| /* |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.camel.component.jdbc; |
| |
| import java.util.Map; |
| |
| import javax.sql.DataSource; |
| |
| import org.apache.camel.Component; |
| import org.apache.camel.Consumer; |
| import org.apache.camel.Processor; |
| import org.apache.camel.Producer; |
| import org.apache.camel.spi.Metadata; |
| import org.apache.camel.spi.UriEndpoint; |
| import org.apache.camel.spi.UriParam; |
| import org.apache.camel.spi.UriPath; |
| import org.apache.camel.support.DefaultEndpoint; |
| |
| /** |
| * The jdbc component enables you to access databases through JDBC, where SQL queries are sent in the message body. |
| */ |
| @UriEndpoint(firstVersion = "1.2.0", scheme = "jdbc", title = "JDBC", syntax = "jdbc:dataSourceName", producerOnly = true, label = "database,sql") |
| public class JdbcEndpoint extends DefaultEndpoint { |
| |
| private DataSource dataSource; |
| |
| @UriPath |
| @Metadata(required = true) |
| private String dataSourceName; |
| @UriParam |
| private int readSize; |
| @UriParam |
| private boolean transacted; |
| @UriParam(defaultValue = "true") |
| private boolean resetAutoCommit = true; |
| @UriParam(prefix = "statement.", multiValue = true) |
| private Map<String, Object> parameters; |
| @UriParam(defaultValue = "true") |
| private boolean useJDBC4ColumnNameAndLabelSemantics = true; |
| @UriParam |
| private boolean useGetBytesForBlob; |
| @UriParam(label = "advanced") |
| private JdbcPrepareStatementStrategy prepareStatementStrategy = new DefaultJdbcPrepareStatementStrategy(); |
| @UriParam(defaultValue = "true") |
| private boolean allowNamedParameters = true; |
| @UriParam |
| private boolean useHeadersAsParameters; |
| @UriParam(defaultValue = "SelectList") |
| private JdbcOutputType outputType = JdbcOutputType.SelectList; |
| @UriParam |
| private String outputClass; |
| @UriParam(label = "advanced") |
| private BeanRowMapper beanRowMapper = new DefaultBeanRowMapper(); |
| |
| public JdbcEndpoint() { |
| } |
| |
| public JdbcEndpoint(String endpointUri, Component component, DataSource dataSource) { |
| super(endpointUri, component); |
| this.dataSource = dataSource; |
| } |
| |
| @Override |
| public Consumer createConsumer(Processor processor) throws Exception { |
| throw new UnsupportedOperationException("Not supported"); |
| } |
| |
| @Override |
| public Producer createProducer() throws Exception { |
| return new JdbcProducer(this, dataSource, readSize, parameters); |
| } |
| |
| public String getDataSourceName() { |
| return dataSourceName; |
| } |
| |
| /** |
| * Name of DataSource to lookup in the Registry. If the name is dataSource or default, then Camel |
| * will attempt to lookup a default DataSource from the registry, meaning if there is a only |
| * one instance of DataSource found, then this DataSource will be used. |
| */ |
| public void setDataSourceName(String dataSourceName) { |
| this.dataSourceName = dataSourceName; |
| } |
| |
| public int getReadSize() { |
| return readSize; |
| } |
| |
| /** |
| * The default maximum number of rows that can be read by a polling query. The default value is 0. |
| */ |
| public void setReadSize(int readSize) { |
| this.readSize = readSize; |
| } |
| |
| public boolean isTransacted() { |
| return transacted; |
| } |
| |
| /** |
| * Whether transactions are in use. |
| */ |
| public void setTransacted(boolean transacted) { |
| this.transacted = transacted; |
| } |
| |
| public boolean isResetAutoCommit() { |
| return resetAutoCommit; |
| } |
| |
| /** |
| * Camel will set the autoCommit on the JDBC connection to be false, commit the change after executed the statement and reset |
| * the autoCommit flag of the connection at the end, if the resetAutoCommit is true. If the JDBC connection doesn't support |
| * to reset the autoCommit flag, you can set the resetAutoCommit flag to be false, and Camel will not try to reset the autoCommit flag. |
| * When used with XA transactions you most likely need to set it to false so that the transaction manager is in charge of committing this tx. |
| */ |
| public void setResetAutoCommit(boolean resetAutoCommit) { |
| this.resetAutoCommit = resetAutoCommit; |
| } |
| |
| public DataSource getDataSource() { |
