDatabaseImpl db, final String name) {
        super(db, name);
    }

    @Override
    public DocumentCreateEntity insertDocument(final Object value) {
        return executor.execute(insertDocumentRequest(value, new DocumentCreateOptions()),
                constructParametricType(DocumentCreateEntity.class, Void.class));
    }

    @Override
    @SuppressWarnings("unchecked")
    public  DocumentCreateEntity insertDocument(final T value, final DocumentCreateOptions options) {
        return insertDocument(value, options, (Class) value.getClass());
    }

    @Override
    public  DocumentCreateEntity insertDocument(final T value, final DocumentCreateOptions options,
                                                      final Class type) {
        return executor.execute(insertDocumentRequest(value, options),
                constructParametricType(DocumentCreateEntity.class, type));
    }

    @Override
    public MultiDocumentEntity> insertDocuments(RawData values) {
        return executor
                .execute(insertDocumentsRequest(values, new DocumentCreateOptions()),
                        insertDocumentsResponseDeserializer(Void.class));
    }

    @Override
    @SuppressWarnings("unchecked")
    public MultiDocumentEntity> insertDocuments(RawData values,
                                                                              DocumentCreateOptions options) {
        return executor
                .execute(insertDocumentsRequest(values, options),
                        insertDocumentsResponseDeserializer((Class) values.getClass()));
    }

    @Override
    public MultiDocumentEntity> insertDocuments(final Collection values) {
        return insertDocuments(values, new DocumentCreateOptions());
    }

    @Override
    public MultiDocumentEntity> insertDocuments(
            final Collection values, final DocumentCreateOptions options) {
        return executor
                .execute(insertDocumentsRequest(values, options),
                        insertDocumentsResponseDeserializer(Void.class));
    }

    @Override
    public  MultiDocumentEntity> insertDocuments(Collection values,
                                                                            DocumentCreateOptions options,
                                                                            Class type) {
        return executor
                .execute(insertDocumentsRequest(values, options), insertDocumentsResponseDeserializer(type));
    }

    @Override
    public DocumentImportEntity importDocuments(final Collection values) {
        return importDocuments(values, new DocumentImportOptions());
    }

    @Override
    public DocumentImportEntity importDocuments(final Collection values, final DocumentImportOptions options) {
        return executor.execute(importDocumentsRequest(values, options), DocumentImportEntity.class);
    }

    @Override
    public DocumentImportEntity importDocuments(RawData values) {
        return importDocuments(values, new DocumentImportOptions());
    }

    @Override
    public DocumentImportEntity importDocuments(RawData values, DocumentImportOptions options) {
        return executor.execute(importDocumentsRequest(values, options), DocumentImportEntity.class);
    }

    @Override
    public  T getDocument(final String key, final Class type) {
        return getDocument(key, type, new DocumentReadOptions());
    }

    @Override
    public  T getDocument(final String key, final Class type, final DocumentReadOptions options) {
        DocumentUtil.validateDocumentKey(key);
        try {
            return executor.execute(getDocumentRequest(key, options), getDocumentResponseDeserializer(type));
        } catch (final ArangoDBException e) {
            if (LOGGER.isDebugEnabled()) {
                LOGGER.debug(e.getMessage(), e);
            }

            // handle Response: 404, Error: 1655 - transaction not found
            if (e.getErrorNum() != null && e.getErrorNum() == 1655) {
                throw e;
            }

            if ((e.getResponseCode() != null && (e.getResponseCode() == 404 || e.getResponseCode() == 304
                    || e.getResponseCode() == 412))) {
                return null;
            }
            throw e;
        }
    }

    @Override
    public  MultiDocumentEntity getDocuments(final Collection keys, final Class type) {
        return getDocuments(keys, type, new DocumentReadOptions());
    }

    @Override
    public  MultiDocumentEntity getDocuments(
            final Collection keys, final Class type, final DocumentReadOptions options) {
        return executor.execute(getDocumentsRequest(keys, options), getDocumentsResponseDeserializer(type));
    }

    @Override
    public DocumentUpdateEntity replaceDocument(final String key, final Object value) {
        return executor.execute(replaceDocumentRequest(key, value, new DocumentReplaceOptions()),
                constructParametricType(DocumentUpdateEntity.class, Void.class));
    }

    @Override
    @SuppressWarnings("unchecked")
    public  DocumentUpdateEntity replaceDocument(
            final String key, final T value, final DocumentReplaceOptions options) {
        return replaceDocument(key, value, options, (Class) value.getClass());
    }

    @Override
    public  DocumentUpdateEntity replaceDocument(String key, T value, DocumentReplaceOptions options,
                                                       Class type) {
        return executor.execute(replaceDocumentRequest(key, value, options),
                constructParametricType(DocumentUpdateEntity.class, type));
    }

    @Override
    public MultiDocumentEntity> replaceDocuments(RawData values) {
        return executor.execute(replaceDocumentsRequest(values, new DocumentReplaceOptions()),
                replaceDocumentsResponseDeserializer(Void.class));
    }

