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/*
* Copyright 2010 Red Hat, Inc. and/or its affiliates.
*
* 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 org.drools.core.base.extractors;
import java.lang.reflect.Method;
import java.util.Date;
import org.drools.core.base.BaseClassFieldReader;
import org.drools.core.base.ValueType;
import org.drools.core.common.InternalWorkingMemory;
public abstract class BaseDateClassFieldReader extends BaseClassFieldReader {
private static final long serialVersionUID = 510l;
public BaseDateClassFieldReader() {
}
/**
* This constructor is not supposed to be used from outside the class hirarchy
*
* @param index
* @param fieldType
* @param valueType
*/
protected BaseDateClassFieldReader(final int index,
final Class fieldType,
final ValueType valueType) {
super( index,
fieldType,
valueType );
}
public Object getValue(InternalWorkingMemory workingMemory, final Object object) {
return object;
}
public boolean getBooleanValue(InternalWorkingMemory workingMemory, final Object object) {
throw new RuntimeException( "Conversion to boolean not supported from Date" );
}
public byte getByteValue(InternalWorkingMemory workingMemory, final Object object) {
return (byte) getLongValue( workingMemory, object );
}
public char getCharValue(InternalWorkingMemory workingMemory, final Object object) {
return (char) getLongValue( workingMemory, object );
}
public double getDoubleValue(InternalWorkingMemory workingMemory, final Object object) {
return getLongValue( workingMemory, object );
}
public float getFloatValue(InternalWorkingMemory workingMemory, final Object object) {
return getLongValue( workingMemory, object );
}
public int getIntValue(InternalWorkingMemory workingMemory, final Object object) {
return (int) getLongValue( workingMemory, object );
}
public long getLongValue(InternalWorkingMemory workingMemory, Object object) {
return getDate( workingMemory, object ).getTime();
}
protected Date getDate( InternalWorkingMemory workingMemory, Object object ) {
return (Date)getValue( workingMemory, object );
}
public short getShortValue(InternalWorkingMemory workingMemory, final Object object) {
return (short) getLongValue( workingMemory, object );
}
public boolean isNullValue(InternalWorkingMemory workingMemory, final Object object) {
if ( object == null ) {
return true;
} else {
return getValue( workingMemory,
object ) == null;
}
}
public Method getNativeReadMethod() {
try {
return this.getClass().getDeclaredMethod( "getValue",
new Class[]{InternalWorkingMemory.class, Object.class} );
} catch ( final Exception e ) {
throw new RuntimeException( "This is a bug. Please report to development team: " + e.getMessage(),
e );
}
}
public String getNativeReadMethodName() {
return "getValue";
}
public int getHashCode(InternalWorkingMemory workingMemory, final Object object) {
final long temp = getLongValue( workingMemory, object );
return (int) (temp ^ (temp >>> 32));
}
}