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com.landawn.abacus.util.Columns Maven / Gradle / Ivy
package com.landawn.abacus.util;
import java.io.InputStream;
import java.io.Reader;
import java.math.BigDecimal;
import java.sql.Blob;
import java.sql.Clob;
import java.sql.Date;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Time;
import java.sql.Timestamp;
import java.util.Map;
import com.landawn.abacus.type.Type;
import com.landawn.abacus.util.JdbcUtil.BiParametersSetter;
import com.landawn.abacus.util.JdbcUtil.RowMapper;
public final class Columns {
private Columns() {
// singleton for utility class
}
public static final class ColumnOne {
public static final RowMapper GET_BOOLEAN = rs -> rs.getBoolean(1);
public static final RowMapper GET_BYTE = rs -> rs.getByte(1);
public static final RowMapper GET_SHORT = rs -> rs.getShort(1);
public static final RowMapper GET_INT = rs -> rs.getInt(1);
public static final RowMapper GET_LONG = rs -> rs.getLong(1);
public static final RowMapper GET_FLOAT = rs -> rs.getFloat(1);
public static final RowMapper GET_DOUBLE = rs -> rs.getDouble(1);
public static final RowMapper GET_BIG_DECIMAL = rs -> rs.getBigDecimal(1);
public static final RowMapper GET_STRING = rs -> rs.getString(1);
public static final RowMapper GET_DATE = rs -> rs.getDate(1);
public static final RowMapper GET_TIME = rs -> rs.getTime(1);
public static final RowMapper GET_TIMESTAMP = rs -> rs.getTimestamp(1);
public static final RowMapper GET_BYTES = rs -> rs.getBytes(1);
public static final RowMapper GET_BINARY_STREAM = rs -> rs.getBinaryStream(1);
public static final RowMapper GET_CHARACTER_STREAM = rs -> rs.getCharacterStream(1);
public static final RowMapper GET_BLOB = rs -> rs.getBlob(1);
public static final RowMapper GET_CLOB = rs -> rs.getClob(1);
// [INFO] Compiling 42 source files to C:\Users\haiyangl\Landawn\abacus-jdbc\trunk\target\classes
// An exception has occurred in the compiler (1.8.0_231). Please file a bug against the Java compiler via the Java bug reporting page (http://bugreport.java.com) a
// fter checking the Bug Database (http://bugs.java.com) for duplicates. Include your program and the following diagnostic in your report. Thank you.
// java.lang.AssertionError
// at com.sun.tools.javac.util.Assert.error(Assert.java:126)
// at com.sun.tools.javac.util.Assert.check(Assert.java:45)
// at com.sun.tools.javac.code.Types.functionalInterfaceBridges(Types.java:659)
// at com.sun.tools.javac.comp.LambdaToMethod$LambdaAnalyzerPreprocessor$TranslationContext.(LambdaToMethod.java:1770)
// at com.sun.tools.javac.comp.LambdaToMethod$LambdaAnalyzerPreprocessor$LambdaTranslationContext.(LambdaToMethod.java:1853)
// at com.sun.tools.javac.comp.LambdaToMethod$LambdaAnalyzerPreprocessor.analyzeLambda(LambdaToMethod.java:1337)
// at com.sun.tools.javac.comp.LambdaToMethod$LambdaAnalyzerPreprocessor.visitLambda(LambdaToMethod.java:1322)
// at com.sun.tools.javac.tree.JCTree$JCLambda.accept(JCTree.java:1624)
// .............