    @Override
    @SuppressWarnings("unchecked")
    public MultiDocumentEntity> replaceDocuments(RawData values,
                                                                               DocumentReplaceOptions options) {
        return executor.execute(replaceDocumentsRequest(values, options),
                replaceDocumentsResponseDeserializer((Class) values.getClass()));
    }

    @Override
    public MultiDocumentEntity> replaceDocuments(final Collection values) {
        return replaceDocuments(values, new DocumentReplaceOptions());
    }

    @Override
    public MultiDocumentEntity> replaceDocuments(
            final Collection values, final DocumentReplaceOptions options) {
        return executor.execute(replaceDocumentsRequest(values, options),
                replaceDocumentsResponseDeserializer(Void.class));
    }

    @Override
    public  MultiDocumentEntity> replaceDocuments(Collection values,
                                                                             DocumentReplaceOptions options,
                                                                             Class type) {
        return executor.execute(replaceDocumentsRequest(values, options), replaceDocumentsResponseDeserializer(type));
    }

    @Override
    public DocumentUpdateEntity updateDocument(final String key, final Object value) {
        return updateDocument(key, value, new DocumentUpdateOptions(), Void.class);
    }

    @Override
    @SuppressWarnings("unchecked")
    public  DocumentUpdateEntity updateDocument(
            final String key, final T value, final DocumentUpdateOptions options) {
        return updateDocument(key, value, options, (Class) value.getClass());
    }

    @Override
    public  DocumentUpdateEntity updateDocument(
            final String key, final Object value, final DocumentUpdateOptions options, final Class returnType) {
        return executor.execute(updateDocumentRequest(key, value, options),
                constructParametricType(DocumentUpdateEntity.class, returnType));
    }

    @Override
    public MultiDocumentEntity> updateDocuments(RawData values) {
        return executor
                .execute(updateDocumentsRequest(values, new DocumentUpdateOptions()),
                        updateDocumentsResponseDeserializer(Void.class));
    }

    @Override
    @SuppressWarnings("unchecked")
    public MultiDocumentEntity> updateDocuments(RawData values,
                                                                              DocumentUpdateOptions options) {
        return executor
                .execute(updateDocumentsRequest(values, options),
                        updateDocumentsResponseDeserializer((Class) values.getClass()));
    }

    @Override
    public MultiDocumentEntity> updateDocuments(final Collection values) {
        return updateDocuments(values, new DocumentUpdateOptions());
    }

    @Override
    public MultiDocumentEntity> updateDocuments(
            final Collection values, final DocumentUpdateOptions options) {
        return updateDocuments(values, options, Void.class);
    }

    @Override
    public  MultiDocumentEntity> updateDocuments(
            final Collection values, final DocumentUpdateOptions options, final Class returnType) {
        return executor
                .execute(updateDocumentsRequest(values, options), updateDocumentsResponseDeserializer(returnType));
    }

    @Override
    public DocumentDeleteEntity deleteDocument(final String key) {
        return deleteDocument(key, new DocumentDeleteOptions());
    }

    @Override
    public DocumentDeleteEntity deleteDocument(String key, DocumentDeleteOptions options) {
        return deleteDocument(key, options, Void.class);
    }

    @Override
    public  DocumentDeleteEntity deleteDocument(
            final String key, final DocumentDeleteOptions options, final Class type) {
        return executor.execute(deleteDocumentRequest(key, options),
                constructParametricType(DocumentDeleteEntity.class, type));
    }

    @Override
    public MultiDocumentEntity> deleteDocuments(RawData values) {
        return executor.execute(deleteDocumentsRequest(values, new DocumentDeleteOptions()),
                deleteDocumentsResponseDeserializer(Void.class));
    }

    @Override
    @SuppressWarnings("unchecked")
    public MultiDocumentEntity> deleteDocuments(RawData values,
                                                                              DocumentDeleteOptions options) {
        return executor.execute(deleteDocumentsRequest(values, options),
                deleteDocumentsResponseDeserializer((Class) values.getClass()));
    }

    @Override
    public MultiDocumentEntity> deleteDocuments(final Collection values) {
        return deleteDocuments(values, new DocumentDeleteOptions());
    }

    @Override
    public MultiDocumentEntity> deleteDocuments(
            final Collection values, final DocumentDeleteOptions options) {
        return deleteDocuments(values, options, Void.class);
    }

    @Override
    public  MultiDocumentEntity> deleteDocuments(
            final Collection values, final DocumentDeleteOptions options, final Class type) {
        return executor.execute(deleteDocumentsRequest(values, options), deleteDocumentsResponseDeserializer(type));
    }

    @Override
    public Boolean documentExists(final String key) {
        return documentExists(key, new DocumentExistsOptions());
    }

    @Override
    public Boolean documentExists(final String key, final DocumentExistsOptions options) {
        try {
            executor.execute(documentExistsRequest(key, options), Void.class);
            return true;
        } catch (final ArangoDBException e) {

