com.b2international.snowowl.snomed.datastore.internal.id.SnomedIdentifierImpl.java Source code

Introduction

Here is the source code for com.b2international.snowowl.snomed.datastore.internal.id.SnomedIdentifierImpl.java

Source

/*
 * Copyright 2011-2017 B2i Healthcare Pte Ltd, http://b2i.sg
 * 
 * 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.b2international.snowowl.snomed.datastore.internal.id;

import java.util.Objects;

import com.b2international.snowowl.core.terminology.ComponentCategory;
import com.b2international.snowowl.snomed.datastore.id.SnomedIdentifier;
import com.google.common.base.Strings;

/**
 * Representing a SNOMED CT Identifier in a Java POJO form, extracts parts of the SNOMED CT Identifer and stores them for later use.
 * 
 * @since 4.0
 */
public final class SnomedIdentifierImpl implements SnomedIdentifier {

    private static final long serialVersionUID = 1L;

    private final long itemId;
    private final String namespace;
    private final int formatIdentifier;
    private final int componentIdentifier;
    private final int checkDigit;

    // Computed on first access to toString
    private String id;

    public SnomedIdentifierImpl(final long itemId, final String namespace, final int formatIdentifier,
            final int componentIdentifier, final int checkDigit) {
        this.itemId = itemId;
        this.namespace = namespace;
        this.formatIdentifier = formatIdentifier;
        this.componentIdentifier = componentIdentifier;
        this.checkDigit = checkDigit;
    }

    @Override
    public long getItemId() {
        return itemId;
    }

    @Override
    public String getNamespace() {
        return namespace;
    }

    @Override
    public boolean equalsNamespace(String namespace) {
        return Objects.equals(this.namespace, namespace);
    }

    @Override
    public boolean hasNamespace() {
        return namespace != null;
    }

    @Override
    public int getFormatIdentifier() {
        return formatIdentifier;
    }

    public int getComponentIdentifier() {
        return componentIdentifier;
    }

    @Override
    public int getCheckDigit() {
        return checkDigit;
    }

    @Override
    public ComponentCategory getComponentCategory() {
        return ComponentCategory.getByOrdinal(getComponentIdentifier());
    }

    @Override
    public String toString() {
        if (id == null) {
            id = String.format("%s%s%s%s%s", itemId, Strings.nullToEmpty(namespace), formatIdentifier,
                    componentIdentifier, checkDigit);
        }
        return id;
    }
}