// at org.apache.maven.plugin.compiler.AbstractCompilerMojo.execute(AbstractCompilerMojo.java:785)
// at org.apache.maven.plugin.compiler.CompilerMojo.execute(CompilerMojo.java:129)
// at org.apache.maven.plugin.DefaultBuildPluginManager.executeMojo(DefaultBuildPluginManager.java:137)
// at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:210)
// at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:156)
// at org.apache.maven.lifecycle.internal.MojoExecutor.execute(MojoExecutor.java:148)
// at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:117)
// at org.apache.maven.lifecycle.internal.LifecycleModuleBuilder.buildProject(LifecycleModuleBuilder.java:81)
// at org.apache.maven.lifecycle.internal.builder.singlethreaded.SingleThreadedBuilder.build(SingleThreadedBuilder.java:56)
// at org.apache.maven.lifecycle.internal.LifecycleStarter.execute(LifecycleStarter.java:128)
// at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:305)
// at org.apache.maven.DefaultMaven.doExecute(DefaultMaven.java:192)
// at org.apache.maven.DefaultMaven.execute(DefaultMaven.java:105)
// at org.apache.maven.cli.MavenCli.execute(MavenCli.java:957)
// at org.apache.maven.cli.MavenCli.doMain(MavenCli.java:289)
// at org.apache.maven.cli.MavenCli.main(MavenCli.java:193)
// at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
// at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
// at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
// at java.lang.reflect.Method.invoke(Method.java:498)
// at org.codehaus.plexus.classworlds.launcher.Launcher.launchEnhanced(Launcher.java:282)
// at org.codehaus.plexus.classworlds.launcher.Launcher.launch(Launcher.java:225)
// at org.codehaus.plexus.classworlds.launcher.Launcher.mainWithExitCode(Launcher.java:406)
// at org.codehaus.plexus.classworlds.launcher.Launcher.main(Launcher.java:347)
// [INFO] -------------------------------------------------------------
// [ERROR] COMPILATION ERROR :
// [INFO] -------------------------------------------------------------
// [ERROR] An unknown compilation problem occurred
// [INFO] 1 error
// [INFO] -------------------------------------------------------------
// [INFO] ------------------------------------------------------------------------
// [INFO] BUILD FAILURE
// [INFO] ------------------------------------------------------------------------
// [INFO] Total time: 12.852 s
// [INFO] Finished at: 2020-05-10T15:12:38-07:00
// [INFO] ------------------------------------------------------------------------
// [ERROR] Failed to execute goal org.apache.maven.plugins:maven-compiler-plugin:3.1:compile (default-compile) on project abacus-jdbc: Compilation failure
// [ERROR] An unknown compilation problem occurred
// [ERROR]
// [ERROR] -> [Help 1]
// [ERROR]
// [ERROR] To see the full stack trace of the errors, re-run Maven with the -e switch.
// [ERROR] Re-run Maven using the -X switch to enable full debug logging.
// [ERROR]
// [ERROR] For more information about the errors and possible solutions, please read the following articles:
// [ERROR] [Help 1] http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
// @SuppressWarnings("rawtypes")
// public static final RowMapper GET_OBJECT = rs -> rs.getObject(1);
public static final RowMapper GET_OBJECT = rs -> rs.getObject(1);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BOOLEAN = (preparedQuery, x) -> preparedQuery.setBoolean(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BYTE = (preparedQuery, x) -> preparedQuery.setByte(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_SHORT = (preparedQuery, x) -> preparedQuery.setShort(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_INT = (preparedQuery, x) -> preparedQuery.setInt(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_LONG = (preparedQuery, x) -> preparedQuery.setLong(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_FLOAT = (preparedQuery, x) -> preparedQuery.setFloat(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_DOUBLE = (preparedQuery, x) -> preparedQuery.setDouble(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BIG_DECIMAL = (preparedQuery, x) -> preparedQuery.setBigDecimal(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_STRING = (preparedQuery, x) -> preparedQuery.setString(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_DATE = (preparedQuery, x) -> preparedQuery.setDate(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_TIME = (preparedQuery, x) -> preparedQuery.setTime(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_TIMESTAMP = (preparedQuery, x) -> preparedQuery.setTimestamp(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_DATE_2 = (preparedQuery, x) -> preparedQuery.setDate(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_TIME_2 = (preparedQuery, x) -> preparedQuery.setTime(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_TIMESTAMP_2 = (preparedQuery, x) -> preparedQuery.setTimestamp(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BYTES = (preparedQuery, x) -> preparedQuery.setBytes(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BINARY_STREAM = (preparedQuery, x) -> preparedQuery.setBinaryStream(1,
x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_CHARACTER_STREAM = (preparedQuery, x) -> preparedQuery.setCharacterStream(1,
x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BLOB = (preparedQuery, x) -> preparedQuery.setBlob(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_CLOB = (preparedQuery, x) -> preparedQuery.setClob(1, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_OBJECT = (preparedQuery, x) -> preparedQuery.setObject(1, x);
private ColumnOne() {
// singleton for utility class
}
@SuppressWarnings("rawtypes")
static final Map, JdbcUtil.RowMapper> rowMapperPool = new ObjectPool<>(1024);
public static RowMapper getObject() {
return (RowMapper) GET_OBJECT;
}
/**
* Gets the values from the first column.
