io.atlasmap.core.BaseAtlasModule Maven / Gradle / Ivy

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/**
 * Copyright (C) 2017 Red Hat, Inc.
 *
 * 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 io.atlasmap.core;

import java.util.Arrays;
import java.util.List;

import javax.management.openmbean.TabularData;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import io.atlasmap.api.AtlasConversionService;
import io.atlasmap.api.AtlasException;
import io.atlasmap.api.AtlasFieldActionService;
import io.atlasmap.mxbean.AtlasModuleMXBean;
import io.atlasmap.spi.AtlasInternalSession;
import io.atlasmap.spi.AtlasModule;
import io.atlasmap.spi.AtlasModuleDetail;
import io.atlasmap.spi.AtlasModuleMode;
import io.atlasmap.v2.Field;
import io.atlasmap.v2.FieldType;
import io.atlasmap.v2.LookupEntry;
import io.atlasmap.v2.LookupTable;
import io.atlasmap.v2.SimpleField;

public abstract class BaseAtlasModule implements AtlasModule, AtlasModuleMXBean {
    private static final Logger LOG = LoggerFactory.getLogger(BaseAtlasModule.class);

    private boolean automaticallyProcessOutputFieldActions = true;
    private AtlasConversionService atlasConversionService = null;
    private AtlasFieldActionService atlasFieldActionService = null;
    private AtlasModuleMode atlasModuleMode = AtlasModuleMode.UNSET;
    private String docId;
    private String uri;

    @Override
    public void init() {
        // no-op now
    }

    @Override
    public void destroy() {
        // no-op now
    }

    @Override
    public void processPostValidation(AtlasInternalSession session) throws AtlasException {
        if (LOG.isDebugEnabled()) {
            LOG.debug("{}: processPostValidation completed", getDocId());
        }
    }

    protected void processLookupField(AtlasInternalSession session, LookupTable lookupTable, Object sourceValue,
            Field targetField) throws AtlasException {
        String lookupValue = null;
        FieldType lookupType = null;
        for (LookupEntry lkp : lookupTable.getLookupEntry()) {
            if (lkp.getSourceValue().equals(sourceValue)) {
                lookupValue = lkp.getTargetValue();
                lookupType = lkp.getTargetType();
                break;
            }
        }

        Object targetValue = null;
        if (lookupType == null || FieldType.STRING.equals(lookupType)) {
            targetValue = lookupValue;
        } else {
            targetValue = atlasConversionService.convertType(lookupValue, FieldType.STRING, lookupType);
        }

        if (targetField.getFieldType() != null && !targetField.getFieldType().equals(lookupType)) {
            targetValue = atlasConversionService.convertType(targetValue, lookupType, targetField.getFieldType());
        }

        targetField.setValue(targetValue);
    }

    @Override
    public AtlasModuleMode getMode() {
        return this.atlasModuleMode;
    }

    @Override
    public void setMode(AtlasModuleMode atlasModuleMode) {
        this.atlasModuleMode = atlasModuleMode;
    }

    @Override
    public Boolean isStatisticsSupported() {
        return false;
    }

    @Override
    public Boolean isStatisticsEnabled() {
        return false;
    }

    @Override
    public List listSupportedModes() {
        return Arrays.asList(AtlasModuleMode.SOURCE, AtlasModuleMode.TARGET);
    }

    @Override
    public AtlasConversionService getConversionService() {
        return atlasConversionService;
    }

    @Override
    public String getDocId() {
        return docId;
    }

    @Override
    public void setDocId(String docId) {
        this.docId = docId;
    }

    @Override
    public String getUri() {
        return uri;
    }

    @Override
    public void setUri(String uri) {
        this.uri = uri;
    }

    @Override
    public void setConversionService(AtlasConversionService atlasConversionService) {
        this.atlasConversionService = atlasConversionService;
    }

    @Override
    public AtlasFieldActionService getFieldActionService() {
        return this.atlasFieldActionService;
    }

    @Override
    public void setFieldActionService(AtlasFieldActionService atlasFieldActionService) {
        this.atlasFieldActionService = atlasFieldActionService;
    }

    public boolean isAutomaticallyProcessOutputFieldActions() {
        return automaticallyProcessOutputFieldActions;
    }

    public void setAutomaticallyProcessOutputFieldActions(boolean automaticallyProcessOutputFieldActions) {
        this.automaticallyProcessOutputFieldActions = automaticallyProcessOutputFieldActions;
    }

    //-----------------------------------------
    // JMX MBean methods
    //-----------------------------------------

    @Override
    public boolean isSourceSupported() {
        return Arrays.asList(this.getClass().getAnnotation(AtlasModuleDetail.class).modes()).contains("SOURCE");
    }

    @Override
    public boolean isTargetSupported() {
        return Arrays.asList(this.getClass().getAnnotation(AtlasModuleDetail.class).modes()).contains("TARGET");
    }

    @Override
    public String getClassName() {
        return this.getClass().getName();
    }

    @Override
    public String[] getDataFormats() {
        return this.getClass().getAnnotation(AtlasModuleDetail.class).dataFormats();
    }

    @Override
    public String getModeName() {
        return this.atlasModuleMode.name();
    }

    @Override
    public String getName() {
        return this.getClass().getAnnotation(AtlasModuleDetail.class).name();
    }

    @Override
    public String[] getPackageNames() {
        return null;
    }

    @Override
    public long getSourceErrorCount() {
        return 0L;
    }

    @Override
    public long getSourceCount() {
        return 0L;
    }

    @Override
    public long getSourceMaxExecutionTime() {
        return 0L;
    }

    @Override
    public long getSourceMinExecutionTime() {
        return 0L;
    }

    @Override
    public long getSourceSuccessCount() {
        return 0L;
    }

    @Override
    public long getSourceTotalExecutionTime() {
        return 0L;
    }

    @Override
    public long getTargetCount() {
        return 0L;
    }

    @Override
    public long getTargetErrorCount() {
        return 0L;
    }

    @Override
    public long getTargetMaxExecutionTime() {
        return 0L;
    }

    @Override
    public long getTargetMinExecutionTime() {
        return 0L;
    }

    @Override
    public long getTargetSuccessCount() {
        return 0L;
    }

    @Override
    public long getTargetTotalExecutionTime() {
        return 0L;
    }

    @Override
    public String getUuid() {
        return null;
    }

    @Override
    public String getVersion() {
        return null;
    }

    @Override
    public TabularData readAndResetStatistics() {
        return null;
    }

    @Override
    public void setStatisticsEnabled(boolean enabled) {
        LOG.warn("Statistics is not yet implemented");
    }

    @Override
    public Boolean isSupportedField(Field field) {
        return field instanceof SimpleField;
    }

}