/*
 * 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 org.trellisldp.spi;

import java.util.function.Supplier;

/**
 * The IdentifierService provides a mechanism for creating new identifiers.
 *
 * @author acoburn
 */
public interface IdentifierService {

    /**
     * Get a Supplier that generates Strings with the provided prefix
     * @param prefix the prefix
     * @param hierarchy the levels of hierarchy to add
     * @param length the length of each level of hierarchy
     * @return a String Supplier
     */
    Supplier<String> getSupplier(String prefix, Integer hierarchy, Integer length);

    /**
     * Get a Supplier that generates Strings with the provided prefix
     * @param prefix the prefix
     * @return a String Supplier
     */
    Supplier<String> getSupplier(String prefix);

    /**
     * Get a Supplier that generates Strings with the provided prefix
     * @return a String Supplier
     */
    Supplier<String> getSupplier();
}

@@ -765,16 +765,1412 @@
 vice %7B%0A%0A
+    /**%0A     * A configuration object for use with an IdentiferService%0A     */%0A    public static class IdentifierConfiguration %7B%0A%0A        private final String prefix;%0A        private final Integer hierarchy;%0A        private final Integer length;%0A%0A        /**%0A         * Configuration for an identifier supplier%0A         */%0A        public IdentifierConfiguration() %7B%0A            this(%22%22, 0, 0);%0A        %7D%0A%0A        /**%0A         * Configuration for an identifier supplier%0A         * @param prefix a prefix%0A         * @param hierarchy levels of hierarchy%0A         * @param length the length of any hierarchy segment%0A         */%0A        public IdentifierConfiguration(final String prefix, final Integer hierarchy, final Integer length) %7B%0A            this.prefix = prefix;%0A            this.hierarchy = hierarchy;%0A            this.length = length;%0A        %7D%0A%0A        /**%0A         * Get the prefix%0A         * @return the prefix%0A         */%0A        public String getPrefix() %7B%0A            return prefix;%0A        %7D%0A%0A        /**%0A         * Get the levels of hierarchy%0A         * @return the levels of hierarchy%0A         */%0A        public Integer getHierarchy() %7B%0A            return hierarchy;%0A        %7D%0A%0A        /**%0A         * Get the length of each hierarchy segment%0A         * @return the length of each segment%0A         */%0A        public Integer getLength() %7B%0A            return length;%0A        %7D%0A    %7D%0A%0A
     /**%0A

Add inner class for configuration