*
* @param
* @param firstColumnType
* @return
*/
public static RowMapper get(final Class firstColumnType) {
return get(N.typeOf(firstColumnType));
}
/**
* Gets the values from the first column.
*
* @param
* @param type
* @return
*/
public static RowMapper get(final Type type) {
RowMapper result = rowMapperPool.get(type);
if (result == null) {
result = rs -> type.get(rs, 1);
rowMapperPool.put(type, result);
}
return result;
}
@SuppressWarnings("rawtypes")
public static BiParametersSetter set(final Class type) {
return set(N.typeOf(type));
}
@SuppressWarnings("rawtypes")
public static BiParametersSetter set(final Type type) {
return (preparedQuery, x) -> type.set(preparedQuery.stmt, 1, x);
}
}
public static final class ColumnTwo {
public static final RowMapper GET_BOOLEAN = rs -> rs.getBoolean(2);
public static final RowMapper GET_BYTE = rs -> rs.getByte(2);
public static final RowMapper GET_SHORT = rs -> rs.getShort(2);
public static final RowMapper GET_INT = rs -> rs.getInt(2);
public static final RowMapper GET_LONG = rs -> rs.getLong(2);
public static final RowMapper GET_FLOAT = rs -> rs.getFloat(2);
public static final RowMapper GET_DOUBLE = rs -> rs.getDouble(2);
public static final RowMapper GET_BIG_DECIMAL = rs -> rs.getBigDecimal(2);
public static final RowMapper GET_STRING = rs -> rs.getString(2);
public static final RowMapper GET_DATE = rs -> rs.getDate(2);
public static final RowMapper GET_TIME = rs -> rs.getTime(2);
public static final RowMapper GET_TIMESTAMP = rs -> rs.getTimestamp(2);
public static final RowMapper GET_BYTES = rs -> rs.getBytes(2);
public static final RowMapper GET_BINARY_STREAM = rs -> rs.getBinaryStream(2);
public static final RowMapper GET_CHARACTER_STREAM = rs -> rs.getCharacterStream(2);
public static final RowMapper GET_BLOB = rs -> rs.getBlob(2);
public static final RowMapper GET_CLOB = rs -> rs.getClob(2);
public static final RowMapper GET_OBJECT = rs -> rs.getObject(2);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BOOLEAN = (preparedQuery, x) -> preparedQuery.setBoolean(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BYTE = (preparedQuery, x) -> preparedQuery.setByte(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_SHORT = (preparedQuery, x) -> preparedQuery.setShort(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_INT = (preparedQuery, x) -> preparedQuery.setInt(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_LONG = (preparedQuery, x) -> preparedQuery.setLong(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_FLOAT = (preparedQuery, x) -> preparedQuery.setFloat(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_DOUBLE = (preparedQuery, x) -> preparedQuery.setDouble(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BIG_DECIMAL = (preparedQuery, x) -> preparedQuery.setBigDecimal(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_STRING = (preparedQuery, x) -> preparedQuery.setString(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_DATE = (preparedQuery, x) -> preparedQuery.setDate(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_TIME = (preparedQuery, x) -> preparedQuery.setTime(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_TIMESTAMP = (preparedQuery, x) -> preparedQuery.setTimestamp(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_DATE_2 = (preparedQuery, x) -> preparedQuery.setDate(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_TIME_2 = (preparedQuery, x) -> preparedQuery.setTime(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_TIMESTAMP_2 = (preparedQuery, x) -> preparedQuery.setTimestamp(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BYTES = (preparedQuery, x) -> preparedQuery.setBytes(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BINARY_STREAM = (preparedQuery, x) -> preparedQuery.setBinaryStream(2,
x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_CHARACTER_STREAM = (preparedQuery, x) -> preparedQuery.setCharacterStream(2,
x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BLOB = (preparedQuery, x) -> preparedQuery.setBlob(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_CLOB = (preparedQuery, x) -> preparedQuery.setClob(2, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_OBJECT = (preparedQuery, x) -> preparedQuery.setObject(2, x);
private ColumnTwo() {
// singleton for utility class
}
@SuppressWarnings("rawtypes")
static final Map, JdbcUtil.RowMapper> rowMapperPool = new ObjectPool<>(1024);
public static RowMapper getObject() {
return (RowMapper) GET_OBJECT;
}
/**
* Gets the values from the first column.
