com.avaje.ebeaninternal.server.ldap.expression.LdSimpleExpression Maven / Gradle / Ivy

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package com.avaje.ebeaninternal.server.ldap.expression;

import com.avaje.ebean.event.BeanQueryRequest;
import com.avaje.ebeaninternal.api.SpiExpressionRequest;
import com.avaje.ebeaninternal.api.SpiLuceneExpr;
import com.avaje.ebeaninternal.server.el.ElPropertyValue;
import com.avaje.ebeaninternal.server.query.LuceneResolvableRequest;
import com.avaje.ebeaninternal.server.type.ScalarType;


class LdSimpleExpression extends LdAbstractExpression {

    private static final long serialVersionUID = 4091359751840929075L;

    enum Op { 
		EQ {
			public String toString() {
				return "=";
			}
		},
		NOT_EQ {
			public String toString() {
				return "<>";
			}
		},
		LT {
			public String toString() {
				return "<";
			}
		},
		LT_EQ {
			public String toString() {
				return "<=";
			}
		},
		GT {
			public String toString() {
				return ">";
			}
		},
		GT_EQ {
			public String toString() {
				return ">=";
			}
		}
	}
		
	private final Op type;
	
	private final Object value;
	
	public LdSimpleExpression(String propertyName, Op type, Object value) {
		super(propertyName);
		this.type = type;
		this.value = value;
	}
		
	public boolean isLuceneResolvable(LuceneResolvableRequest req) {
        return false;
    }

    public SpiLuceneExpr createLuceneExpr(SpiExpressionRequest request) {
        return null;
    }
    
    public String getPropertyName() {
		return propertyName;
	}
	
	public void addBindValues(SpiExpressionRequest request) {
		
	    ElPropertyValue prop = getElProp(request);
		if (prop != null){
		    if (prop.isAssocId()){
	            Object[] ids = prop.getAssocOneIdValues(value);
	            if (ids != null){
	                for (int i = 0; i < ids.length; i++) {
	                    request.addBindValue(ids[i]);
	                }
	            }
	            return;
		    }
            ScalarType scalarType = prop.getBeanProperty().getScalarType();
            Object v = scalarType.toJdbcType(value);
            request.addBindValue(v);
		} else {
	        request.addBindValue(value);
		}
	}
	
	public void addSql(SpiExpressionRequest request) {
		ElPropertyValue prop = getElProp(request);
		if (prop != null){
		    if (prop.isAssocId()){
		        String rawExpr = prop.getAssocOneIdExpr(propertyName,type.toString());
		        String parsed = request.parseDeploy(rawExpr);
	            request.append(parsed);
	            return;
		    }
		}
		String parsed = request.parseDeploy(propertyName);
		
        request.append("(").append(parsed).append("").append(type.toString()).append(nextParam(request)).append(")");
	}
	
	
	/**
	 * Based on the type and propertyName.
	 */
	public int queryAutoFetchHash() {
		int hc = LdSimpleExpression.class.getName().hashCode();
		hc = hc * 31 + propertyName.hashCode();
		hc = hc * 31 + type.name().hashCode();
		return hc;
	}
	
	public int queryPlanHash(BeanQueryRequest request) {
		return queryAutoFetchHash();
	}

	public int queryBindHash() {
		return value.hashCode();
	}
	
}