Java tutorial
package com.thinkbiganalytics.metadata.modeshape.datasource; /*- * #%L * thinkbig-metadata-modeshape * %% * Copyright (C) 2017 ThinkBig Analytics * %% * 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. * #L% */ import com.thinkbiganalytics.metadata.api.datasource.DatasourceDefinition; import com.thinkbiganalytics.metadata.modeshape.MetadataRepositoryException; import com.thinkbiganalytics.metadata.modeshape.common.AbstractJcrAuditableSystemEntity; import com.thinkbiganalytics.metadata.modeshape.common.JcrEntity; import com.thinkbiganalytics.metadata.modeshape.support.JcrPropertyUtil; import org.apache.commons.lang3.StringUtils; import java.io.Serializable; import java.util.Set; import java.util.stream.Collectors; import javax.jcr.Node; import javax.jcr.RepositoryException; /** */ public class JcrDatasourceDefinition extends AbstractJcrAuditableSystemEntity implements DatasourceDefinition { public static final String CONNECTION_TYPE = "tba:connectionType"; public static final String DATASOURCE_TYPE = "tba:datasourceType"; public static final String PROCESSOR_TYPE = "tba:processorType"; public static final String DATASOURCE_PROPERTY_KEYS = "tba:datasourcePropertyKeys"; public static final String IDENTITY_STRING = "tba:identityString"; public static final String NODE_TYPE = "tba:datasourceDefinition"; public JcrDatasourceDefinition(Node node) { super(node); } public Set<String> getDatasourcePropertyKeys() { Set<String> props = JcrPropertyUtil.getSetProperty(this.node, DATASOURCE_PROPERTY_KEYS); return props; } public void setDatasourcePropertyKeys(Set<String> propertyKeys) { JcrPropertyUtil.setProperty(this.node, DATASOURCE_PROPERTY_KEYS, propertyKeys); } @Override public ConnectionType getConnectionType() { return JcrPropertyUtil.getEnum(this.node, CONNECTION_TYPE, DatasourceDefinition.ConnectionType.class, null); } @Override public void setConnectionType(ConnectionType type) { JcrPropertyUtil.setProperty(this.node, CONNECTION_TYPE, type.name()); } @Override public String getProcessorType() { return JcrPropertyUtil.getProperty(this.node, PROCESSOR_TYPE, true); } @Override public void setProcessorType(String processorType) { JcrPropertyUtil.setProperty(this.node, PROCESSOR_TYPE, processorType); } public DatasourceDefinitionId getId() { try { return new JcrDatasourceDefinition.DatasourceDefinitionId(getObjectId()); } catch (RepositoryException e) { throw new MetadataRepositoryException("Failed to retrieve the entity id", e); } } @Override public String getIdentityString() { String identityString = JcrPropertyUtil.getProperty(this.node, IDENTITY_STRING, true); if (StringUtils.isBlank(identityString)) { identityString = getDatasourcePropertyKeys().stream().map(key -> "${" + key + "}") .collect(Collectors.joining(",")); } return identityString; } @Override public void setIdentityString(String identityString) { JcrPropertyUtil.setProperty(this.node, IDENTITY_STRING, identityString); } @Override public String getDatasourceType() { return JcrPropertyUtil.getProperty(this.node, DATASOURCE_TYPE); } @Override public void setDatasourceType(String dsType) { JcrPropertyUtil.setProperty(this.node, DATASOURCE_TYPE, dsType); } @Override public void setTile(String title) { JcrPropertyUtil.setProperty(this.node, TITLE, title); } public String getTitle() { return JcrPropertyUtil.getProperty(this.node, TITLE, true); } public static class DatasourceDefinitionId extends JcrEntity.EntityId implements DatasourceDefinition.ID { public DatasourceDefinitionId(Serializable ser) { super(ser); } } }