            // handle Response: 404, Error: 1655 - transaction not found
            if (e.getErrorNum() != null && e.getErrorNum() == 1655) {
                throw e;
            }

            if ((e.getResponseCode() != null &&
                    (e.getResponseCode() == 404 || e.getResponseCode() == 304 || e.getResponseCode() == 412))) {
                return false;
            }
            throw e;
        }
    }

    @Override
    public IndexEntity getIndex(final String id) {
        return executor.execute(getIndexRequest(id), IndexEntity.class);
    }

    @Override
    public InvertedIndexEntity getInvertedIndex(String id) {
        return executor.execute(getIndexRequest(id), InvertedIndexEntity.class);
    }

    @Override
    public String deleteIndex(final String id) {
        return executor.execute(deleteIndexRequest(id), deleteIndexResponseDeserializer());
    }

    @Override
    public IndexEntity ensurePersistentIndex(final Iterable fields, final PersistentIndexOptions options) {
        return executor.execute(createPersistentIndexRequest(fields, options), IndexEntity.class);
    }

    @Override
    public InvertedIndexEntity ensureInvertedIndex(final InvertedIndexOptions options) {
        return executor.execute(createInvertedIndexRequest(options), InvertedIndexEntity.class);
    }

    @Override
    public IndexEntity ensureGeoIndex(final Iterable fields, final GeoIndexOptions options) {
        return executor.execute(createGeoIndexRequest(fields, options), IndexEntity.class);
    }

    @Deprecated
    @Override
    public IndexEntity ensureFulltextIndex(final Iterable fields, final FulltextIndexOptions options) {
        return executor.execute(createFulltextIndexRequest(fields, options), IndexEntity.class);
    }

    @Override
    public IndexEntity ensureTtlIndex(final Iterable fields, final TtlIndexOptions options) {
        return executor.execute(createTtlIndexRequest(fields, options), IndexEntity.class);
    }

    @Override
    public IndexEntity ensureZKDIndex(final Iterable fields, final ZKDIndexOptions options) {
        return executor.execute(createZKDIndexRequest(fields, options), IndexEntity.class);
    }

    @Override
    public Collection getIndexes() {
        return executor.execute(getIndexesRequest(), getIndexesResponseDeserializer());
    }

    @Override
    public Collection getInvertedIndexes() {
        return executor.execute(getIndexesRequest(), getInvertedIndexesResponseDeserializer());
    }

    @Override
    public boolean exists() {
        try {
            getInfo();
            return true;
        } catch (final ArangoDBException e) {
            if (ArangoErrors.ERROR_ARANGO_DATA_SOURCE_NOT_FOUND.equals(e.getErrorNum())) {
                return false;
            }
            throw e;
        }
    }

    @Override
    public CollectionEntity truncate() {
        return truncate(null);
    }

    @Override
    public CollectionEntity truncate(CollectionTruncateOptions options) {
        return executor.execute(truncateRequest(options), CollectionEntity.class);
    }

    @Override
    public CollectionPropertiesEntity count() {
        return count(null);
    }

    @Override
    public CollectionPropertiesEntity count(CollectionCountOptions options) {
        return executor.execute(countRequest(options), CollectionPropertiesEntity.class);
    }

    @Override
    public CollectionEntity create() {
        return db().createCollection(name());
    }

    @Override
    public CollectionEntity create(final CollectionCreateOptions options) {
        return db().createCollection(name(), options);
    }

    @Override
    public void drop() {
        executor.execute(dropRequest(null), Void.class);
    }

    @Override
    public void drop(final boolean isSystem) {
        executor.execute(dropRequest(isSystem), Void.class);
    }

    @Override
    public CollectionEntity getInfo() {
        return executor.execute(getInfoRequest(), CollectionEntity.class);
    }

    @Override
    public CollectionPropertiesEntity getProperties() {
        return executor.execute(getPropertiesRequest(), CollectionPropertiesEntity.class);
    }

    @Override
    public CollectionPropertiesEntity changeProperties(final CollectionPropertiesOptions options) {
        return executor.execute(changePropertiesRequest(options), CollectionPropertiesEntity.class);
    }

    @Override
    public CollectionEntity rename(final String newName) {
        return executor.execute(renameRequest(newName), CollectionEntity.class);
    }

    @Override
    public ShardEntity getResponsibleShard(final Object value) {
        return executor.execute(responsibleShardRequest(value), ShardEntity.class);
    }

    @Override
    public CollectionRevisionEntity getRevision() {
        return executor.execute(getRevisionRequest(), CollectionRevisionEntity.class);
    }

    @Override
    public void grantAccess(final String user, final Permissions permissions) {
        executor.execute(grantAccessRequest(user, permissions), Void.class);
    }

    @Override
    public void revokeAccess(final String user) {
        executor.execute(grantAccessRequest(user, Permissions.NONE), Void.class);
    }

    @Override
    public void resetAccess(final String user) {
        executor.execute(resetAccessRequest(user), Void.class);
    }

    @Override
    public Permissions getPermissions(final String user) {
        return executor.execute(getPermissionsRequest(user), getPermissionsResponseDeserialzer());
    }

}




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