| return dataSource; |
| } |
| |
| /** |
| * The data source to use |
| */ |
| public void setDataSource(DataSource dataSource) { |
| this.dataSource = dataSource; |
| } |
| |
| public Map<String, Object> getParameters() { |
| return parameters; |
| } |
| |
| /** |
| * Optional parameters to the {@link java.sql.Statement}. |
| * <p/> |
| * For example to set maxRows, fetchSize etc. |
| * |
| * @param parameters parameters which will be set using reflection |
| */ |
| public void setParameters(Map<String, Object> parameters) { |
| this.parameters = parameters; |
| } |
| |
| public boolean isUseJDBC4ColumnNameAndLabelSemantics() { |
| return useJDBC4ColumnNameAndLabelSemantics; |
| } |
| |
| /** |
| * Sets whether to use JDBC 4 or JDBC 3.0 or older semantic when retrieving column name. |
| * <p/> |
| * JDBC 4.0 uses columnLabel to get the column name where as JDBC 3.0 uses both columnName or columnLabel. |
| * Unfortunately JDBC drivers behave differently so you can use this option to work out issues around your |
| * JDBC driver if you get problem using this component |
| * <p/> |
| * This option is default <tt>true</tt>. |
| * |
| * @param useJDBC4ColumnNameAndLabelSemantics <tt>true</tt> to use JDBC 4.0 semantics, <tt>false</tt> to use JDBC 3.0. |
| */ |
| public void setUseJDBC4ColumnNameAndLabelSemantics(boolean useJDBC4ColumnNameAndLabelSemantics) { |
| this.useJDBC4ColumnNameAndLabelSemantics = useJDBC4ColumnNameAndLabelSemantics; |
| } |
| |
| public JdbcPrepareStatementStrategy getPrepareStatementStrategy() { |
| return prepareStatementStrategy; |
| } |
| |
| /** |
| * Allows to plugin to use a custom org.apache.camel.component.jdbc.JdbcPrepareStatementStrategy to control preparation of the query and prepared statement. |
| */ |
| public void setPrepareStatementStrategy(JdbcPrepareStatementStrategy prepareStatementStrategy) { |
| this.prepareStatementStrategy = prepareStatementStrategy; |
| } |
| |
| public boolean isAllowNamedParameters() { |
| return allowNamedParameters; |
| } |
| |
| /** |
| * Whether to allow using named parameters in the queries. |
| */ |
| public void setAllowNamedParameters(boolean allowNamedParameters) { |
| this.allowNamedParameters = allowNamedParameters; |
| } |
| |
| public boolean isUseHeadersAsParameters() { |
| return useHeadersAsParameters; |
| } |
| |
| /** |
| * Set this option to true to use the prepareStatementStrategy with named parameters. |
| * This allows to define queries with named placeholders, and use headers with the dynamic values for the query placeholders. |
| */ |
| public void setUseHeadersAsParameters(boolean useHeadersAsParameters) { |
| this.useHeadersAsParameters = useHeadersAsParameters; |
| } |
| |
| public JdbcOutputType getOutputType() { |
| return outputType; |
| } |
| |
| /** |
| * Determines the output the producer should use. |
| */ |
| public void setOutputType(JdbcOutputType outputType) { |
| this.outputType = outputType; |
| } |
| |
| public String getOutputClass() { |
| return outputClass; |
| } |
| |
| /** |
| * Specify the full package and class name to use as conversion when outputType=SelectOne or SelectList. |
| */ |
| public void setOutputClass(String outputClass) { |
| this.outputClass = outputClass; |
| } |
| |
| public BeanRowMapper getBeanRowMapper() { |
| return beanRowMapper; |
| } |
| |
| /** |
| * To use a custom org.apache.camel.component.jdbc.BeanRowMapper when using outputClass. |
| * The default implementation will lower case the row names and skip underscores, and dashes. For example "CUST_ID" is mapped as "custId". |
| */ |
| public void setBeanRowMapper(BeanRowMapper beanRowMapper) { |
| this.beanRowMapper = beanRowMapper; |
| } |
| |
| public boolean isUseGetBytesForBlob() { |
| return this.useGetBytesForBlob; |
| } |
| |
| /** |
| * To read BLOB columns as bytes instead of string data. |
| * <p/> |
| * This may be needed for certain databases such as Oracle where you must read BLOB columns as bytes. |
| */ |
| public void setUseGetBytesForBlob(boolean useGetBytesForBlob) { |
| this.useGetBytesForBlob = useGetBytesForBlob; |
| } |
| |
| @Override |
| protected String createEndpointUri() { |
| return dataSourceName != null ? "jdbc:" + dataSourceName : "jdbc"; |
| } |
| } |