com.speedment.runtime.core.internal.db.metadata.TypeInfoMetaDataImpl Maven / Gradle / Ivy
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A Speedment bundle that shades all dependencies into one jar. This is
useful when deploying an application on a server.
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/*
*
* Copyright (c) 2006-2019, Speedment, Inc. All Rights Reserved.
*
* 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 com.speedment.runtime.core.internal.db.metadata;
import com.speedment.runtime.core.db.metadata.TypeInfoMetaData;
import java.sql.DatabaseMetaData;
import static java.util.Objects.requireNonNull;
/**
*
* @author pemi
*/
public final class TypeInfoMetaDataImpl implements TypeInfoMetaData {
//http://docs.oracle.com/javase/7/docs/api/java/sql/DatabaseMetaData.html#getTypeInfo()
private final String sqlTypeName;
private final int javaSqlTypeInt;
private final int precision;
private final int decimals;
private final short nullable;
private final boolean unsigned;
public TypeInfoMetaDataImpl(String sqlTypeName, int javaSqlTypeInt, int precision, int decimals, short nullable, boolean unsigned) {
this.sqlTypeName = requireNonNull(sqlTypeName);
this.javaSqlTypeInt = javaSqlTypeInt;
this.precision = precision;
this.decimals = decimals;
this.nullable = nullable;
this.unsigned = unsigned;
}
// private static final Map JAVA_SQL_TYPE_INT_TO_STRING_MAP = new HashMap<>();
//
// static {
// // Get all field in java.sql.Types using reflection
// final Field[] fields = java.sql.Types.class.getFields();
// for (final Field field : fields) {
// try {
// final String name = field.getName();
// final Integer value = (Integer) field.get(null);
// JAVA_SQL_TYPE_INT_TO_STRING_MAP.put(value, name);
// } catch (final IllegalAccessException e) {
// throw new SpeedmentException(e);
// }
// }
// }
@Override
public String getSqlTypeName() {
return sqlTypeName;
}
@Override
public int getJavaSqlTypeInt() {
return javaSqlTypeInt;
}
@Override
public int getPrecision() {
return precision;
}
@Override
public int getDecimals() {
return decimals;
}
@Override
public short getNullable() {
return nullable;
}
@Override
public boolean isNoNulls() {
return nullable == DatabaseMetaData.attributeNoNulls;
}
@Override
public boolean isNullable() {
return nullable == DatabaseMetaData.attributeNullable;
}
@Override
public boolean isNullableUnknown() {
return nullable == DatabaseMetaData.attributeNullableUnknown;
}
@Override
public boolean isUnsigned() {
return unsigned;
}
@Override
public String toString() {
return getSqlTypeName()
+ " " + (isUnsigned() ? "UNSIGNED" : "")
+ " " + getPrecision()
+ " " + getDecimals()
+ " " + (isNullable() ? "NULL" : "")
+ " " + (isNoNulls() ? "NOT NULL" : "")
+ " (" + getJavaSqlTypeInt() + ")";
}
}