git-svn-id: http://svn.research-infrastructures.eu/public/d4science/gcube/trunk/Common/storagehub-model@167115 82a268e6-3cf1-43bd-a215-b396298e98cf

src/main/java/org/gcube/common/storagehub/model/expressions/Expression.java

@@ -0,0 +1,5 @@
+package org.gcube.common.storagehub.model.expressions;
+
+public interface Expression<T> {
+
+}

src/main/java/org/gcube/common/storagehub/model/expressions/GenericSearchableItem.java

@@ -0,0 +1,25 @@
+package org.gcube.common.storagehub.model.expressions;
+
+import java.util.Calendar;
+
+import org.gcube.common.storagehub.model.items.Item;
+
+public class GenericSearchableItem extends SearchableItem<Item>{
+
+	private static GenericSearchableItem item = new GenericSearchableItem();
+	
+	public static GenericSearchableItem get() {
+		return item;
+	}
+	
+	protected GenericSearchableItem() {
+		super(Item.class);
+	}
+	
+	public final SearchableField<String> title = new SearchableField<String>(String.class, "jcr:title");
+	
+	public final SearchableField<Calendar> lastModification = new SearchableField<Calendar>(Calendar.class, "jcr:lastModified");
+	
+	public final SearchableField<Calendar> creationTime = new SearchableField<Calendar>(Calendar.class, "jcr:created");
+	
+}

src/main/java/org/gcube/common/storagehub/model/expressions/SearchableField.java

@@ -0,0 +1,21 @@
+package org.gcube.common.storagehub.model.expressions;
+
+public final  class SearchableField<T> {
+
+	private Class<T> type;
+	
+	private String name;
+	
+	protected SearchableField(Class<T> _class, String name) {
+		this.type = _class;
+		this.name = name;
+	}
+
+	@Override
+	public String toString() {
+		return "[" + name +"]";
+	}
+		
+	
+	
+}

src/main/java/org/gcube/common/storagehub/model/expressions/SearchableItem.java

@@ -0,0 +1,13 @@
+package org.gcube.common.storagehub.model.expressions;
+
+import org.gcube.common.storagehub.model.items.Item;
+
+public class SearchableItem<T extends Item> {
+
+	Class<T> type;
+	
+	protected SearchableItem(Class<T> _class){
+		this.type = _class;
+	}
+	
+}

src/main/java/org/gcube/common/storagehub/model/expressions/date/Before.java

@@ -0,0 +1,35 @@
+package org.gcube.common.storagehub.model.expressions.date;
+
+import java.text.SimpleDateFormat;
+import java.util.Calendar;
+
+import org.gcube.common.storagehub.model.expressions.Expression;
+import org.gcube.common.storagehub.model.expressions.SearchableField;
+
+public class Before implements Expression<Boolean> {
+	
+	private static final SimpleDateFormat dateFormat = new SimpleDateFormat("dd-MM-yyyy");
+	
+	private SearchableField<Calendar> searchableField;
+	private Calendar value;
+	
+	public Before(SearchableField<Calendar> searchableField, Calendar value) {
+		super();
+		this.searchableField = searchableField;
+		this.value = value;
+	}
+
+	public SearchableField<Calendar> getSearchableField() {
+		return searchableField;
+	}
+
+	public Calendar getValue() {
+		return value;
+	}
+
+	@Override
+	public String toString() {
+		return "Before [searchableField=" + searchableField + ", value=" + dateFormat.format(value.getTime()) + "]";
+	}
+	
+}

src/main/java/org/gcube/common/storagehub/model/expressions/logical/And.java

@@ -0,0 +1,26 @@
+package org.gcube.common.storagehub.model.expressions.logical;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.gcube.common.storagehub.model.expressions.Expression;
+
+public class And implements Expression<Boolean>{
+
+	List<Expression<Boolean>> expressions = new ArrayList<>();
+	
+	public And(Expression<Boolean> first , Expression<Boolean> second , Expression<Boolean> ... others ) {
+		expressions = Arrays.asList(first, second);
+		if (others !=null && others.length>0)
+			expressions.addAll(Arrays.asList(others));
+	}
+
+	@Override
+	public String toString() {
+		return "And [" + expressions.stream().map(Object::toString).collect(Collectors.joining(",")).toString() + "]";
+	}
+	
+	
+}

src/main/java/org/gcube/common/storagehub/model/expressions/logical/Or.java

@@ -0,0 +1,24 @@
+package org.gcube.common.storagehub.model.expressions.logical;
+
+import java.util.ArrayList;
+import java.util.Arrays;
+import java.util.List;
+import java.util.stream.Collectors;
+
+import org.gcube.common.storagehub.model.expressions.Expression;
+
+public class Or implements Expression<Boolean>{
+
+		List<Expression<Boolean>> expressions = new ArrayList<>();
+		
+		public Or(Expression<Boolean> first , Expression<Boolean> second , Expression<Boolean> ... others ) {
+			expressions = Arrays.asList(first, second);
+			if (others !=null && others.length>0)
+				expressions.addAll(Arrays.asList(others));
+		}
+
+		@Override
+		public String toString() {
+			return "Or [" + expressions.stream().map(Object::toString).collect(Collectors.joining(",")).toString() + "]";
+		}
+}

src/main/java/org/gcube/common/storagehub/model/expressions/text/Contains.java

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+package org.gcube.common.storagehub.model.expressions.text;
+
+
+import org.gcube.common.storagehub.model.expressions.Expression;
+import org.gcube.common.storagehub.model.expressions.SearchableField;
+
+public class Contains implements Expression<Boolean> {
+
+	private SearchableField<String> searchableField;
+	private String value;
+	
+	public Contains(SearchableField<String> searchableField, String value) {
+		super();
+		this.searchableField = searchableField;
+		this.value = value;
+	}
+
+	public SearchableField<String> getSearchableField() {
+		return searchableField;
+	}
+
+	public String getValue() {
+		return value;
+	}
+
+	@Override
+	public String toString() {
+		return "Contains [searchableField=" + searchableField + ", value=" + value + "]";
+	}
+	
+	
+	
+}

src/test/java/org/gcube/storagehub/model/expressions/ExpressionsTest.java

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+package org.gcube.storagehub.model.expressions;
+
+import org.gcube.common.storagehub.model.expressions.Expression;
+import org.gcube.common.storagehub.model.expressions.GenericSearchableItem;
+import org.gcube.common.storagehub.model.expressions.text.Contains;
+import org.junit.Test;
+
+public class ExpressionsTest {
+
+	
+	@Test
+	public void contains() {
+		Expression<Boolean> expr = new Contains(GenericSearchableItem.get().title, "Data");
+		System.out.println( expr.toString());
+		
+	}
+	
+}