*
* @param
* @param firstColumnType
* @return
*/
public static RowMapper get(final Class firstColumnType) {
return get(N.typeOf(firstColumnType));
}
/**
* Gets the values from the first column.
*
* @param
* @param type
* @return
*/
public static RowMapper get(final Type type) {
RowMapper result = rowMapperPool.get(type);
if (result == null) {
result = rs -> type.get(rs, 2);
rowMapperPool.put(type, result);
}
return result;
}
@SuppressWarnings("rawtypes")
public static BiParametersSetter set(final Class type) {
return set(N.typeOf(type));
}
@SuppressWarnings("rawtypes")
public static BiParametersSetter set(final Type type) {
return (preparedQuery, x) -> type.set(preparedQuery.stmt, 2, x);
}
}
public static final class ColumnThree {
public static final RowMapper GET_BOOLEAN = rs -> rs.getBoolean(3);
public static final RowMapper GET_BYTE = rs -> rs.getByte(3);
public static final RowMapper GET_SHORT = rs -> rs.getShort(3);
public static final RowMapper GET_INT = rs -> rs.getInt(3);
public static final RowMapper GET_LONG = rs -> rs.getLong(3);
public static final RowMapper GET_FLOAT = rs -> rs.getFloat(3);
public static final RowMapper GET_DOUBLE = rs -> rs.getDouble(3);
public static final RowMapper GET_BIG_DECIMAL = rs -> rs.getBigDecimal(3);
public static final RowMapper GET_STRING = rs -> rs.getString(3);
public static final RowMapper GET_DATE = rs -> rs.getDate(3);
public static final RowMapper GET_TIME = rs -> rs.getTime(3);
public static final RowMapper GET_TIMESTAMP = rs -> rs.getTimestamp(3);
public static final RowMapper GET_BYTES = rs -> rs.getBytes(3);
public static final RowMapper GET_BINARY_STREAM = rs -> rs.getBinaryStream(3);
public static final RowMapper GET_CHARACTER_STREAM = rs -> rs.getCharacterStream(3);
public static final RowMapper GET_BLOB = rs -> rs.getBlob(3);
public static final RowMapper GET_CLOB = rs -> rs.getClob(3);
public static final RowMapper GET_OBJECT = rs -> rs.getObject(3);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BOOLEAN = (preparedQuery, x) -> preparedQuery.setBoolean(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BYTE = (preparedQuery, x) -> preparedQuery.setByte(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_SHORT = (preparedQuery, x) -> preparedQuery.setShort(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_INT = (preparedQuery, x) -> preparedQuery.setInt(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_LONG = (preparedQuery, x) -> preparedQuery.setLong(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_FLOAT = (preparedQuery, x) -> preparedQuery.setFloat(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_DOUBLE = (preparedQuery, x) -> preparedQuery.setDouble(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BIG_DECIMAL = (preparedQuery, x) -> preparedQuery.setBigDecimal(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_STRING = (preparedQuery, x) -> preparedQuery.setString(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_DATE = (preparedQuery, x) -> preparedQuery.setDate(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_TIME = (preparedQuery, x) -> preparedQuery.setTime(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_TIMESTAMP = (preparedQuery, x) -> preparedQuery.setTimestamp(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_DATE_2 = (preparedQuery, x) -> preparedQuery.setDate(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_TIME_2 = (preparedQuery, x) -> preparedQuery.setTime(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_TIMESTAMP_2 = (preparedQuery, x) -> preparedQuery.setTimestamp(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BYTES = (preparedQuery, x) -> preparedQuery.setBytes(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BINARY_STREAM = (preparedQuery, x) -> preparedQuery.setBinaryStream(3,
x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_CHARACTER_STREAM = (preparedQuery, x) -> preparedQuery.setCharacterStream(3,
x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_BLOB = (preparedQuery, x) -> preparedQuery.setBlob(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_CLOB = (preparedQuery, x) -> preparedQuery.setClob(3, x);
@SuppressWarnings("rawtypes")
public static final BiParametersSetter SET_OBJECT = (preparedQuery, x) -> preparedQuery.setObject(3, x);
private ColumnThree() {
// singleton for utility class
}
@SuppressWarnings("rawtypes")
static final Map, JdbcUtil.RowMapper> rowMapperPool = new ObjectPool<>(1024);
public static RowMapper getObject() {
return (RowMapper) GET_OBJECT;
}
/**
* Gets the values from the first column.
