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/*
* 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";
}
}