*
* @param
* @param firstColumnType
* @return
*/
public static RowMapper get(final Class firstColumnType) {
return get(N.typeOf(firstColumnType));
}
/**
* Gets the values from the first column.
*
* @param
* @param type
* @return
*/
public static RowMapper get(final Type type) {
RowMapper result = rowMapperPool.get(type);
if (result == null) {
result = rs -> type.get(rs, 3);
rowMapperPool.put(type, result);
}
return result;
}
@SuppressWarnings("rawtypes")
public static BiParametersSetter set(final Class type) {
return set(N.typeOf(type));
}
@SuppressWarnings("rawtypes")
public static BiParametersSetter set(final Type type) {
return (preparedQuery, x) -> type.set(preparedQuery.stmt, 3, x);
}
}
public interface ColumnGetter {
ColumnGetter GET_BOOLEAN = (columnIndex, rs) -> rs.getBoolean(columnIndex);
ColumnGetter GET_BYTE = (columnIndex, rs) -> rs.getByte(columnIndex);
ColumnGetter GET_SHORT = (columnIndex, rs) -> rs.getShort(columnIndex);
ColumnGetter GET_INT = (columnIndex, rs) -> rs.getInt(columnIndex);
ColumnGetter GET_LONG = (columnIndex, rs) -> rs.getLong(columnIndex);
ColumnGetter GET_FLOAT = (columnIndex, rs) -> rs.getFloat(columnIndex);
ColumnGetter GET_DOUBLE = (columnIndex, rs) -> rs.getDouble(columnIndex);
ColumnGetter GET_BIG_DECIMAL = (columnIndex, rs) -> rs.getBigDecimal(columnIndex);
ColumnGetter GET_STRING = (columnIndex, rs) -> rs.getString(columnIndex);
ColumnGetter GET_DATE = (columnIndex, rs) -> rs.getDate(columnIndex);
ColumnGetter GET_TIME = (columnIndex, rs) -> rs.getTime(columnIndex);
ColumnGetter GET_TIMESTAMP = (columnIndex, rs) -> rs.getTimestamp(columnIndex);
ColumnGetter GET_BYTES = (columnIndex, rs) -> rs.getBytes(columnIndex);
ColumnGetter GET_BINARY_STREAM = (columnIndex, rs) -> rs.getBinaryStream(columnIndex);
ColumnGetter GET_CHARACTER_STREAM = (columnIndex, rs) -> rs.getCharacterStream(columnIndex);
ColumnGetter GET_BLOB = (columnIndex, rs) -> rs.getBlob(columnIndex);
ColumnGetter GET_CLOB = (columnIndex, rs) -> rs.getClob(columnIndex);
@SuppressWarnings("rawtypes")
public static final ColumnGetter GET_OBJECT = new ColumnGetter() {
@Override
public Object apply(int columnIndex, ResultSet rs) throws SQLException {
return rs.getObject(columnIndex);
}
};
/**
*
* @param columnIndex start from 1
* @param rs
* @return
* @throws SQLException
*/
V apply(int columnIndex, ResultSet rs) throws SQLException;
static ColumnGetter get(final Class cls) {
return get(N.typeOf(cls));
}
static ColumnGetter get(final Type type) {
ColumnGetter columnGetter = JdbcUtil.COLUMN_GETTER_POOL.get(type);
if (columnGetter == null) {
columnGetter = new ColumnGetter() {
@Override
public T apply(int columnIndex, ResultSet rs) throws SQLException {
return type.get(rs, columnIndex);
}
};
JdbcUtil.COLUMN_GETTER_POOL.put(type, columnGetter);
}
return (ColumnGetter) columnGetter;
}
}
}
